Karen M. McGaffey
Awarded Practice Areas
Energy Law Environmental Law Litigation - Environmental Natural Resources Law
Biography
Karen McGaffey's practice involves the full range of environmental issues. She assists clients with project development, permitting, compliance and regulatory matters under state and federal environmental and land use laws, including the National and State Environmental Policy Acts (NEPA/SEPA), the Clean Water Act (CWA), the Clean Air Act (CAA), and the Endangered Species Act (ESA). She represents clients in environmental litigation, including CERCLA and MTCA cost recovery actions, natural resource damage claims, government enforcement actions, citizen suits and lawsuits challenging permits and regulatory developments. She also assists with due diligence investigations and other environmental aspects of corporate and real estate transactions.
Karen's practice emphasizes energy project development and facility siting. She assists clients in the development of all types of energy facilities, including natural gas-fired power plants, wood-fired cogeneration facilities, wind power projects, solar energy projects, electric transmission lines, and pipelines carrying oil, petroleum products, natural gas and hydrogen. She advises clients on greenhouse gas mitigation requirements and opportunities. She also assists clients with legislative and regulatory matters concerning energy facility siting, climate change, renewable energy credits and renewable energy portfolio standards.
Karen serves on the Firmwide Management Committee and Executive Committee.
Karen's practice emphasizes energy project development and facility siting. She assists clients in the development of all types of energy facilities, including natural gas-fired power plants, wood-fired cogeneration facilities, wind power projects, solar energy projects, electric transmission lines, and pipelines carrying oil, petroleum products, natural gas and hydrogen. She advises clients on greenhouse gas mitigation requirements and opportunities. She also assists clients with legislative and regulatory matters concerning energy facility siting, climate change, renewable energy credits and renewable energy portfolio standards.
Karen serves on the Firmwide Management Committee and Executive Committee.
Overview
- Harvard University, J.D., graduated 1989
- Dartmouth College, AB
- Washington, Washington State Bar Association
- Colorado, Colorado Bar Association
- American Bar Association Natural Resources - Member
- Colorado - Supreme Court
- Washington, Washington State Bar Association
- Colorado, Colorado Bar Association
- American Bar Association Natural Resources - Member
- Harvard University, J.D., graduated 1989
- Dartmouth College, AB
- Colorado - Supreme Court
Client Testimonials
Awards & Focus

Named "Lawyer of the Year" by Best Lawyers® for:
- Energy Law, Seattle (2014)
Recognized in The Best Lawyers in America® 2026 for work in:
- Energy Law
- Environmental Law
- Litigation - Environmental
- Natural Resources Law
Additional Areas of Practice:
- Land Use and Zoning Law
- Mining Law
Awards:
- Peer Rated AV in Martindale-Hubbell
- Listed in Washington Law & Politics, “Washington's Super Lawyers", 2012 - present
- Ranked by Chambers USA, as “America’s Leading Environmental Lawyers," 2010 - present
News & Media
Case History
Cases
- Other Court Admissions
- U.S. Supreme Court
- U.S. Court of Appeals for the Ninth Circuit
- U.S. Court of Appeals for the Federal Circuit
- U.S. District Court for the Eastern District of Washington
- U.S. District Court for the Western District of Washington
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