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A partial list of E3 clients

North American investor-owned utilities

American Electric Power
Commonwealth Edison
Cleveland Electric Illuminating Company
Consolidated Edison (Con Edison)
Dominion Energy
El Paso Electric Company
FirstEnergy Corp.
Florida Power Company
Hawaiian Electric Company
Idaho Power
Kansas City Power and Light Company
National Grid
Nevada Power
New Mexico Power Company
New York State Electric and Gas Corporation
Niagara Mohawk Power Company
Oklahoma Gas and Electric Company
Orange and Rockland Utilities
Pacific Gas and Electric Company
Peninsula Light and Power
Philadelphia Electric Company
Public Service Company of New Mexico
Puget Sound Energy
San Diego Gas & Electric Company
Southern California Gas Company
Southern California Edison
Sierra Pacific Power
Southern Company
We Energies

North American publicly owned utilities

State of Alaska
Alameda Power and Telecom
BC Hydro
British Columbia Transmission Corporation
Chelan County Public Utility District
City of Palo Alto Utilities
Coos-Curry Electric Cooperative
East Bay Municipal Utilities District
Emerald People’s Utility District
Hydro-Québec TransÉnergie
Los Angeles Department of Water and Power (LADWP)
London Hydro
Lower Valley Energy Cooperative
Memphis Light, Gas and Water
Nashville Electric Service
Newmarket Hydro
New York Power Authority
North Bay Hydro
Oklahoma Municipal Power Authority
Seattle City Light
Sacramento Municipal Utilities District
San Francisco Public Utilities Commission – Hetch Hetchy
Seminole Electric Cooperative
Southern California Water Company
Salt River Project
Utilities Commission, New Smyrna Beach
Umatilla Electric Cooperative
Vaughn Hydro

Electricity buyers, generation investors, & energy service companies

Bright Source Energy
British Petroleum Alternative Energy
Calpine Corporation
Canadian Association of Petroleum Producers (CAPP)
Clarus Energy
First Solar
Fotowatio Renewable Ventures
Florida Crystals
Hydrogen Energy International LLC
Macquarie Capital
Northern California Power Authority
Onsite Sycom
Ontario Power Generation
Pacific Northwest Generating Cooperative
Parsons Corporation
Sumitomo Electric
Worley Parsons

Nonprofits and government agencies

Asia Society
Alaska State Legislature
Bonneville Power Administration
California Air Resources Board (CARB)
California Energy Commission (CEC)
California Independent System Operator (CAISO)
California Public Utilities Commission (CPUC)
City of Seattle
ClimateWorks Foundation
Colorado Public Utilities Commission
Electric Power Research Institute
Golden Gate National Recreation Area
Idaho State Legislature
Lawrence Berkeley National Laboratories (LBNL)
National Association of Regulatory Utility Commissioners (NARUC)
National Park Service
National Renewable Energy Laboratory (NREL)
Natural Resources Defense Council (NRDC)
New York State Energy Research and Development Authority (NYSERDA)
Ontario Power Authority
Regulatory Assistance Project
San Francisco Public Utilities Commission
Sonoma County Assessor
Tennessee Valley Authority
Transmission Association of Northern California
The Energy Foundation
University of California, Office of the President (UCOP)
University of California, Davis
University of California, Santa Barbara
U.S. Trade and Development Agency (USTDA)
Vermont Department of Public Service
Vermont Public Service Commission
Virginia’s Commitment
Western Electricity Coordinating Council (WECC)
World Bank
York Region District School Board

Law firms

Arnold & Porter
Bracewell & Giuliani
Davis, Wright and Tremaine
Dewey Balentine
Faskin Martineau DuMoulin
Hyland & Watson
Lawson Lundell
O’Melveny & Meyers
Shibley and Righton

Overseas entities

China Light and Power (Hong Kong)
Exxon Mobil (Hong Kong)
Hong Kong Electric
Israel Electric Company
Korea Electric Power Corporation (KEPCO)
Macau Electric Company
Mitsubishi Research Institute
South Africa Industrial Development Corporation (IDC)
Sumitomo Electric
Tata Power Delhi Distribution Limited (TPDDL)