Mark Thompson

Business Phone: 503.706.0434

Business Fax: 503.334.2235


Practice Areas

Public Utility and Energy Law

Public Power / Consumer-Owned Utilities

Administrative and Regulatory Law

Transactions and Resource Development

Water Utility Law


Lewis and Clark Law School, J.D. 2004

Brigham Young University, B.S. 2001

Professional Experience

Mr. Thompson provides representation, legal and consulting services on energy, administrative, and public utility matters. He advises utilities, energy resource developers, and energy consumers and provides representation in administrative agency proceedings and appeals.

Mr. Thompson has extensive experience in economic regulation, and worked for eight years overseeing rates and regulatory affairs for NW Natural Gas Company, a large investor-owned natural gas utility. At NW Natural, he was responsible for regulatory strategy, providing legal representation, and overseeing a wide variety of regulatory dockets, including general rate cases. Mr. Thompson has extensive experience in cost-of-service regulation, regulatory compliance, and all aspects of ratemaking and related procedures.

Mr. Thompson also worked for many years as Staff Counsel for the Public Power Council, where he represented Northwest public power entities (public and people’s utility districts, cooperatives, and municipal utilities) before the Bonneville Power Administration (BPA) and the Federal Energy Regulatory Commission (FERC). He also litigated numerous appeals of BPA actions in the Ninth Circuit Court of Appeals, and has appeared in federal district court as well. Mr. Thompson also previously worked as an associate attorney at the law firm Richardson & O’Leary, where he represented industrial power users and resource developers before state utility commissions, and advised consumer-owned utilities on transactional matters.

Mr. Thompson’s breadth of experience in regional energy matters enables him to help all types of businesses and organizations navigate complex energy, regulatory and legal issues, and provide well-tailored and persuasive advocacy.

Mr. Thompson holds a J.D. from Lewis and Clark Law School in Portland, Oregon, where he graduated with cum laude honors, and holds a Bachelor of Science degree in Conservation Biology from Brigham Young University.

Mr. Thompson grew up in rural Eastern Oregon, enjoys home remodeling, birding, running, and is involved in leading local community youth groups. He enjoys spending time with his wife and three children.

Professional Activities

United States Court of Appeals, Ninth Circuit
Oregon State Bar
Oregon State Bar Energy, Telecom and Utility Section
Idaho State Bar (inactive)