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Email: willis.geffert@nera.com
vCard: Download
MS in physics, University of Pennsylvania
BA in physics, magna cum laude, Amherst College
Willis Geffert specializes in the energy industry, focusing on international arbitration, litigation support, regulatory proceedings, and advisory services. He has provided in-depth analysis and advice as a testifying or consulting expert in 14 international arbitrations, addressing contract disputes, infrastructure concessions, regulatory policy, expropriation, valuation, and damages. Mr. Geffert advises governments, regulators, utilities, energy companies, and investors on energy market design, regulation, potential acquisitions or asset retirements, contract negotiation, and transaction due diligence.
Mr. Geffert has broad power industry experience. He advises clients in the US, Canada, Latin America, Europe, Asia, and Africa, analyzing power plants, transmission and distribution lines, fuel markets, price forecasts, production cost models, Power Purchase Agreements (PPAs), capacity auctions, and wholesale and retail rates. Mr. Geffert’s experience spans all generation technologies, including renewables (solar PV, wind, hydroelectric, geothermal, and biomass) and thermal plants (natural gas, coal, oil, and nuclear), across numerous markets, including PJM, NYISO, CAISO, MISO, ERCOT, ISO-NE, Mexico, various Canadian markets, Ireland's SEM, Nord Pool, Russia, Pakistan, South Africa, Peru, Guatemala, and the Dominican Republic. Increasingly, his cases involve the transition from higher-emission resources like coal power plants to renewable generation. In the oil and gas sector, Mr. Geffert has worked on construction disputes, contract issues related to gas extraction, utility valuation, and retail pricing.
Mr. Geffert has supported clients in arbitrations (including before ICSID, ICC, and SIAC), disputes in US courts, and contested proceedings before the Federal Energy Regulatory Commission (FERC) and state and provincial regulatory bodies. He recently served as expert in an ICC arbitration for a Central American energy company, providing economic and energy sector analysis in a contract and construction-delay dispute related to a hydroelectric power plant.
In his regulatory work, Mr. Geffert frequently assesses retail tariffs and compensation for owning transmission and distribution assets. He also analyzes competition and market power potential. He helps run NERA’s Marginal Cost Working Group.
Title | Type | Author | ||
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Could Mexico’s Capacity Market Design Lead to Gaming by Generators? | Published Article | Kurt G. Strunk and Willis Geffert | ||
NERA Electricity Insights | Q4 2017 | Report | Scott J. Bloomberg | ||
NERA Electricity Insights | Q3 2017 | Report | Scott J. Bloomberg | ||
An Economic Assessment of Contracts in International Arbitration | Published Article | Willis Geffert et al. | ||
Beyond net metering: A model for pricing services provided by and to distributed gene... | Published Article | Kurt G. Strunk and Willis Geffert | ||
Getting Ready for Competition in Japan: Lessons Learned from Abroad | Published Article | Sean Gammons, Willis Geffert, et al. | ||
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Title | Date | |||
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Marginal Cost Working Group—Now Virtual | 03 March 2021 | |||
The Summer 2019 Marginal Cost Working Group Workshop | 26 June 2019 | |||
CRRI’s 37th Annual Eastern Conference: Advanced Workshop on Regulation and Competitio... | 06 June 2018 | |||
CRRI’s 2017-2018 Advanced Workshop on Regulation and Competition in Network Industrie... | 12 January 2018 | |||
Marginal Cost Working Group: A Forum for Energy Rate Design Innovation—Fall 2017 Meet... | 16 November 2017 | |||
Latin Lawyer-GAR Live Arbitration Summit | 27 April 2017 | |||
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Title | Date | Type | ||
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NERA Economic Consulting Announces Associate Director Promotions | 05 August 2019 | Press Release | ||
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