Yvonne Hennessey

• Energy

• Environmental

• Regulatory

• Oil & Gas

• Renewable Energy

• Linear Infrastructure

• Energy Markets

• Lobbying & Election Law Compliance

Yvonne is chair of the firm’s Environmental Practice Area and co-leader of the firm’s Oil & Gas, Linear Infrastructure, and Energy Markets Teams. She provides counsel to a diverse array of energy clients, including electric power generators, electric transmission, and interstate and intrastate natural gas pipelines. Yvonne is known for her key insight and strategic advice on project siting and high-profile regulatory litigation in both administrative and judicial forums. She speaks and writes on a regular basis throughout the country.

• New York State Bar Association, Environmental and Energy Law Section, Chair

• Capital District Women’s Bar Association, Member

• Northern District of New York Federal Court Bar Association, Past-President

• Women's Bar Association of the State of New York, Member

• Independent Oil & Gas Association of New York, Member

• Institute for Energy Law, Advisory Board Member

• Institute for Energy Law, Oil & Gas E-Report, Editor

• Barclay Damon’s Women’s Forum, Member

• LexisNexis Environmental Law in New York Newsletter, “Opposition to Natural Gas Pipelines Following New York’s ‘Fracking’ Ban”

• Law360, “New York’s Fracking Ban: Politics Under the Veil of ‘Science’”

• Law360, “Trump Nationwide Permit Move Could Interrupt Pipeline Suit”

• Barclay Damon LLP, “End of An Era: SCOTUS Overturns Chevron After 40 Years of Deference to Administrative Agencies”

• Barclay Damon LLP, “EPA Lists Two New ‘Forever Chemicals’ Under CERCLA”

• Barclay Damon LLP, “Proposed NYS Budget Includes Major Changes to ORES and Transmission Siting”

• Barclay Damon LLP, “NYS Governor Hochul Embraces Green Energy in Annual State of the State Address”

• Barclay Damon LLP, “NYSDEC Seeks Input on Impending Changes to State Wetland Rules”