At the request of many of our visitors, we maintain an online directory of U.S. investor-owned utilities. All of these references are involved in environmental research and the efforts to reduce greenhouse gas emissions.

U.S. Investor-Owned Utilities

• Allegheny Power 

• Ameren

• AmerenIP Corporation

• Baltimore Gas and Electric 

• ConEdison, Inc  

• Cinergy Corp

• Conectiv Power Delivery 

• Detroit Edison & MichCon

• Dominion

• Duquesne Light 

• Duke Power

• Exelon 

• El Paso

• Empire District Electric Company

• First Energy Corp 

• GE Energy

• Green Mountain Power 

• Hawaiian Electric Industries 

• IPL, an AES company 

• Kansai Electric Power Co. Inc. 

• Midamerican Energy 

• New York State Electric and Gas 

• Northeast Utilities 

• PacifiCorp 

• Sacramento Municipal Utility District 

• San Diego Gas & Electric Company 

• Southern California Edison Corporation 

• Tenaska 

• TransAlta Corporation 

• Westar Energy

• Xcel Energy

If you would like to have your organization added to this directory, please send an inquiry to IUEP using our automated link request form. Click here to submit your link.