Joe Karp is a partner in the Real Estate, Energy, Land Use & Environmental Practice Group in the firm's San Francisco office.

Areas of Practice

Joe focuses his practice on regulatory, transactional and project development matters, primarily in the Energy sector. He handles natural gas and electricity issues in the United States, represents municipal entities in wholesale electricity purchase transactions, and represents electricity generators in connection with electricity sales, fuel supply, interconnection, transmission and other areas. Karp represents developers and power purchasers in matters involving wind, solar, biomass, landfill gas, geothermal and other technologies. He regularly represents renewable and natural gas fired generators and investor-owned water utilities in regulatory proceedings before the California Public Utilities Commission (CPUC).



Leading Energy Lawyer, Lawdragon 500, 2024

Lawyer of the Year, Best Lawyers, 2023

The Best Lawyers in America® for Energy Law, 2006-2024

The Best Lawyers in America® for Utilities Law, 2022-2024

Lawdragon's 500 Leading U.S. Energy Lawyers, 2023

Lawdragon’s 500 Leading Environmental & Energy Lawyers, 2021

Chambers USA State Regulatory & Litigation - California, 2012-2023, and nationally in Projects, 2012-2017, 2022-2023

The Legal 500 U.S. recognized for regulatory work in energy transactions: conventional power; energy litigation: conventional power; energy: renewable/alternative, 2016-2018, 2021, 2023; and energy: regulatory, 2016, 2021 

Chambers Global leading individual in renewables and alternative energy projects, 2010-2012, 2023

Profiled in the Daily Journal’s first ever list of the top 25 clean tech lawyers, 2011

In providing outstanding service to the electric and gas industry, Public Utilities Fortnightly named Joe one of “Fortnightly’s Top Utility Lawyers of 2011”

San Francisco Chronicle’s “Top Attorneys of 2011”

Daily Journal’s “Top 100 Lawyers” in California, 2007

  • Joseph Karp
  • Legal500 US Recommended Attorney


Media Mentions



American Bar Association’s Energy and Natural Resource Section


J.D., Harvard University, 1989, cum laude

B.A., Binghamton University, 1986

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