David Dardis

Executive Vice President and General Counsel

David Dardis, Executive Vice President and General Counsel

Dardis is a veteran energy industry lawyer with more than two decades of experience representing utilities, electric generation companies, and power and gas marketers, and serving in the federal government. He manages all legal affairs, corporate governance and corporate compliance for Constellation. He serves on the Constellation Executive Committee, which sets strategy and direction for the company.

The new Constellation business, pending the remaining regulatory approvals, will be the largest supplier of clean energy and sustainable solutions to homes, businesses and public-sector customers across the continental U.S., backed by more than 31,000 megawatts of generating capacity consisting of nuclear, wind, solar, natural gas and hydro assets. The company will produce about 12 percent of the nation’s carbon-free energy, making it an indispensable partner to businesses and state and local governments that are setting ambitious carbon-reduction goals and seeking long-term solutions to the climate crisis.

Professional History

Dardis joined Constellation in 2007 and has held various leadership roles within Exelon Corporation and Constellation leading large legal teams and advising senior management on key issues facing the company. His experience includes negotiating and closing transformative mergers and acquisitions, achieving regulatory solutions to compensate resources for their reliability and environmental attributes, successfully resolving government investigations, achieving competitive market reforms, and building best-in-class compliance programs.

Prior to joining Constellation, he was legal advisor to Chairman Joseph Kelliher of the Federal Energy Regulatory Commission. In that role, he advised the Chairman on the organized electric markets in the Eastern Interconnection, implementation of the Energy Policy Act of 2005 and development of the agency’s enforcement program. Prior to his work at FERC, Dardis was an attorney in the Washington, D.C. offices of the law firms of Hunton & Williams LLP and Balch & Bingham LLP representing clients before FERC, U.S. courts of appeals and state utility commissions. 

Civic Involvement

Dardis serves on the board of directors of the Irvine Nature Center in Owings Mills, Md., the leading environmental education organization in the state, and is a member of the Law Council of Washington and Lee University School of Law. He was previously a trustee at Second Presbyterian Church in Baltimore.


Dardis earned his Bachelor of Arts in Politics from Pomona College and his juris doctor from Washington and Lee University School of Law. He completed the Exelon Senior Leadership Experience Program in 2016.