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Paul Hastings LLP

Work +1 202 551 1700
Fax +1 202 551 1705
Atlanta, Beijing, Brussels, Chicago, Costa Mesa, Frankfurt and 16 more

William DeGrandis

Work (202) 551-1720
Paul Hastings LLP

Work Department

Corporate Department/ Global Projects Group


William DeGrandis is a partner in the Corporate practice of Paul Hastings and is based in the firm’s Washington, D.C., office. He has over 30 years experience in the energy regulatory and transactions area and has represented clients before both state and federal regulatory commissions in power supply, transmission, merchant plant, merger, ratemaking, cogeneration, hydroelectric, utility holding company and related matters. He is actively involved in advising clients on regulatory and transactional matters relating to restructuring and open access transmission matters, including Regional Transmission Organization and Exempt Wholesale Generator issues. He has negotiated electric power purchase/sale, interchange, transmission, energy swap, operating, and project development agreements. He has represented renewable energy (including solar, wind, hydro and biomass) clients with regard to interconnection, transmission, power sale, and other related arrangements.


English and Latin (studied for five years).


Mr. DeGrandis is a member of the District of Columbia and American Bar Associations, and is a member of the Energy/Natural Resources and Public Utility Sections, respectively. He has served as a member of the Board of Directors of the Energy Bar Association (EBA), and also served as a member and Chairman of the EBA Pro Bono Committee. He has previously served as Chairman and Vice Chairman of the Electric Utility Regulation Committee of the EBA. He has been named by Chambers USA, and by SuperLawyers as an outstanding energy lawyer.


Mr. DeGrandis majored in Political Science and received his B.A. degree, with highest honors, in 1977 from Pennsylvania State University, and his J.D. degree in 1980 from the University of California at Los Angeles Law School (UCLA). He served as a staff member and a comments editor on the UCLA Law Review.


Golf, running, travelling with wife Monica, attending concerts and plays.

United States: Finance

Project finance

Within: Project finance

Paul Hastings LLP is instructed by sponsors and lenders in relation to energy and infrastructure projects, and it is particularly noted for its expertise in advising on projects in Latin America. New York-based Robert Kartheiser, who heads the team, advised Sumitomo Mitsui Banking Corporation and Corporación Financiera de Desarrollo on the $142m project financing for the design, installation, operation, and maintenance of solar photovoltaic systems by the borrower Ergon Perú to supply electricity to rural areas not connected to the power grid in Peru. Kartheiser and Cathleen McLaughlin, who is also based in New York, advised Glenfarne Group on a $400m syndicated senior secured loan to subsidiary company Prime Energía. Recently promoted partner Elicia Ling in New York, William DeGrandis in Washington DC, Peter Weiner in San Francisco and Roberta Bassegio, who is based across the firm’s New York and São Paulo offices, are also key figures.

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United States: Industry focus

Energy regulation: conventional power

Within: Energy regulation: conventional power

Advising on regulatory issues related to the running of natural gas-fired generation projects, wind and solar projects and emergent storage developments are some key areas of focus at Paul Hastings LLP. The environment and energy practice group is led by DC-based corporate partner William DeGrandis. Recent highlights include Peter Weiner (San Francisco) and others assisting First Solar with obtaining permits for its Cal Flats project. The team also represents the client in negotiations concerning solar regulatory policy with the DOE and Bureau of Land Management. The firm's client list also includes the likes of Georgia Transmission Corporation and Olympus Power Company. Michael Spafford (DC) is another name to note.

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Energy: transactions: conventional power

Within: Energy: transactions: conventional power

The team at Paul Hastings LLP advises on corporate deals including M&A, asset disposals, and a variety of capital markets and financing transactions. Washington DC-based practice head William DeGrandis is 'fantastic, very proactive, and an excellent early warning radar for issues in a transaction'. Another key lawyer is San Francisco-based Peter Weiner, who has 'excellent industry knowledge' and is 'adept at handling tense situations'.

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