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The power and renewable energy sector is a constantly evolving field with immeasurable future potential. With the world’s energy needs changing and possibilities in energy sources broadening, Simpson Thacher is well poised as a market leader in the industry, with cutting-edge knowledge and depth of experience that few firms can claim.

Top Rankings
Electricity (Transactional) - Chambers USA & Chambers Global (2011-2025)
Energy Transactions: Conventional Power - The Legal 500 U.S. (2016-2024)
Energy: Renewable/Alternative - The Legal 500 U.S. (2013-2024)

Energy companies, their investors and lenders have repeatedly turned to us for advice on their essential legal challenges. Through changes in regulation and market conditions, we continue to assist our power and renewable energy clients across the full spectrum of their commercial needs, including in:

Power and Transmission
  • KKR in its $50 billion strategic partnership with Energy Capital Partners to accelerate development of data center and power generation and transmission infrastructure
  • BlackRock and Capital Power in their 50/50 partnership and joint acquisition of Harquahala Generation Company, LLC, named the 2024 North America Power & Transmission Deal of the Year by IJGlobal
  • KKR and PSP Investments in their $2.82 billion acquisition of a 19.9% interest in American Electric Power’s Ohio and Indiana & Michigan transmission companies
  • EQT Infrastructure VI fund in its acquisition of Madison Energy Investments from affiliates of Stonepeak Partners LP
  • LS Power in its acquisition of the Rolling Hills natural gas-fired power plant from ArcLight Capital Partners
  • Macquarie Infrastructure and Real Assets in its investment in Puget Sound Energy, Inc., together with Ontario Teachers’ Pension Plan Board
  • PG&E’s emergence from its 18-month Chapter 11 bankruptcy 
  • Multiple debt and equity offerings aggregating over $10 billion by PPL Corporation and its subsidiaries
  • General Electric’s $15 billion senior unsecured revolving credit facility
  • Multiple debt and equity offerings aggregating over $6 billion by American Electric Power 
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    Renewable Energy
    • Morgan Stanley Infrastructure Partners in its strategic partnership with and investment in Torch Clean Energy
    • NextEra Energy in the formation of Nitro Renewables Holdings, a joint venture with Blackstone to co-own and develop a portfolio of hybrid renewable energy projects
    • Financing parties in more than 50 financings valued at over $10 billion in connection with 10,000 megawatts of renewable power assets for subsidiaries of NextEra Energy
    • BlackRock’s Global Renewable Power Fund IV in its $500 million investment in Recurrent Energy, a solar and energy project storage developer
    • Affiliates of KKR in the mandatory tender offer over all shares corresponding to the share capital of Greenvolt, valued at $1.267 billion
    • Bridgepoint Group plc in its acquisition of Energy Capital Partners, the largest private owner of power generation and renewables in the United States and a leading investment firm across energy transition infrastructure
    • KKR in its agreement with Hannon Armstrong Sustainable Infrastructure Capital, Inc. to establish CarbonCount Holdings 1 LLC to invest up to $2 billion in clean energy assets across the United States
    • KKR in multiple investments in Serentica Renewables, awarded the 2023 Infrastructure Investor Energy Transition Deal of the Year for Asia-Pacific
    • Affiliates of KKR in their $2.2 billion acquisition of ContourGlobal
    • KKR in its sale of a 50% stake in global renewable developer, X-ELIO, to its joint venture partner, Brookfield Renewable, awarded the 2023 Infrastructure Investor Energy Transition Deal of the Year for Europe
    • Riverstone Credit Partners and Summit Partners Credit Advisors in the launch of R3 Renewables in a joint venture with Peabody, and the sale of their equity interests to RWE
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    “Simpson is always my first choice.”
    – Chambers USA (quoting a client)

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          Spotlight on
          2024 IJInvestor Power & Transmission Acquisition of the Year in North America
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