Lisa A. Gilbreath

Lisa Gilbreath is a partner in the Environmental, Land Use, and Energy Infrastructure Development, Acquisition & Financing practice groups. Lisa works on a wide variety of environmental and energy matters, offering clients strategic advice in regulatory, legislative, and judicial proceedings.

In her environmental practice, Lisa assists clients with numerous issues including energy project development permitting, energy and environmental litigation, air quality legislative and regulatory activities, air quality enforcement, chemical safety, hazardous substances and hazardous waste management, and contaminated property remediation and cleanup. She has broad experience obtaining the regulatory approvals for large transmission and other major energy infrastructure projects, and works closely with her colleagues in the Energy Infrastructure practice group to provide clients with comprehensive development and siting counsel, particularly in the renewables space. Lisa’s background in energy law gives her a unique ability to advise clients in matters that intersect environmental and energy law issues.

Prior to joining Pierce Atwood Lisa was a senior managing associate in the New York office of Dentons US LLP. There, she represented energy generation, distribution, transmission, and retail companies in a range of regulatory, litigation, and legislative matters, and represented clients in complex commercial litigation in state and federal court.  Lisa has also worked for state environmental agencies in California and Kansas, and interned with the Office of the Maine Attorney General in the Natural Resources and Government divisions.

At Pierce Atwood, Lisa is a member of the firm's Pro Bono Committee, and is dedicated to providing legal work for the public good.

Honors & Distinctions
  • Listed in The Best Lawyers in America® for Environmental Law and Environmental Litigation (2022)
Professional Activities
  • Member, Arctic Economic Council, Energy Working Group
  • Member, Arctic Economic Council, Responsible Resource Development Working Group
  • Member, Energy Bar Association, Electricity Regulation Committee
  • Member, Maine State Bar Association (Environmental & Energy Law Section)
  • Member, New England Women in Energy and the Environment
  • Member, New York State Bar Association
  • Alumna, Kansas City Metropolitan Bar Association Leadership Academy
  • Alumna, NARUC rate school, "The Basics Practical Regulatory Training for the Electric Industry"
  • Gilbreath, Lisa. Co-author of A Practical Guide to Land Use in Maine, MCLE New England (2021 supplement).
  • Lisa is co-author of the Maine PFAS Tracker, which provides the latest news and updates on Maine standards and proposed actions on PFAS.
  • Gilbreath, Lisa.  What a Utility Company Should Know When Faced with Sampling for Emerging Contaminants. MGP Conference, Philadelphia, PA.  October 2019.
  • Gilbreath, Lisa and Gray, Kenneth.  Hazardous Waste Requirements and Compliance Issues.  Environmental Law in Maine seminar, September 2019.
  • Gilbreath, Lisa and Gray, Kenneth.  Federal and Maine Emergency Planning and Community Right-To-Know Acts: Compliance Requirements and Penalties.  Environmental Law in Maine seminar, September 2019.
  • Gilbreath, Lisa and Gray, Kenneth.  Contaminated Property – Liability, Transactions, and Remediation.  Environmental Law in Maine seminar, September 2019.
Civic Activities
  • Board of Directors and Treasurer, Maine Gun Safety Coalition, 2018-Present

Practice Areas

Lisa's clients include transmission, solar, wind, biomass, hydro, and battery storage developers, as well as electric and natural gas utilities and clients with cogeneration capabilities. She has broad experience obtaining regulatory approvals for these clients before public utilities commissions and environmental agencies in the Northeast and the Midwest. Lisa also assists energy project owners and developers with due diligence in connection with energy infrastructure acquisitions. She further represents electric utilities in major rate case proceedings, mergers and acquisitions, certificates of convenience and necessity, affiliate transactions, and other regulatory proceedings, and has defended favorable regulatory orders successfully on appeal.