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Our Members
and Participants

Midwest Ozone Group


Ameren Corporation

Ameren Illinois

Ameren Missouri

Ameren Transmission

American Electric Power System

Appalachian Power Company

AEP Generating Company

AEP Generation Resources Inc.

Columbus Southern Power Company

Indiana Michigan Power Company

Kentucky Power Company

Ohio Power Company

Public Service Company of Oklahoma

Southwestern Electric Power Company

Wheeling Power Company

American Forest and Paper Association

American Iron and Steel Institute

American Wood Council

Appalachian Region Independent Power Producers Association

Associated Electric Coop.

Berkshire Hathaway Energy


Mid American Energy Company

NV Energy

Big Rivers Electric Corp.

Buckeye Power, Inc.

Citizens Energy Group

Cleveland Cliffs

Council Of Industrial Boiler Owners (CIBO)

Duke Energy Corp.

East Kentucky Power Cooperative


FirstEnergy Corp.

Hoosier Energy REC

Indiana Energy Association

Indiana-Kentucky Electric Corporation

Indiana Municipal Power Agency

Indiana Utility Group


Marathon Petroleum Company

National Lime Association

North American Stainless

Nucor Corporation

Ohio Utility Group

Ohio Valley Electric Corp.

Olympus Power

Springfield (IL) City Water, Light & Power

Steel Manufacturers Association

Wabash Valley Power Alliance

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