Orrick, Herrington & Sutcliffe LLP

Rated for its excellence in the energy transition and renewable space, Orrick, Herrington & Sutcliffe LLP houses a deep bench of experienced advisors that focuses on M&A, joint ventures, first-of-its-kind power purchase agreements, and both investment and production tax equity transactions. The team works with many of the the top energy producers in the country such as Calpine and TotalEnergies, whilst also advising multinational corporations pursuing net zero and carbon negative goals such as Microsoft. Added to this, the firm continues to operate at the leading edge of battery storage developments and transactions. The trio of team heads includes Houston-based Blake Winburne, a seasoned practitioner who acts for both premium private equity firms and energy developers; Dahl Thompson, who also operates out of Houston and has been particularly active in the wind space; and Louise Gibbons, who leads from the firm’s San Francisco office and who has been active on equity transactions on some of the largest renewable developments in the country. Fellow San Francisco advisor Kristin Seeger‘s practice largely concentrates on M&A pertaining to renewables, while Giji John is instructed by the firm’s roster of financial sponsors for development, financing and transactional counsel and resides in Singapore. Houston’s Brad Gathright covers conventional and renewable asset deals with equal measure. Other names of note are Patrick Ferguson, who joined from Davis Wright Tremaine LLP in January 2023 to provide further regulatory capabilities to the practice, and Rohit Sachdev, who is well versed across the development and M&A piece. Both sit in the San Francisco office.