John Lilyestrom > Hogan Lovells US LLP > Washington DC, United States > Lawyer Profile

Hogan Lovells US LLP
United States

Work Department

Global Regulatory


Senior Counsel


For over 25 years, John Lilyestrom has focused his energy law practice on the competitive and commercial consequences of electricity regulation, with particular emphasis on regional transmission operator markets.

John represents modern electric market participants, including electric utility companies, electric power marketers, independent power producers, and end-use consumers of electricity before the Federal Energy Regulatory Commission, state regulatory agencies, and federal and state courts.

He has represented utilities in mergers and other actions concerning the alleged exercise of generation market power, transmission and wholesale service rates, and the application of standards of conduct and affiliate restrictions. John has also advised electric utilities in assessing commercial opportunities arising from, and the regulatory implications of, electric industry restructuring, and corporate reorganization.


J.D., University of Maryland, Francis King Carey School of Law, 1989

B.A., Harvard University, 1985

Lawyer Rankings

United States > Industry focus > Energy regulation: conventional power

Hogan Lovells US LLP is well known for its FERC practice, which acts for a number of electric utilities and other market participants. Daniel Stenger has a strong background in nuclear energy and represents clients before the NRC and DOE. Senior counsels Mary Anne Sullivan and John Lilyestrom are also noted. All named individuals are based in Washington DC.

United States > Industry focus > Energy: renewable/alternative power

Combining deep sector strength with a formidable multi-disciplinary offering  covering financing, M&A, regulatory and disputes, the ‘responsive and professional‘ team at Hogan Lovells US LLP is well placed to advise clients on work throughout the renewables life cycle, from project development and finance, through to buy- and sell-side project M&A. An electrical engineer by trade and benefiting from prior in-house experience in the electric utility industry, Baltimore-based team head Brian Chappell is uniquely positioned to advise clients in the renewables space and is recommended for providing ‘considered and commercial‘ advice from a purely legal as well as business perspective. Although the firm handles a substantial amount of work for established developers and utilities in the sector, it is also regularly instructed by start-ups seeking to grow their businesses in the renewables sector through venture capital equity financing. Other recommended practitioners include ‘responsive’ Washington DC-based partner John Lilyestrom, who provides an ‘excellent work product’, particularly as it relates to regulatory challenges facing stakeholders in the industry, and Miami-based partner Jorge Diaz-Silveria, who regularly advises on financing and M&A pursuant to Latin America-based renewables projects.