Participating Companies
A - C
- AES Ohio
- Alaska Electric Light & Power Co.
- Alinta Energy
- ALLETE
- Alliant Enegry Corporation
- Alpena Power Company
- Ameren Services
- American Electric Power Company, Inc.
- APS
- Areva T&D
- Ascendant Group LTD
- Austin Energy
- Avista Corporation
- Azerbaijan Regional Electric Company
- Bahamas Electricity Corporation
- Barbados Light and Power Company, Ltd.
- Basin Electric Power Cooperative
- BC Hydro and Power Authority
- Black Hills Corporation
- Bonneville Power Administration
- Braintree Electric Light Department
- Bryan Texas Utilities
- California American Incorporated
- Canadian Utilities, Ltd.
- CPPIB
- CenterPoint Energy
- Chelan County PUD
- China Light and Power Company, Ltd.
- Chubu Electric Power Company, Inc.
- CISCO
- Cleco
- Colorado Springs, City of
- Colorado Springs Utilities
- Consumers Energy
- CPS Energy
D - J
- Duquesene Light
- Dynegy
- Ecova
- Edison Electric Institute
- Edmonton, City of
- El Paso Electric Company
- Electricity Generating Authority of Thailand
- Energy Northwest
- Energy West, Inc.
- ENMAX Corporation
- Entergy Corporation
- EPCOR
- EPIS, Inc.
- Equitable Resources
- Essential Power
- Eugene Water and Electric Board
- Fayetteville PWC
- FirstEnergy Corp.
- Fortis BC
- General Electric Company
- Grant County PUD
- Groton Utilities
- Hawaiian Electric Company
- Iberdrola USA
- IBM
- Idaho Power Company
- Idaho Falls Power
- Integrys Business Support
- Intermountain Gas Company
- Jefferson County PUD
- J.R. Simplot
K - O
- Kansas City Power and Light
- Kootenai Electric Cooperative
- Los Angeles Department of Water and Power
- Lower Colorado River Authority
- MidAmerican Energy Holdings Company
- Midwest Reliability Organization
- Minnesota Power, Inc.
- Montana-Dakota Utilities
- National Grid USA Service Company, Inc.
- Natural Resources Defense Council
- New Jersey Resources
- NiSource, Inc.
- Northern Lights, Inc.
- Northwest Territories Power Corporation
- NorthWestern Energy
- NSTAR
- NuScale Power
- NW Natural
- OGE Energy Corporation
- Okinawa Electric Power Company, Inc.
- Omaha Public Power District
- Orbital Engineering, Inc.
- Otter Tail Power Company
P - S
- Pedernales Electric Cooperative
- Peoples Gas
- Pepco Holdings, Inc.
- Perennial Power Holdings
- PG&E Corporation
- Pinnacle West Capital Corporation
- PJM Interconnection, LLC
- Platte River Power Authority
- Plymouth Utilities
- PNM Resources, Inc.
- Portland General Electric Company
- Power Engineers
- PSE&G
- Puget Sound Energy
- Reliability First
- Sabah Electricity Board
- Sacramento Municipal Utility District
- Salt River Project Power District
- SAS
- SaskPower
- Schweitzer Engineering Laboratories
- Scottish Power
- Seattle City Light
- Seminole Electric Cooperative, Inc.
- Sempra Energy
- Skamania PUD
- Snohomish County PUD
- Southern Company
- Southwest Gas Corporation
- SouthWest Water Company
- SWALEC