Simpson Thacher & Bartlett LLP plays a prominent role in renewable and alternative power transactions, advising sponsors, private equity investors, and developers on complex M&A, joint ventures, and strategic investments involving renewable energy and energy transition assets. The team is particularly active in transactions involving power generation, infrastructure, and large-scale renewable energy portfolios. The practice is co-headed by Eli Hunt in New York and Amy Mahon in London. Hunt advises private equity sponsors and strategic investors on acquisitions, joint ventures, and investments across the renewable energy sector. Breen Haire in Houston advises investors and operating companies on acquisitions and dispositions involving renewable and infrastructure assets. Also in Houston, Shamus Crosby focuses on M&A, joint ventures, and structured transactions involving renewable energy and infrastructure assets, advising private equity sponsors, developers, and energy companies on strategic investments and financings. In New York, David Lieberman is also recommended.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Sector knowledge

Key clients

  • Aggreko
  • American Electric Power
  • Arclight
  • Avnos
  • Bank of America
  • Bank of Montreal
  • BlackRock
  • Blackstone
  • Bridgepoint Group
  • Brookfield
  • Capital Power
  • CBRE Group, Inc.

Work highlights

Represented Capital Power Corporation in its $2.2 billion acquisition of the (i) 1,124 MW Hummel Station, a combined-cycle natural gas facility in Shamokin Dam, Pennsylvania and (ii) 1,023 MW Rolling Hills plant, a combustion turbine natural gas facility in Wilkesville, Ohio, and related financing.
Represented KKR in its $50 billion strategic partnership with Energy Capital Partners, the largest private owner of power generation and renewables in the U.S. The collaboration aims to accelerate the development of data center and power generation and transmission infrastructure for the rapid expansion of artificial intelligence and cloud computing globally.
Represented KKR and the Public Sector Pension Investment Board, one of Canada’s largest pension investors, in its acquisition of a 19.9% interest in American Electric Power’s Ohio and Indiana & Michigan transmission companies for $2.82 billion. The investment will support AEP’s ability to meet increasing customer demand and enhance grid reliability. KKR and PSP Investments formed a 50/50 strategic partnership to pursue the acquisition.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head

Breen Haire; Eli Hunt; Amy Mahon

Other key lawyers

Shamus Crosby; David Lieberman