Private Corporations
- Synthetic Genomics, Inc.
- Luz Solar
- Skyfuel
- U.S. Windpower
- California Energy Company
- Northwest Power Company
- Development, Innovation, Technology Transfer
- Pacific Gas and Electric Company
- Henwood Energy Services
- Pacific Lighting Energy Systems
- Western States Petroleum Association
- Shell Oil Company (U.S.A.)
- Industrial Indemnity Financial Corporation
- Global Business Network
Non-Governmental Organizations
- Center for Energy Efficiency and Renewable Technologies
- David and Lucile Packard Foundation
- Natural Resources Defense Council
- Public Policy Institute of California
- Environment Now
- Sierra Club California
- Pacific Rivers Council
- Earth Action International
- Common Ground Communities
- Marin Conservation League
- World Resources Institute
- South Yuba River Citizens League
- Restore Hetch Hetchy
- Risky Business Project
Public Agencies
- California Energy Commission
- California Public Utilities Commission
- California Resources Agency
- California Department of Conservation
- City of Redding Municipal Utility
- City of Palo Alto Municipal Utility
- U.S. Agency for International Development
- Water and Power Development Authority of Pakistan
- Water and Environment Center, Japanese Ministry of Construction
- Batam Industrial Development Authority, Government of Indonesia
- U.S. Department of Energy and Electric Power Research Institute
- County of Imperial
- San Diego Association of Governments