Home > People > Jecoliah Williams

Jecoliah Williams


Washington, D.C.
202 585 6978 202 585 6978 direct

Jecoliah leverages her practical background in natural resource management to assist energy clients with a variety of regulatory issues.

With significant experience in compliance counseling and administrative litigation, Jecoliah represents energy supply and transmission entities in complex rate and cost-of-service proceedings before the Federal Energy Regulatory Commission (FERC). In addition, Jecoliah supports energy infrastructure modernization through client advice and advocacy related to the North American Electric Reliability Corporation (NERC) reliability and critical infrastructure protection standards.

Prior to joining Thompson Coburn, Jecoliah held a number of positions in the legal and environmental science fields where she assisted with regulatory and enforcement actions involving energy sector compliance with market, environmental and cybersecurity regulations.


“Prepared the 2021 update to the Public Utility Regulatory Policies Act (PURPA) Title II Compliance Manual, for the American Public Power Association, Edison Electric Institute and the National Rural Electric Cooperative Association”; 2021