Gregory Eisenstark

Senior Counsel

Gregory Eisenstark is senior counsel in Morgan Lewis's Business and Finance Practice. Mr. Eisenstark maintains active state and federal energy regulatory practices, with experience in rate cases, rulemaking, renewable energy, demand response and energy efficiency issues, regulatory audits, and transmission formula rate cases and incentive rate filings. He has experience drafting legislation and counseling on legislative matters, as well as appellate experience in both state and federal courts.

Mr. Eisenstark has personally litigated hundreds of utility rate and regulatory filings to successful completion, and was the main drafter of New Jersey state legislation permitting utilities to own renewable generation and energy efficiency measures and to earn a full return on investment. He also successfully defended, in both state and federal courts, a New Jersey Board of Public Utilities decision allowing utilities to retain ownership of renewable energy certificates for pre-existing power purchase contracts.

Prior to joining Morgan Lewis, Mr. Eisenstark served as Associate General Regulatory Counsel for Public Service Enterprise Group (PSEG), where he represented PSEG's operating companies in regulatory matters before the New Jersey Board of Public Utilities, the Federal Energy Regulatory Commission (FERC), other state utility commissions, and in state and federal courts. Prior to that, he served as Managing Attorney for Electric for the State of New Jersey's Ratepayer Advocate Division, now called the Division of Rate Counsel, where he represented utility customers in matters before state and federal courts and provided analysis and testimony on state legislation involving the energy industry. In this position, Mr. Eisenstark played an active role in the transformation of PJM Interconnection from a power pool to an independent system operator, and served as the division's initial representative on the Public Interest and Environmental Organization User Group on behalf of PJM.

Mr. Eisenstark earned his J.D. from Rutgers University School of Law, Newark in 1991. While in law school, he served as a law clerk in the New Jersey Attorney General's Office, Division of Law, Public Utilities Section where he drafted briefs and research memoranda in regulatory, administrative, and enforcement matters involving public utilities in New Jersey. He earned his B.A. in biology from Oberlin College in 1984.

Mr. Eisenstark is admitted to practice in New Jersey, New York, and Pennsylvania and before the U.S. Court of Appeals for the Third Circuit, the U.S. Court of Appeals for the District of Columbia Circuit, and the U.S. District Court for the District of New Jersey.