Willis Geffert

Willis Geffert is a principal in CRA’s Energy Practice with more than twenty years of experience in international arbitrations, regulatory proceedings, commercial litigation, and advisory assignments.
Mr. Geffert leads projects in the US and in global energy markets, including Canada, Latin America, and Europe. He addresses economic matters involving distribution, transmission, and generation, covering all generation technologies, with recent work increasingly focused on renewables and energy storage. In the oil and natural gas sectors, Mr. Geffert assesses regulatory, contractual, damages, and valuation issues related to upstream activities, trading, and retail rates.
Mr. Geffert provides in-depth analysis of damages, contracts, investments, and energy sector policies, in a wide variety of disputes including those administered by ICSID, ICC, and other international arbitration forums. In regulatory proceedings, he assesses wholesale and retail rates, PPAs and customer supply contracts, and other utility-specific issues. He has testified before the FERC and other regulatory and arbitral panels.
Mr. Geffert advises governments, regulators, energy companies, utilities, and investors, on market design, due diligence, contract and PPA review, and resource choice. He regularly utilizes production cost, econometric, stochastic, and financial models to support major investment decisions and in disputes. He also conducts marginal cost of service analysis for utility clients.
Mr. Geffert holds a Master of Science in Physics from the University of Pennsylvania and a BA in Physics from Amherst College.
