Summary

The following summary highlights information contained elsewhere in this prospectus. It does not contain all the information you need to consider in making your investment decision. Before making an investment decision, you should read this entire prospectus carefully and should consider, among other things, the matters set forth under “Risk factors,” “Selected historical combined financial data,” “Management’s discussion and analysis of financial condition and results of operations” and the financial statements and related notes thereto appearing elsewhere in this prospectus. Unless otherwise specifically noted, (i) all operating and similar data for our business or our Sponsor’s business included in this prospectus is as of March 31, 2015 and (ii) all references to MW or GW in relation to our initial portfolio (or our portfolio of call right or right of first offer projects) represent the rated generation capacity at standard test conditions of a project multiplied by our percentage of economic ownership (or the ownership we may acquire) of such project, or “net capacity,” as of the date of this prospectus.

About TerraForm Global, Inc.

Overview

We are a high-growth, globally diversified renewable energy company that owns long-term contracted wind, solar and hydro-electric power plants. Our business objective is to increase our dividend to stockholders by continuing to acquire, from SunEdison and unaffiliated third parties, clean power generation assets that produce high-quality, long-term contracted cash flows, primarily by serving utility and commercial customers with strong credit profiles. Our initial target markets will be China, Brazil, India, South Africa, Honduras, Costa Rica, Peru, Uruguay, Malaysia and Thailand. Several of these markets, including China, Brazil and India, are expected to be among the fastest growing solar and wind energy markets worldwide from 2015 to 2020 in terms of annual installations and capital investment in renewable energy projects.

Our initial portfolio consists of solar projects located in China, India, South Africa, Honduras, Uruguay, Malaysia and Thailand, wind projects located in China, Brazil, India, South Africa, Honduras, Costa Rica and Nicaragua and hydro-electric projects located in Brazil and Peru. These projects have a total combined capacity of 1,406.1 MW, and we forecast that they will generate an aggregate of $231.5 million of cash available for distribution for the year ending December 31, 2016. Our initial portfolio includes 921.7 MW of projects that we expect to acquire from third parties concurrently with the completion of this offering or, in certain limited cases, during the remainder of 2015. All of these projects are supported by power purchase agreements, or “PPAs,” with creditworthy counterparties. The PPAs for projects included in our initial portfolio have a weighted average remaining life of 19 years as of March 31, 2015.

We have a well diversified project portfolio, across both geographies and renewable energy technologies, which we believe enables us to generate consistent quarterly cash flows. For example, projects in our initial portfolio located in any single country are not expected to represent more than 30% of our projected cash available for distribution for the year ending December 31, 2016. We intend to rapidly expand and diversify our initial project portfolio by acquiring utility-scale solar and commercial and industrial distributed solar, wind and hydro-electric power generation assets located in our initial target markets, which we expect will also have long-term PPAs with creditworthy counterparties. We expect to pursue opportunities in other high-growth emerging markets that have characteristics similar to those of our initial target markets, with a focus on markets located in Asia (except Japan), Africa, Latin America and the Middle East. Over time, we may selectively acquire other clean power generation assets, including natural gas, biomass and hybrid energy and storage solutions, as well as transmission lines, that enable us to provide power on a 24/7 basis, as well as to add solar generation assets serving residential and commercial building customers.

Portfolio growth

Call and ROFO rights

We believe we will be able to rapidly expand our initial project portfolio as a result of the significant project acquisition call rights and rights of first offer, or “ROFO rights,” that we have with our Sponsor and the project acquisition call rights and ROFO rights we expect to have with third-party developers of clean power generation assets. Upon completion of this offering, we will have call rights and third-party ROFO rights with respect to identified projects that have an aggregate of 3,827.2 MW capacity.

We will enter into a support agreement with our Sponsor immediately prior to the completion of this offering, pursuant to which our Sponsor will agree to offer us additional qualifying projects through the fifth anniversary of the completion of this offering that are projected to generate an aggregate of at least $1.4 billion of cash available for distribution during their respective first twelve months of commercial operations. We expect that our Sponsor will continue to provide us with the opportunity to acquire additional qualifying projects after it has satisfied its minimum commitment under the support agreement in order to maximize the value of its equity ownership and incentive distribution rights. The support agreement with our Sponsor will also grant us ROFO rights with respect to additional clean energy projects that our Sponsor elects to sell or otherwise transfer and that are located in our initial target markets or other emerging markets that we mutually agree upon.

In addition, we have an agreement with Renova Energia S.A., the largest renewable energy company in Brazil, or “Renova,” pursuant to which we have ROFO rights with respect to its operating, contracted and development pipeline, or the “Renova ROFO Projects.”

Third-party acquisitions

We also intend to rapidly expand our project portfolio by acquiring renewable energy projects from third parties. As discussed below, our Sponsor and its operating subsidiary, TerraForm Power, have a strong record of third-party project and corporate acquisitions. We expect that our initial portfolio will include 1.1 GW of projects acquired from third parties in nine acquisitions. We expect to continue to have significant opportunities to acquire projects from third-party developers, enabling us to expand our project portfolio through acquisitions for the foreseeable future.

Our Sponsor

Our U.S.-based Sponsor is the largest globally diversified developer of wind and solar energy projects in the world and has been one of the top three developers and installers of solar energy facilities in the world in each of the past two years based on megawatts installed. As of March 31, 2015, our Sponsor had a 7.5 GW pipeline of development-stage solar and wind projects, including 1.7 GW in our initial and future target markets, and approximately 4.9 GW of self-developed and third-party developed solar and wind power generation assets under management. Our Sponsor has developed over 1,300 solar and wind projects in 20 countries and has completed all of the projects on which it has commenced construction, including over 140 projects in our initial target markets. Our Sponsor has over 1,900 development and operations employees, over 700 of which service our initial and future target markets. We believe we are well positioned to capitalize on favorable market trends in the renewable power generation segment due to our relationship with our Sponsor, which has an established presence in each of our initial target markets, a strong asset development pipeline and acquisition track record, significant project financing experience and asset management and operational expertise.

Yieldco experience

Our Sponsor has significant experience in acquiring, financing and operating clean power generation assets through a publicly listed dividend-oriented company. We will be the second yieldco vehicle to launch with our Sponsor’s support. Our Sponsor’s subsidiary, TerraForm Power, which owns and operates clean power assets located in the United States and other select jurisdictions, completed its initial public offering in July 2014. With our Sponsor’s support, TerraForm Power has raised approximately $3.9 billion in acquisition and permanent financing to pursue acquisitions of renewable energy projects totaling 1,703.0 MW as of May 1, 2015. We intend to capitalize on our Sponsor’s experience in successfully launching and supporting TerraForm Power.

M&A expertise

During the year ended December 31, 2014, our Sponsor completed 32 corporate and project acquisitions worldwide, which included operating projects with an aggregate capacity of 1.5 GW. On January 29, 2015, our Sponsor completed the purchase of First Wind’s development platform, pipeline and projects in development, including over 1.6 GW of wind and solar generation assets under development, and increased its assets under management by 1.5 GW. Our Sponsor: (i) will acquire Latin America Power Holding, B.V.’s, or “LAP’s,” asset management platform, its operation and maintenance personnel expertise in Peru and certain rights with respect to a pipeline of Peruvian hydro-electric development assets and (ii) has acquired an asset management platform in China consisting of operations and maintenance personnel and management expertise from Honiton Energy Caymans, Ltd., or “Honiton.” We expect to continue to leverage our Sponsor’s significant development expertise, project pipeline and third-party acquisition track record. For example, we have completed or expect to complete in connection with the closing of this offering or, in certain limited cases, during the remainder of 2015, nine separate acquisitions representing 1.1 GW in the aggregate of projects located across multiple geographies that utilize a variety of renewable energy technologies.

Market opportunity

The global renewable power generation segment is large and growing rapidly due to significant increases in energy demand, decreasing cost of renewable energy, the emergence in various energy markets of “grid parity,” which is the point at which renewable energy sources can generate electricity at a cost equal to or lower than prevailing retail electricity prices, and strong social and political support for renewable energy, among other factors. We expect the cost to produce energy from conventional sources will continue to rise, owing to the required investments in transmission and distribution infrastructure and increasing regulatory costs relating to conventional energy sources. We believe accelerating industrialization, an expanding middle class and the need to develop energy grid infrastructure will continue to drive demand in our initial target markets for the foreseeable future. We believe that solar and wind energy systems are particularly attractive in addressing the undersupply of electrical generation capacity in emerging markets due to their relative ease and speed of installation, scalability and, with respect to solar energy systems, their ability to be located near the customer, thereby reducing the customer’s transmission and distribution costs. In addition, we believe that hydro-electric energy represents a significant acquisition opportunity for us because it is a proven renewable technology with significant installed capacity of more than 412 GW in our initial target markets.

The global renewables market is projected to require more than $2.1 trillion of investment in capacity expansions over the period from 2015 through 2020, of which approximately 35% of such capacity expansion is expected to occur in our initial target markets. Of this total expected investment, more than $723 billion and $664 billion is expected to be in global solar and wind generation capacity expansions, respectively. Our initial

target markets are expected to account for 48% and 41% of global wind and solar capacity expansions, respectively. In addition, more than $253 billion is expected to be invested globally in hydro-electric generation assets through 2016, of which our initial target markets are expected to account for 27% of such capacity expansion.

The installed base of renewable energy generation capacity in our initial target markets is greater than 622 GW, including more than 39 GW of solar capacity, 138 GW of wind capacity and 412 GW of hydro-electric capacity. Driven by the increasing cost competitiveness of wind and solar energy, accelerating industrialization, an expanding middle class and attractive regulatory policies that incentivize renewable energy investments, we expect substantial growth in installed renewable energy capacity over the next several years. Solar energy capacity additions are expected to total over 179 GW between 2014 and 2020 in our initial target markets and are expected to grow at a compound annual growth rate, or “CAGR,” of 32% between 2014 and 2020 in our initial target markets. Over the same period, wind energy capacity additions are expected to total over 188 GW in our initial target markets and are expected to grow at a CAGR of 14% between 2014 and 2020, in our initial target markets.

Sponsor Support Agreement

Immediately prior to the completion of this offering, we will enter into a project support agreement, or the “Support Agreement,” with our Sponsor, which will require our Sponsor to offer us additional qualifying projects from its development pipeline through the fifth anniversary of the completion of this offering that are projected to generate an aggregate of at least $1.4 billion of cash available for distribution during the first twelve months following the qualifying projects’ respective commercial operation dates, or “Projected FTM CAFD.” We refer to these projects as the “Call Right Projects.” If the amount of Projected FTM CAFD of the projects we acquire under the Support Agreement through the fifth anniversary of the completion of this offering is less than $1.4 billion, our Sponsor has agreed that it will continue to offer us sufficient, qualifying Call Right Projects from its pipeline until the total aggregate Projected FTM CAFD commitment has been satisfied.

In addition, the Support Agreement grants us a right of first offer with respect to any clean energy projects (other than Call Right Projects) that our Sponsor elects to sell or otherwise transfer during the six-year period following the completion of this offering and that are located in our initial target markets and other emerging markets that we mutually agree upon. We refer to these projects as the “SunEdison ROFO Projects.” The Support Agreement does not identify the SunEdison ROFO Projects since our Sponsor will not be obligated to sell any project that would constitute a SunEdison ROFO Project. In the event that our Sponsor elects to sell such assets, it will not be required to accept any offer we make to acquire any SunEdison ROFO Project and, following the completion of good faith negotiations with us, our Sponsor may choose to sell such assets to a third party or not to sell the assets at all.

Cash dividend policy

We intend to use a portion of the cash available for distribution, or “CAFD,” generated by our project portfolio to pay regular quarterly cash dividends to holders of our Class A common stock. After determining an appropriate reserve for our working capital needs and the prudent conduct of our business, our objective is to pay our Class A common stockholders a consistent and growing cash dividend that is sustainable on a long-term basis. Based on our forecast and the related assumptions and our intention to acquire assets with characteristics similar to those in our initial portfolio, we expect to grow our CAFD and increase our quarterly cash dividends over time. Our initial quarterly dividend will be set at $         per share of Class A common stock,

or $         per share on an annualized basis. We established our initial quarterly dividend level based upon a targeted payout ratio by Global LLC of approximately 85% of projected annual CAFD. This dividend payout ratio is not prescribed by our governing documents and is subject to change based on the discretion of our board of directors. We expect our dividend payout ratio to vary as we intend to maintain or increase our dividend despite variations in our CAFD from period to period. In addition, we may adjust our dividend payout ratio from time to time based on changes in our portfolio in terms of size and scope, working capital and capital expenditure requirements, operating expenses and market conditions, including acquisition opportunities and our ability to borrow funds and access capital markets.

We intend to target a 20% CAGR in dividends per share over the three-year period following the completion of this offering. This target is based on, and supported by, our Sponsor’s $1.4 billion aggregate Projected FTM CAFD commitment to us under the Support Agreement and our Sponsor’s track record of successful project acquisitions from unaffiliated third parties, which will provide us the opportunity to grow our CAFD following this offering. While we believe our targeted growth rate is reasonable for the emerging markets on which we focus, it is based on estimates and assumptions regarding a number of factors, many of which are beyond our control, including the market value of projects we acquire from third parties, the purchase price we pay for acquired projects, our cost of capital, the ratio of debt to equity with respect to the financing of acquisitions, whether we have the financial resources to acquire the Call Right Projects and the timing of such acquisitions. Prospective investors should read “Cash dividend policy,” including our financial forecast and related assumptions, and “Risk factors,” including the risks and uncertainties related to our forecasted results, completion of construction of projects and acquisition opportunities, in their entirety.

We intend to cause Global LLC to distribute a portion of its CAFD to the holders of its units (including us as the sole holder of the Class A units and our Sponsor as the sole holder of the Class B units) pro rata, based on the number of units held, subject to the incentive distribution rights, or “IDRs,” held by our Sponsor that are described below. However, the Class B units held by our Sponsor are deemed “subordinated” because for a period of time, referred to as the “Subordination Period,” the Class B units will not be entitled to receive any distributions from Global LLC until the Class A units and Class B1 units (which may be issued upon reset of IDR target distribution levels or in connection with acquisitions from our Sponsor or third parties) have received quarterly distributions in an amount equal to $         per unit, or the “Minimum Quarterly Distribution,” plus any arrearages in the payment of the Minimum Quarterly Distribution from prior quarters. The practical effect of the subordination of the Class B units is to increase the likelihood that during the Subordination Period there will be sufficient CAFD to pay the Minimum Quarterly Distribution on the Class A units and Class B1 units (if any). For a description of the IDRs and the Subordination Period, see “Certain relationships and related party transactions—Amended and Restated Operating Agreement of Global LLC—Distributions.”

Our initial portfolio includes 921.7 MW of projects that we expect to acquire from third parties concurrently with or, in certain limited cases, during the remainder of 2015, which we refer to herein as the “Pending Acquisitions.” The closing of this offering is not conditioned on the consummation of the Pending Acquisitions. Our initial portfolio also includes 128.4 MW of projects that have not reached their commercial operation dates, or “CODs” to be contributed to us by our Sponsor once such projects reach their respective COD, or the “Contributed Construction Projects.” The Contributed Construction Projects are expected to achieve their CODs during the remainder of 2015. To reduce the effect on the Class A units of delays (if any) in the closing of the Pending Acquisitions or the completion of the Contributed Construction Projects, our Sponsor has agreed to forego distributions under certain circumstances. In particular, our Sponsor has agreed to forego any distributions on its Class B units with respect to the third and fourth quarters of 2015 (i.e., distributions declared on or prior to March 31, 2016), and thereafter to forego distributions on its Class B units until the end

of the Distribution Forbearance Period to the extent the holders of the Class A units and Class B1 units have not received distributions in an amount equal to the Minimum Quarterly Distribution plus any arrearages in the payment of Minimum Quarterly Distributions from prior quarters.

For a description of the IDRs, the Subordination Period and the Distribution Forbearance Period, including the definitions of Subordination Period, As Delivered CAFD, Closed Acquisition CAFD, CAFD Forbearance Threshold and Distribution Forbearance Period, see “Certain relationships and related party transactions—Amended and Restated Operating Agreement of Global LLC—Distributions.”

Purpose of TerraForm Global, Inc.

We intend to create value for the holders of our Class A common stock by achieving the following objectives:

Our initial portfolio, the Call Right Projects and ROFO Projects

The following table provides an overview of the projects that we expect will comprise our initial portfolio. We expect to acquire certain of the projects included in our initial portfolio through the consummation of the Pending Acquisitions. We anticipate that substantially all of the Pending Acquisitions will be completed concurrently with the completion of this offering. This offering is not conditioned on the concurrent closing of all of the Pending Acquisitions. As of the date of this prospectus, we have not yet received all of the governmental, regulatory or third-party approvals or consents required to complete all of these acquisitions, and the timing for those approvals is outside of our control. As a result, we cannot assure you that all of the Pending Acquisitions will be consummated on the timetable currently contemplated. For more information about the projects included in our initial portfolio, see “Business—Our portfolio—Our initial portfolio, the Call Right Projects and ROFO Projects.”

The following charts provide an overview of our initial project portfolio by geography and technology:

The projects in our initial portfolio, as well as the call right projects discussed below, were selected because they are located in our initial target markets and have or will have PPAs or other offtake arrangements with creditworthy counterparties that we believe will provide sustainable and predictable cash flows to fund the regular quarterly cash dividends that we intend to pay to holders of our Class A common stock. All of the projects we have included in our initial portfolio have already reached their COD, with the exception of seven projects representing an aggregate of 236.7 MW, each of which is expected to reach COD by the end of 2015. Our initial portfolio includes Pending Acquisitions representing 921.7 MW that we expect to close concurrently with, or in certain limited cases, during the remainder of 2015. We cannot assure you that all of the Pending Acquisitions will be consummated at the closing of this offering, and the closing of this offering is not conditioned on the consummation of the Pending Acquisitions. Therefore, the size of our initial portfolio and the corresponding forecasted CAFD at the closing of this offering may be smaller than the portfolio and forecasted CAFD presented in this prospectus. See “Risk factors—Risks related to our business—There can be no assurance that the Pending Acquisitions will be consummated on the timetable currently anticipated, and the closing of this offering is not conditioned on the consummation of these acquisitions.”

We will have the right to acquire the Call Right Projects set forth in the table below at prices to be determined by good faith negotiations between us and our Sponsor. The price for each of these Call Right Projects will be the fair market value of such project. The Support Agreement provides that we will work with our Sponsor to mutually agree on the fair market value, but if we are unable to, we and our Sponsor will engage a third-party advisor to determine the fair market value, after which we have the right (but not the obligation) to acquire such Call Right Project. Until the price for such Call Right Project is mutually agreed to by us and our Sponsor, should our Sponsor receive a bona fide offer for a Call Right Project from a third party, we will have the right to match any price offered by such third party and acquire such Call Right Project on the terms our Sponsor could obtain from the third party. After the price for a Call Right Project has been agreed upon and until the total aggregate Projected FTM CAFD commitment has been satisfied, our Sponsor may not market, offer or sell that

Call Right Project to any third party without our consent. The Support Agreement will further provide that our Sponsor is required to offer us additional qualifying Call Right Projects from its pipeline on a quarterly basis until we have acquired projects under the Support Agreement that have the specified minimum amount of Projected FTM CAFD covered by the Support Agreement. We cannot assure you that we will be offered these Call Right Projects on terms that are favorable to us. See “Certain relationships and related party transactions—Project Support Agreement” for additional information.

We recently executed a call right agreement with a third-party developer pursuant to which we have the right to purchase, at our election, one solar project located in China with an aggregate capacity of 20.0 MW, for a specified period following such project’s commercial operations date. This project is expected to achieve COD in 2015. We refer to this project as our “Third-Party Call Right Project.”

In connection with the Renova Transaction, Renova has granted us a right of first offer with respect to any sale or transfer of any development or operating project of Renova for the 25-year period after the date of our agreement with Renova. Prior to selling or transferring any Renova ROFO Project, Renova has agreed to provide us with written notice and to negotiate with us in good faith, for a period of 45 days, regarding the terms and conditions of a purchase by us of the applicable Renova ROFO Project.

The following table provides an overview of our currently identified Call Right Projects, Third-Party Call Right Project and Renova ROFO Projects:

The following charts provide an overview of our currently identified Call Right Projects, Third-Party Call Right Project and Renova ROFO Projects by geography and technology:

Industry overview

We expect to benefit from continued high growth in clean energy demand across the utility, commercial and residential customer segments. We believe the solar and wind segments of the clean power generation industry are particularly attractive, as declining solar and wind electricity costs and increasing grid electricity prices are trending towards grid parity in emerging markets. We also believe the hydro-electric segment of the clean power generation industry represents an attractive market given its long-term contracts with creditworthy counterparties, significant installed base, extended useful life and prospective acquisition opportunities.

Solar energy benefits from highly predictable energy generation, the absence of fuel costs and proven technology. In addition, solar generating assets have the potential to be located at a customer’s site, which reduces the customer’s transmission and distribution costs. Finally, solar energy generation benefits from governmental, public and private support due to the environmentally friendly attributes of solar energy.

The increasing adoption of wind energy across the globe relative to other power generation technologies is expected to be driven by its increasing cost competitiveness, broad resource availability, well established technology, non-reliance on water and ancillary societal benefits, such as job creation and energy security.

Hydro-electric power generation is a well established clean energy technology. Its multiple methods of generation, such as conventional dam, pumped storage and run-of-river, have led to its diverse use in renewable power generation from large-scale (greater than or equal to 50 MW rated capacity) to small-scale (less than 50 MW rated capacity) facilities.

The following charts summarize anticipated growth in our initial target markets:

Source: Bloomberg New Energy Finance

Cash available for distribution

The table below summarizes our estimated cash available for distribution per share of Class A common stock for the twelve months ending June 30, 2016 and December 31, 2016 based on our forecasts included elsewhere in this prospectus:

We define “cash available for distribution,” or “CAFD,” as net cash provided by the operating activities of Global LLC as adjusted for certain other cash flow items that we associate with our operations. It is a non-GAAP measure of our ability to generate cash to service our dividends. As calculated in this prospectus, cash available for distribution represents net cash provided by (used in) operating activities of Global LLC: (i) plus or minus changes in assets and liabilities as reflected on our statements of cash flows, (ii) minus deposits into (or plus withdrawals from) restricted cash accounts required by project financing arrangements to the extent they decrease (or increase) cash provided by operating activities, (iii) minus cash distributions paid to non-controlling interests in our projects, if any, (iv) minus scheduled project-level and other debt service payments and repayments in accordance with the related borrowing arrangements, to the extent they are paid from operating cash flows during a period, (v) minus non-expansionary capital expenditures, if any, to the extent they are paid from operating cash flows during a period, (vi) plus cash contributions from our Sponsor pursuant to the Interest Payment Agreement, (vii) plus operating costs and expenses paid by our Sponsor pursuant to the Management Services Agreement to the extent such costs or expenses exceed the fee payable by us pursuant to such agreement but otherwise reduce our net cash provided by operating activities and (viii) plus or minus operating items as necessary to present the cash flows we deem representative of our core business operations, with the approval of the audit committee. Our intention is to cause Global LLC to distribute a portion of the CAFD generated by our project portfolio to its members each quarter, after appropriate reserves for our working capital needs and the prudent conduct of our business. For further discussion of cash available for distribution, including a reconciliation of net cash provided by (used in) operating activities to cash available for distribution and a discussion of its limitations, see footnote (2) under the heading “—Summary historical and pro forma financial data” elsewhere in this prospectus.

Our business strategy

Our primary business strategy is to increase the cash dividends we pay to the holders of our Class A common stock over time. Our plan for executing this strategy includes the following:

Focus on long-term contracted clean power generation assets.    All projects included in our initial portfolio, together with any call right project that we acquire, will have a PPA with a creditworthy counterparty or be subject to a similar offtake arrangement such as a feed-in tariff program. We intend to focus on owning and operating long-term contracted clean power generation assets with proven technologies, low operating risks and stable cash flows consistent with our initial portfolio. We believe industry trends will support significant growth opportunities for long-term contracted power in the clean power generation segment as various emerging markets continue to rapidly grow their electricity usage and approach grid parity.

Grow our business through acquisitions of long-term contracted operating assets.    We intend to acquire additional long-term contracted clean power generation assets from our Sponsor and unaffiliated third parties to increase our CAFD. The Support Agreement establishes: (i) a minimum commitment from our Sponsor to provide us with $1.4 billion of Projected FTM CAFD through the fifth anniversary of the completion of this offering, which will be satisfied either through (x) the option to acquire the identified Call Right Projects, which currently represent an aggregate capacity of approximately 1,637.4 MW, or (y) the option to acquire additional projects from our Sponsor’s development pipeline that will in the future be designated as Call Right Projects; and (ii) a right of first offer on the SunEdison ROFO Projects. We also have and expect to enter into additional call rights agreements with third parties. In addition, we have a right of first offer with respect to the Renova ROFO Projects. Given the strong growth trends in our initial target markets, we also expect to have significant opportunities to acquire other clean power generation assets from third-party developers, independent power

producers and financial investors. We believe our acquisition strategies, based on an extensive knowledge of the market, third-party relationships, operating expertise and access to capital, will enhance our ability to grow and generate CAFD and provide us with a competitive advantage in acquiring new assets.

Attractive, high-growth asset class.    We intend to initially focus on the solar and wind energy segments because we believe they are currently the fastest growing segments of the clean power generation industry globally and offer attractive opportunities to own assets and deploy long-term capital due to the predictability of their cash flows, and the hydro-electric energy segment because we believe its significant market size presents numerous investment opportunities. Also, we believe the solar, wind and hydro-electric energy segments are attractive because there is no associated fuel cost risk, their associated technologies have become highly reliable and, based on the experience of our Sponsor, require low operational and maintenance expenditures and a low level of interaction from managers as compared to conventional energy assets. Solar, wind and hydro-electric projects also have an expected life which can exceed 30 years. In addition, the projects in our initial portfolio generally operate under long-term PPAs with terms of up to 30 years.

Focus on emerging markets with favorable investment attributes.    While our current focus is on solar, wind and hydro-electric energy generation assets in our initial target markets, we will selectively consider acquisitions of clean power generation assets in other geographies. We expect to pursue opportunities in other high-growth emerging markets that have characteristics similar to those of our initial target markets, with a focus on other markets located in Asia (except Japan), Africa, Latin America and the Middle East. We believe there will be ample opportunities to acquire high-quality contracted clean power generation assets in high-growth emerging markets with these attributes.

Technology-neutral clean power platform.    We intend to expand upon our Sponsor’s technology-neutral platform. Our Sponsor’s platform enables the development, acquisition, maintenance and operation of renewable energy generation assets across various renewable energy technologies, including solar, wind and hydro-electric. This technology-neutral platform enables our open architecture approach, which provides us with the ability to evaluate a broad range of development partnerships and acquisition opportunities and support the rapid growth of our portfolio.

Maintain sound financial practices.    We intend to maintain our commitment to disciplined financial analysis and a balanced capital structure. Our financial practices will include: (i) a risk and credit policy focused on transacting with creditworthy counterparties; (ii) a financing policy focused on achieving an optimal capital structure through various capital formation alternatives to minimize interest rates, refinancing risks and tax withholdings; (iii) utilizing derivative financial instruments to minimize our net exposure to currency fluctuations; and (iv) a dividend policy that is based on distributing the CAFD generated by our project portfolio (after deducting appropriate reserves for our working capital needs and the prudent conduct of our business). Our initial dividend was established based on our targeted payout ratio of approximately 85% of projected CAFD. See “Cash dividend policy.”

Our competitive strengths

We believe our key competitive strengths include:

Diversity.    Our initial project portfolio is well diversified in terms of geography, market segment, counterparty, and types of renewable energy technology. We serve utility, commercial, industrial and governmental customers and may serve residential business lines in the future. We have projects located across 11 countries and four continents. Projects in our initial portfolio located in any single country are not expected to represent more than 30% of our projected CAFD for the year ending December 31, 2016, thereby reducing our operating

risk profile and reliance on any single market or segment. We utilize several renewable energy technologies, the production profiles of which complement one another, which we believe enables us to generate consistent cash flow. We believe our diverse customer base, geographic presence and technology improves our business development opportunities by enhancing our industry relationships, reputation and understanding of regional power market dynamics.

Portfolio growth opportunities.    We believe we will be able to rapidly expand our initial project portfolio through several channels. We have significant project acquisition call rights and ROFO rights with our Sponsor and the Renova ROFO Projects. We also expect to have call rights with third-party developers of clean power generation assets, including the Third-Party Call Right Project. We and our Sponsor have strategically located project origination teams, along with relationships with regionally-focused clean power generation companies, that we believe will facilitate the growth of our project pipeline. We expect to have significant opportunities to expand our project portfolio through additional third-party acquisitions for the foreseeable future.

Stable, high-quality cash flows.    Our initial portfolio of projects, together with the call right projects that we acquire, will provide us with a stable, predictable cash flow profile. We sell the electricity generated by our projects under PPAs or similar offtake arrangements, such as feed-in tariff programs, with creditworthy counterparties. As of March 31, 2015, the weighted average (based on megawatts) remaining life of our PPAs was 19 years. All of our projects have highly predictable operating costs, in large part due to solar, wind and hydro-electric facilities having no fuel cost and utilizing reliable technology. We intend to utilize foreign exchange and foreign tax strategies in an effort to mitigate the impact of cross-border costs. Finally, based on our initial portfolio of projects, we do not expect to pay significant U.S. federal income taxes in the near term.

Relationship with SunEdison.    We believe our relationship with our Sponsor provides us with significant benefits, including the following:

Access to and experience in mature capital markets.    As a publicly listed company in the United States, we will have access to a broad investor base with a competitive source of capital. We believe access to this market will accelerate our long-term growth and acquisition strategy and provide us with a competitive advantage over regional renewable energy developers in our target markets where we may be competing to acquire assets or development rights. We believe that both our Sponsor and TerraForm Power have benefited from their status as publicly listed companies in the United States. To date, our Sponsor and TerraForm Power have raised an aggregate of $8.1 billion since January 1, 2014, providing them with the capital necessary to acquire projects and development platforms to grow TerraForm Power’s portfolio of operational renewable energy projects in mature markets. In addition, we believe that a public listing in the United States will provide transparency to investors regarding our operations that will help us attract and retain capital.

Long-term contracted portfolio.    We benefit from a portfolio of relatively newly constructed assets, with most of the projects in our initial portfolio having achieved COD within the past five years or expected to reach COD by the end of 2015. The PPAs for projects included in our initial portfolio have a weighted average remaining life of 19 years as of March 31, 2015. The projects in our initial portfolio and the call right projects utilize proven and reliable technologies provided by leading equipment manufacturers and, as a result, we expect to achieve high project availability and predictable maintenance capital expenditures.

Experienced management team.    Under the Management Services Agreement, our Sponsor has committed to provide us with a team of experienced professionals to serve as our executive officers and other key officers. We expect that certain of these professionals will provide such services to us on a dedicated basis. Our officers have considerable experience in developing, acquiring and operating clean power generation assets, with an average of over five years of experience in the sector. Mr. Domenech, our Chief Executive Officer, and his team have been successful in expanding TerraForm Power’s project portfolio from 807.7 MW as of its initial public offering in July 2014 to 1,703.0 MW as of May 1, 2015, an increase of 111%. Our management team will also have access to the other significant management resources of our Sponsor to support the operational, financial, legal and regulatory aspects of our business.

Agreements with our Sponsor

We will enter into the agreements described below with our Sponsor immediately prior to the completion of this offering. For a more comprehensive discussion of these agreements, see “Certain relationships and related party transactions.” For a discussion of the risks related to our relationship with our Sponsor, see “Risk factors—Risks related to our relationship with our Sponsor.” In addition, we will amend Global LLC’s operating agreement to provide for Class A units, Class B units and Class B1 units and will convert our Sponsor’s interest in Global’s common equity into Global LLC Class B units and issue the IDRs to our Sponsor. As a result of holding Class B units and IDRs, subject to certain limitations during the Subordination Period and the Distribution Forbearance Period, our Sponsor will be entitled to share in distributions from Global LLC to its unit holders. See “Certain relationships and related party transactions—Amended and Restated Operating Agreement of Global LLC.”

Support Agreement.    Pursuant to the Support Agreement, our Sponsor will provide us with the right, but not the obligation, to purchase for cash certain clean energy projects from its project pipeline with aggregate Projected FTM CAFD of at least $1.4 billion through the fifth anniversary of the completion of this offering. If the amount of Projected FTM CAFD of the projects we acquire under the Support Agreement through the fifth anniversary of the completion of this offering is less than $1.4 billion, our Sponsor has agreed that it will continue to offer us sufficient Call Right Projects until the total aggregate Projected FTM CAFD commitment has been satisfied. We have agreed to pay cash for each Call Right Project that we acquire, unless we and our Sponsor otherwise mutually agree. The Support Agreement provides that we will work with our Sponsor to mutually agree on the fair market value of each Call Right Project within a reasonable time after it is added to the list of identified Call Right Projects. If we are unable to agree on the fair market value, we and our Sponsor will engage a third-party advisor to determine the fair market value, after which we will have the right (but not the obligation) to acquire such Call Right Project. Until we provide our Sponsor with written notice of exercise of our right to purchase a Call Right Project, should our Sponsor receive a bona fide offer for a Call Right Project from a third party, our Sponsor must give us notice of such offer in reasonable detail and we will have the right to acquire such project on terms substantially similar to those our Sponsor could have obtained from such third party, but at a price no less than the price specified in the third-party offer. After the price for a Call Right Project has been agreed upon and until the total aggregate Projected FTM CAFD commitment has been satisfied, our Sponsor may not market, offer or sell that Call Right Project to any third party without our consent.

The Call Right Projects are to be offered to us on a quarterly basis until we have acquired projects under the Support Agreement that have the specified minimum amount of Projected FTM CAFD for the period covered by the Support Agreement. These Call Right Projects must satisfy certain criteria. In addition, our Sponsor may remove a project then under construction from the Call Right Project list if, in its reasonable discretion, the

project is unlikely to be successfully completed or if we have not exercised our call right with respect to an operating Call Right Project within twelve months of it being included in the Support Agreement. In that case, the Sponsor will be required to replace such project with one or more additional reasonably equivalent projects that have a similar economic profile. Generally, we may exercise our call right with respect to any pre-COD Call Right Project identified in the Support Agreement at any time until 30 days prior to COD for such project, and with respect to any operating Call Right Project at any time within twelve months of it being added to the list. If we exercise our option to purchase a project under the Support Agreement and reach a mutually agreed upon price, our Sponsor is required to sell us that project on such date as we may agree or, in the case of a project under construction, on or about the date of its COD.

In addition, our Sponsor has agreed to grant us a right of first offer on any of the SunEdison ROFO Projects that it determines to sell or otherwise transfer during the six-year period following the completion of this offering. Under the terms of the Support Agreement, our Sponsor will agree to negotiate with us in good faith, for a period of 20 days, to reach an agreement with respect to any proposed sale of a SunEdison ROFO Project for which we have exercised our right of first offer before it may sell or otherwise transfer such SunEdison ROFO Project to a third party. However, our Sponsor will not be obligated to sell any of the SunEdison ROFO Projects and, as a result, we do not know when, if ever, any SunEdison ROFO Projects will be offered to us. In addition, in the event that our Sponsor elects to sell SunEdison ROFO Projects, it will not be required to accept any offer we make and may choose to sell the assets to a third party or not sell the assets at all.

Under our related party transaction policy, the prior approval of our Corporate Governance and Conflicts Committee will be required for each material transaction with our Sponsor under the Support Agreement. See “—Conflicts of interest” below.

Management Services Agreement.    Pursuant to the Management Services Agreement, our Sponsor will provide, or arrange for the provision of, operational, management and administrative services to us and our subsidiaries, and we will pay our Sponsor a base management fee as follows: (i) 2.5% of Global LLC’s CAFD in each of 2016, 2017 and 2018; and (ii) an amount equal to our Sponsor’s actual cost for providing services to us pursuant to the terms of the Management Services Agreement in 2019 and thereafter. We and our Sponsor may agree to adjust the management fee as a result of a change in the scope of services provided under the Management Services Agreement, but no adjustment will be required solely as a result of our acquisition of Call Right Projects or other assets. The prior approval of our Corporate Governance and Conflicts Committee will be required for each material transaction with our Sponsor under the Management Services Agreement unless such transaction is expressly contemplated by the agreement.

Repowering Services Agreement.    Immediately prior to the completion of this offering, Global, Global LLC and Global Operating LLC, collectively, the “Service Recipients,” will enter into a Repowering Services Agreement with our Sponsor, pursuant to which our Sponsor will be granted a right of first refusal to provide certain services, including (i) repowering power generation projects and providing related services to analyze, design and replace or improve any of the power generation projects through the modification of the relevant energy system or the installation of new components, but excluding any maintenance, and (ii) such other services as may from time to time be reasonably requested by the Service Recipients related to any such repowerings, collectively, the “Repowering Services.”

Investment Agreements.    On December 22, 2014, Global LLC entered into an investment agreement with our Sponsor pursuant to which our Sponsor agreed to (i) provide support with respect to the interest payment obligations due under the Bridge Facility and (ii) contribute certain enumerated projects to Global LLC. Immediately prior to the completion of this offering, we will enter into an additional investment agreement with

our Sponsor pursuant to which our Sponsor will agree to contribute to us the Bora Bora wind project in India, the NPS Star and WXA solar projects in Thailand and the Del Litoral and El Naranjal solar projects in Uruguay, all of which are currently under construction.

Interest Payment Agreement.    Immediately prior to the completion of this offering, Global LLC and Global Operating LLC will enter into an agreement with our Sponsor and SunEdison Holdings Corporation, pursuant to which our Sponsor will agree to pay all of the scheduled interest on Global Operating LLC’s senior unsecured notes until December 31, 2016 and up to an aggregate amount of $40 million in 2017, $30 million in 2018, $20 million in 2019 and $10 million in 2020, plus any interest due on any payment not remitted when due, or the “Interest Payment Agreement.” Our Sponsor will not be obligated to pay any amounts due under such senior indebtedness in connection with an acceleration of the payment of the principal amount of such indebtedness. Global LLC will be entitled to set off any amounts owing by SunEdison pursuant to the Interest Payment Agreement against any and all sums owed by Global LLC to SunEdison under the distribution provisions of the amended and restated operating agreement of Global LLC, and Global LLC may pay such amounts to Global Operating LLC.

Project contracts.    Our contributed projects were or are being built pursuant to engineering, procurement and construction, or “EPC,” contracts, and we anticipate they will be operated and maintained pursuant to operations and maintenance, or “O&M,” contracts with affiliates of our Sponsor. Under the EPC contracts, the relevant Sponsor affiliates provide liquidated damages to cover delays in project completion, as well as market standard warranties, including performance ratio guarantees, designed to ensure the expected level of electricity generation is achieved, for periods that range between two and five years after project completion depending on the relevant market. The O&M contracts with affiliates of our Sponsor provide for the performance of preventive and corrective maintenance services for fees as defined in such agreements. The applicable Sponsor affiliates also provide project availability guarantees of 98% including as to a majority of the solar projects that we own (on a megawatt basis), designed to ensure the expected level of power plant operation is achieved, and certain related liquidated damage obligations. See “Management’s discussion and analysis of financial condition and results of operations—Key metrics—Operating metrics—Project availability” for a description of “project availability.”

Conflicts of interest.    While our relationship with our Sponsor and its subsidiaries is a significant strength, it is also a source of potential conflicts. As discussed above, our Sponsor and its affiliates will provide important services to us, including assisting with our day-to-day management and providing individuals who will serve as our executive officers and other key officers. Our management team, including our officers, will remain employed by and, in certain cases, will continue to serve as executive officers or other senior officers of SunEdison or its affiliates. For example, our Chief Executive Officer also serves as the Chief Executive Officer and Director of TerraForm Power. Following this offering, our officers will also generally continue to have economic interests in our Sponsor and, with respect to our Chief Executive Officer, in TerraForm Power. These same officers may help our board of directors and, in particular, our Corporate Governance and Conflicts Committee evaluate potential acquisition opportunities presented by our Sponsor under the Support Agreement. As a result of their employment by, and economic interest in, our Sponsor, our officers may be conflicted when advising our board of directors or Corporate Governance and Conflicts Committee or otherwise participating in the negotiation or approval of such transactions.

Notwithstanding the significance of the services to be rendered by our Sponsor or its designated affiliates on our behalf in accordance with the terms of the Management Services Agreement or of the assets which we may elect to acquire from our Sponsor in accordance with the terms of the Support Agreement or otherwise, our Sponsor will not owe fiduciary duties to us or our stockholders and will have significant discretion in allocating acquisition opportunities (except with respect to the Call Right Projects and SunEdison ROFO Projects) to us or

to itself or third parties. Under the Management Services Agreement, our Sponsor will not be prohibited from acquiring operating assets of the kind that we seek to acquire. See “Risk factors—Risks related to our relationship with our Sponsor.”

Any material transaction between us and our Sponsor (including the proposed acquisition of any material Call Right Project or any material SunEdison ROFO Project pursuant to the Support Agreement) will be subject to our related party transaction policy, which will require prior approval of such transaction by our Corporate Governance and Conflicts Committee. That committee will be comprised of at least three directors, each of whom will satisfy the requirements for independence under applicable laws and regulations of the Securities and Exchange Commission, or the “SEC,” and the rules of the NASDAQ Global Select Market. See “Risk factors—Risks related to our relationship with our Sponsor,” “Certain relationships and related party transactions—Procedures for review, approval and ratification of related-person transactions; conflicts of interest” and “Management—Committees of the board of directors—Corporate Governance and Conflicts Committee” for a discussion of the risks associated with our organizational and ownership structure and corporate strategy for mitigating such risks.

Renova ROFO Agreement

In connection with the Renova Transaction, Renova has granted us a right of first offer with respect to any sale or transfer of any development or operating project of Renova for the 25-year period after the date of our agreement with Renova. Prior to selling or transferring any Renova ROFO Project, Renova has agreed to provide us with a written notice and to negotiate with us in good faith, for a period of 45 days, regarding the terms and conditions of a purchase by us of the applicable Renova ROFO Project. At the conclusion of the negotiation period, we have the right, in our sole discretion, to submit a binding offer to Renova for the applicable Renova ROFO Project. If we do not submit a binding offer with respect to the applicable Renova ROFO Project, Renova will have the right to sell such project to a third party. In the event that we submit a binding offer to acquire the applicable project, Renova may either accept the offer and sell us the project within the time periods prescribed by the agreement, or sell the applicable project to a third party on terms and conditions that are more favorable to Renova in the aggregate than our offer, in the sole discretion of Renova. Renova is not obligated to sell any of the Renova ROFO Projects and, therefore, we do not know when, if ever, any Renova ROFO Projects will be offered to, or acquired by, us. Additionally, in the event that Renova elects to sell any Renova ROFO Projects, Renova will not be required to accept any offer we make and may choose to sell the projects to a third party (provided that the terms are no less favorable to Renova than those offered to us) or not to sell the projects at all. Furthermore, our right of first offer does not apply to any merger transaction involving Renova or to a sale of all or substantially all of Renova’s assets.

Organizational Transactions

Formation Transactions

Equity Grants. TerraForm Global, Inc. is a Delaware corporation formed on September 12, 2014 by SunEdison to serve as the issuer of the Class A common stock offered hereby. Shortly thereafter, we granted certain employees of SunEdison who will perform services for us equity incentive awards under the TerraForm Global, Inc. 2014 Long-Term Incentive Plan, or the “2014 Incentive Plan,” in the form of restricted shares of Global. See “Executive officer compensation—Equity incentive awards.”

Contributed and Acquired Projects. Global LLC was formed by SunEdison in connection with this offering as a Delaware limited liability company that owns and operates through its subsidiaries a portfolio of contracted

clean power generation assets acquired and to be acquired from SunEdison and unaffiliated third parties. Prior to the completion of this offering: (i) SunEdison and its subsidiaries will have contributed or have committed to contribute to subsidiaries of Global LLC the clean technology energy projects developed or acquired by SunEdison that are included in our initial portfolio, which we refer to as the “Contributed Projects” and (ii) we will complete the following acquisitions:

We collectively refer to these acquisitions as the “Acquired Projects.” We paid an aggregate of $114.3 million in cash for the Acquired Projects.

Bridge Facility. On December 22, 2014, Global LLC entered into a new $150.0 million term loan bridge facility, or the “Bridge Facility,” to provide funding for any acquisitions of clean technology energy projects developed by third parties that may be completed by Global LLC or its subsidiaries prior to the completion of this offering or to repay certain of the project-level indebtedness incurred by projects included in our initial portfolio. On May 6, 2015, the Bridge Facility was amended to increase the aggregate commitment to $450.0 million, of which $87.5 million was subsequently prepaid with a portion of the net proceeds from the Units Private Placements. On June 5, 2015, the Bridge Facility was further amended to increase the aggregate commitment to $550.0 million.

Units Private Placements. On May 6, 2015, we raised $175.0 million from the sale to investment vehicles affiliated with Blackstone Alternative Solutions L.L.C., Everstream Opportunities Fund and Altai Capital Master Fund of 50,000, 100,000 and 25,000 Class D units of Global LLC for a cash purchase price of $50.0 million, $100.0 million and $25.0 million, respectively. Concurrently with the closing of this offering, these purchasers will receive on account of such Class D units a number of shares of our Class A common stock equal to the quotient of (x) the original price of such Class D units and (y) 90% of the initial public offering price of our Class A common stock. Based on an assumed initial public offering price of $         per share, which is the midpoint of the range listed on the cover of this prospectus, these purchasers will receive an aggregate of                  shares of our Class A common stock on account of their Class D units purchased in the private placements. Global will receive the same number of newly issued Class A units of Global LLC in connection with the issuance of its Class A common stock on account of the Class D units. Global LLC used a portion of the net proceeds from the sale of these Class D units to reduce its borrowings under the Bridge Facility and expects to use the remainder to complete acquisitions of projects from third parties and to reduce certain project-level indebtedness.

On June 9, 2015, we raised an additional $335.0 million from the sale of an aggregate of 335,000 Class D units of Global LLC to certain investors, including certain of the Baron Funds and investment vehicles affiliated therewith, Capricorn Investment Group, GE, Glenview Capital Management, Kingdon Capital Management and Zimmer Partners. Concurrently with the closing of this offering, these purchasers will receive on account of such Class D units a number of shares of our Class A common stock equal to the quotient of (x) the original price of such Class D units and (y) 95% of the initial public offering price of our Class A common stock. Based on an assumed initial public offering price of $         per share, which is the midpoint of the range listed on the cover of this prospectus, these purchasers will receive an aggregate of                  shares of our Class A common stock on account of their Class D units purchased in the private placements. Global will receive the same number of

newly issued Class A units of Global LLC in connection with the issuance of its Class A common stock on account of the Class D units. Global LLC expects to use the net proceeds from the sale of the Class D units to complete acquisitions of projects from third parties and to reduce certain project-level indebtedness.

We collectively refer to these purchases as the “Units Private Placements.” We relied upon the “private placement” exemption from the registration requirements of the Securities Act provided by Section 4(a)(2) thereof in connection with the sale of these Class D units. For a further discussion of these private placement transactions, see “Certain relationships and related party transactions—Private Placements.”

For each $1.00 increase (decrease) in the initial public offering price from the midpoint of the range set forth on the cover page of this prospectus, the number of shares of Class A common stock issued to the investors in the Units Private Placements on account of their Class D units will decrease (increase) by                  shares.

We collectively refer to all of the foregoing transactions as the “Formation Transactions.”

Pending Acquisitions

We intend to complete the following acquisitions from third parties concurrently with the completion of this offering or, in certain limited cases, upon the COD of the applicable project:

We collectively refer to these acquisitions as the “Pending Acquisitions” and, together with the Acquired Projects, as the “Acquisitions.” As consideration for the Pending Acquisitions, we expect to pay an aggregate of $1,120.0 million in cash. With respect to the BioTherm Transaction and the GME Transaction, we will pay $8.2 million and $10.5 million of additional consideration in shares of Class A common stock, or          shares and          shares, respectively, in each case assuming an initial public offering price of $         per share, which is the midpoint of the price range listed on the cover of this prospectus. The seller in the Renova Transaction will also have an option to take a portion of the purchase price in shares of Class A Common Stock, subject to our approval.

We anticipate that substantially all of the Pending Acquisitions will be completed concurrently with the completion of this offering. We expect that the Solarpack Transaction and the acquisition of an 82.0 MW solar project that is part of the GME Transaction will be completed when those respective projects achieve COD, which is expected to occur in the second half of 2015. This offering, however, is not conditioned on the concurrent closing of all of the Pending Acquisitions. As of the date of this prospectus, we have not yet received all of the governmental, regulatory or third-party approvals or consents required to complete all of these acquisitions, and the timing for and terms of those approvals are outside of our control. As a result, we cannot assure you that all of the Pending Acquisitions will be consummated on the timetable currently contemplated. To reduce the effect on the Class A units of delays (if any) in the closing of the Pending Acquisitions or the completion of the Contributed Construction Projects, our Sponsor has agreed to forego distributions on its Class B units under certain circumstances. See “—The offering—Distribution Forbearance Provisions” and “Risk factors—Risks related to our business—There can be no assurance that the Pending Acquisitions will be consummated on the timetable currently anticipated, and the closing of this offering is not expressly conditioned on the consummation of the these acquisitions.”

Concurrent Class A Common Stock Private Placement

On June 9, 2015, certain of the Baron Funds and Zimmer Partners entered into a stock purchase agreement with Global in which they agreed to purchase $42.5 million and $25.0 million, respectively, of its Class A common stock at a price per share equal to the initial public offering price in a separate private placement transaction. These share purchases are subject to certain customary closing conditions and will be completed concurrently with the closing of this offering. Based on an assumed initial public offering price of $         per share, which is the midpoint of the range listed on the cover of this prospectus, these purchasers will purchase an aggregate of                      shares of our Class A common stock in this concurrent private placement. For each $1.00 increase (decrease) in the initial public offering price from the midpoint of the range set forth on the cover page of this prospectus, the number of shares of Class A common stock issued to the investors in the Class A Common Private Placement in the aggregate will decrease (increase) by                      shares. We will rely upon the “private placement” exemption from the registration requirements of the Securities Act provided by Section 4(a)(2) thereof in connection with the sale of these shares of Class A common stock and accordingly, these shares will not be registered under the Securities Act.

Throughout this prospectus, we refer to this concurrent private placement of Class A common stock as the “Class A Common Private Placement” and collectively with the Units Private Placements as the “Private Placements.” For a further discussion of these private placement transactions, see “Certain relationships and related party transactions–Private Placements.”

Offering Transactions

Concurrently with the completion of this offering, based on an assumed initial public offering price of $         per share, which is the midpoint of the range listed on the cover page of this prospectus:

We collectively refer to the foregoing transactions, together with the Class A Common Private Placement, as the “Offering Transactions” and, together with the Formation Transactions and the Pending Acquisitions, as the “Organizational Transactions.”

We intend to use any net proceeds we receive as a result of the underwriters’ option to purchase additional shares of Class A common stock, which we estimate will be approximately $         million after deducting underwriting discounts and commissions, a pro rata portion of the structuring fee and offering expenses payable by us, to purchase Class B units (and shares of Class B common stock) held by our Sponsor at a price equal to the initial public offering price in this offering less the underwriting discounts and commissions and structuring fee, and immediately cancel such Class B units (and shares of Class B common stock) contemporaneously with Global LLC issuing Class A units to us. Accordingly, we will not retain any such proceeds used by us to acquire Class B units (and shares of Class B common stock) from our Sponsor.

Our Sponsor will not receive any of the net proceeds or other consideration in connection with this offering, other than (i) the net proceeds used by us to purchase Class B units of Global LLC (and the related shares of Class B common stock) in the event the underwriters exercise their option to purchase additional shares and (ii) the Class B common stock, Class B units of Global LLC and the IDRs issued to it in the Offering Transactions on account of its existing ownership interest. Following completion of this offering, we may elect to use a portion of the net proceeds to fund acquisitions from our Sponsor, including pursuant to the Support Agreement.

Immediately following the completion of this offering:

At any time, SunEdison (or any other permitted holder) may exchange its Class B units or Class B1 units in Global LLC, together with a corresponding number of shares of Class B common stock or shares of Class B1

common stock, as applicable, for shares of our Class A common stock on a one-for-one basis, subject to equitable adjustments for stock splits, stock dividends and reclassifications in accordance with the terms of the exchange agreement we will enter into with SunEdison concurrently with the completion of this offering. When a holder exchanges a Class B unit or Class B1 unit of Global LLC for a share of our Class A common stock, (i) Global LLC will cancel the Class B units or Class B1 units, as applicable, (ii) Global LLC will issue additional Class A units to us, (iii) we will cancel a corresponding number of shares of our Class B common stock or Class B1 common stock, as applicable, and (iv) we will issue a corresponding number of shares of Class A common stock to such holder. See “Certain relationships and related party transactions—Amended and Restated Operating Agreement of Global LLC—Exchange Agreement.”

We have established the Class B1 common stock and Class B1 units primarily to be issued in connection with resetting the IDR target distribution levels. We may issue such shares and units in the future in connection with acquisitions from our Sponsor or third parties.

The following chart summarizes certain relevant aspects of our ownership structure and principal indebtedness as of March 31, 2015, after giving effect to the Organizational Transactions and this offering, based on the assumptions set forth in “—The offering—Certain assumptions”:

Material United States tax consequences

If we make a distribution from current or accumulated earnings and profits, as computed for United States federal income tax purposes, such distribution will generally be taxable to holders of our Class A common stock in the current period as ordinary income for United States federal income tax purposes, eligible under current law for the lower tax rates applicable to qualified dividend income of non-corporate taxpayers. If a distribution exceeds our current and accumulated earnings and profits as computed for United States federal income tax purposes, such excess distribution will constitute a non-taxable return of capital to the extent of a holder’s United States federal income tax basis in our Class A common stock and will result in a reduction of such basis. The portion of any such excess distribution that exceeds a holder’s basis in our Class A common stock will be taxed as capital gain. While we expect that a portion of our distributions to holders of our Class A common stock may exceed our current and accumulated earnings and profits as computed for United States federal income tax purposes and therefore constitute a non-taxable return of capital to the extent of a holder’s basis in our Class A common stock, no assurance can be given that this will occur. See “Risk factors—Risks related to taxation—Distributions to holders of our Class A common stock may be taxable as dividends.” Upon the sale of our Class A common stock, the holder generally will recognize capital gain or loss measured by the difference between the sale proceeds received by the holder and the holder’s basis in the Class A common stock sold, adjusted to reflect prior distributions that were treated as return of capital. Based on our current portfolio of assets and the projected allocations of depreciation and amortization deductions, we expect to generate net operating losses, or “NOLs,” and NOL carryforwards that we can utilize to offset a significant portion of our taxable income for the near term. See “Risk factors—Risks related to taxation—Our ability to use NOLs to offset future income may be limited.” As such, we do not anticipate paying significant United States federal income taxes in the near term. However, the availability of the NOLs and NOL carryforwards could be reduced or limited either by the United States Internal Revenue Service, or “IRS,” (pursuant to a successful challenge in a tax audit or otherwise) or as a result of an “ownership change” or a change in law. Any such reduction or limitation may result in a material increase in our estimated future tax liability and may negatively impact our business, financial condition and operating results. See “Risk Factors—Risks related to taxation—Our future tax liability may be greater than expected if we do not generate NOLs sufficient to offset taxable income.” If you are a non-U.S. investor, please read “Material United States federal income tax consequences to non-U.S. holders” for a more complete discussion of the expected material United States federal income tax consequences of owning and disposing of shares of our Class A common stock.

Certain risk factors

We are subject to a number of risks, including risks that may prevent us from achieving our business objectives or may materially and adversely affect our business, financial condition, results of operations, cash flows and prospects. You should carefully consider these risks, including the risks discussed in the section entitled “Risk factors,” before investing in our Class A common stock.

Risks related to our business include, among others:

Risks related to our international operations include, among others:

Risks related to our relationship with our Sponsor include, among others:

Risks related to an investment in the Class A common stock offered in this offering include, among others:

Corporate information

Our principal executive offices are located at 7550 Wisconsin Avenue, 9th Floor, Bethesda, Maryland 20814. Our telephone number is (240) 762-7700. Our website is www.                     .com. Information contained on our website is not incorporated by reference into the prospectus and does not constitute part of this prospectus.

JOBS Act

As a company with less than $1.0 billion in revenue during our last fiscal year, we qualify as an “emerging growth company,” as defined in the Jumpstart Our Business Startups Act of 2012, or the “JOBS Act.” Section 107 of the JOBS Act provides that an emerging growth company can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. Thus, an emerging growth company can delay the adoption of certain accounting standards until those standards would otherwise apply to private companies.

An emerging growth company may also take advantage of reduced reporting requirements that are otherwise applicable to public companies. These provisions include, but are not limited to:

We may take advantage of these provisions until the last day of our fiscal year following the fifth anniversary of the date of the first sale of our common equity securities pursuant to an effective registration statement under

the Securities Act, which such fifth anniversary will occur in 2020. However, if certain events occur prior to the end of such five-year period, including if we become a “large accelerated filer,” our annual gross revenues exceed $1.0 billion or we issue more than $1.0 billion of non-convertible debt securities in any three-year period, we will cease to be an emerging growth company prior to the end of such five-year period.

We have elected to take advantage of certain of the reduced disclosure obligations regarding financial statements and executive compensation in this prospectus and may elect to take advantage of other reduced burdens in future filings. As a result, the information that we provide to our stockholders may be different than you might receive from other public reporting companies in which you hold equity interests.

In addition, Section 107(b) of the JOBS Act also provides that an emerging growth company can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. In other words, an emerging growth company can delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. We are choosing to “opt in” to such extended transition period election under Section 107(b). Therefore, we are electing to delay adoption of new or revised accounting standards and, as a result, we may choose not to comply with new or revised accounting standards on the relevant dates on which adoption of such standards is required for non-emerging growth companies. As a result of such election, our financial statements may not be comparable to the financial statements of other public companies.

The offering

Cash dividends: