Member Companies
AEP Texas Central Company
AEP Texas North Company
Appalachian Power Company
Columbus Southern Power
Indiana Michigan Power
Kentucky Power Company
Ohio Power Company
Public Service of Oklahoma
SW Electric Power Company

Duke Energy Carolinas, Inc.
Duke Energy Indiana, Inc.
Duke Energy Kentucky, Inc.
Duke Energy Ohio, Inc.

Entergy Arkansas, Inc.
Entergy Gulf States Louisiana, LLC
Entergy Louisiana, LLC
Entergy Mississippi, Inc.
Entergy New Orleans, Inc.
Entergy Texas, Inc.

Atlantic City Electric Company
Delmarva Power & Light Company
Potomac Electric Power Company

Progress Energy Carolinas, Inc.
Progress Energy Florida, Inc.
Allegheny Power Service Corp.
Monongahela Power Company
The Potomac Edison Company

Alabama Power Company
Georgia Power Company
Gulf Power Company
Mississippi Power Company
Southern Company Services
Southern Nuclear Operating
Company Inc.

Kentucky Utilities Company
Louisville Gas & Electric Company

Virginia Electric and Power Company

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