Jenner & Block

David W. DeBruin is a litigation counsel who has served as the managing partner of the Washington, DC office and as co-chair of the firm’s Complex Commercial Litigation Practice.  Mr. DeBruin has extensive litigation experience in energy matters, as well as in complex Supreme Court and appellate litigation.  Mr. DeBruin draws on his experience as a former law clerk for Supreme Court Justice John Paul Stevens and as a former trial attorney at the Public Defender Service for the District of Columbia, where he handled a large number of jury and bench criminal trials.  Mr. DeBruin has argued cases before the United States Supreme Court, numerous federal appellate courts, and state supreme courts.

In energy disputes, Mr. DeBruin provides extensive first-chair trial experience and deep proficiency in commercial energy markets.  Mr. DeBruin has significant experience in hydroelectric power disputes and counsels on issues related to hydroelectric power.  He is leading the representation of Exelon in a dispute with the State of Maryland concerning the Conowingo Hydroelectric Project.  He also represented Exelon in connection with challenges to the recent merger of Exelon and Pepco Holdings, Inc., and he served as lead trial counsel in a case brought by Exelon, PSEG, Calpine and PPL in New Jersey involving state subsidies for construction of three natural gas generation facilities.  He has been involved in contract disputes for natural gas deliveries, construction disputes in connection with new natural gas generating facilities in New England and a significant mischarging dispute at FERC, among other matters.