Alabama
Alabama Power
PowerSouth Energy Cooperative, Inc.
Wiregrass Electric Cooperative Alaska
Golden Valley Electric Association
Chugach Electric Association
Copper Valley Electric Association
Municipal Light & Power
Kodlak Electric Association Arizona
Arizona Public Service (APS)
Salt River Project
Tuscon Electric Power Arkansas
Entergy California
Azusa Light & Water
East Bay Municipal Utility District
Glendale Public Service Department
Gridley Municipal Utilities
Healdsburg Municipal Electric Department
Los Angeles Department of Water and Power
Nevada Irrigation District
Pacific Gas & Electric (PGE)
Pacific Power
Riverside Public Utilities
Sacramento Municipal Utility District
Santa Clara Electric Department
San Diego Gas & Electric (SDG&E)
Sierra-Pacific Power
Southern California Edison
Southern California Public Power Authority
Pasadena Water & Power
Burbank Water & Power
Anaheim Public Utilities Colorado
Xcel Energy Connecticut
Northeast Utilities
United Illuminating Delaware
Delaware Power & Light
(Subsidiary of Pepco Holdings) Disctrict of Columbia
PEPCO Florida
Florida Power & Light
TECO
Progress Energy Florida
Lake Worth Utilities
Guld Power Co.
Kissimmee Utility Authoriy
Ocala Elecric
Florida Public Utility Company
Palm Peach
Florida Municipal Power Agency
LCEC Georgia
Georgia Power
(part of Southern Company)
Flint Energy Hawaii
Hawaiian Electric Industries (HECO) Idaho
IDACORP
Clearwater Power
PacifiCorp (Rocky Mountain Power) Illinois
Ameren
City Water
Light & Power
ComEd
Indiana
Duke Energy
Cinergy Corporation
Indianapolis Power & Light
Northern Indiana Public Service Company
American Electric Power
Iowa
MidAmerican Energy
Alliant Energy Kansas
Kansas City Power & Light
Westar Energy
Kansas City Board of Public Utilities Kentucky
Kentucky Utilities
Louisville Gas & Electric
Cinergy Corporation
American Electric POwer
Owensboro Municipal Utilities Louisiana
SWEPCO
Entergy
CLECO Maine
Central Maine Power
Bangor Hydro Electric Maryland
Baltimore Gas & Electric
PEPCO
SOuthern Maryland Electric Cooperative
Allegheny Power
Conectiv (Pepco Holdings, Inc.)
Choptank Massachusetts
NSTAR
Northeast Utilities
National Grid
Massachusetts Electric
Berkshire Company (WMECO)
Nantucket Electric Michigan
Consumers Energy
DTE Energy (Detroit Edison)
We Energies
American Electric Power
Wyandotte Municipal Services
Holland Board of Public Works
Lansing Board of Water & Light Mississippi
Entergy
Southwest Mississippi Electric Power Association
Magnolia Electric
Mississippi Power Company
Southern Company Minnesota
Xcel Energy
Great River Energy
Minnkota Power Cooperative
Basin Electric Power Cooperative
Dairyland Power Coop
East River Electric Power Co-op
Hutchinson Utilities Commission
Interstate Power and Light Company
L&O Power Co-op
Marshall Municipal Utilities
Minnesota Power
Minnetonka Power Co-op
Missouri River Energy
Otter Tail Power Company
Rochester Public Utilities Commission
Southern Minnesota Municipal Power Agency
Willmar Municipal Utilities
Freeborn-Mower Co-op Services
People's Co-op Tri-County Electric
Missouri
Ameren
Kansas City Power & Light
Empire District Electric
Aquila
City Utilities of Springfield
Independence Power and Light Montana
Northwestern Energy
Montana-Dakota Utilities
Central Montana Electric Power Cooperative
Montana Electric Cooperatives' Association Nebraska
Omaha Public Power District
Nebraska Public Power District Nevada
Nevada Power
Sierra Pacific Power New Hampshire
Northeast Utilities
National Grid New Jersey
Atlantic City Electric
Public Service Electric and Gas Company
Northeast Utilities
First Energy
Jersey Central Power and Light Company
Vineland Municipal Electric Utility
Sussex Rural Electric Cooperative New Mexico
Public Service Company of New Mexico New York
CH Energy Group
Central Hudson Gas & Electric
Consolidated Edison Company of New York
Long Island Power Authority
Northeast Utilities
National Grid
New York State Electric & Gas
Rochester Gas & Electric North Dakota
Xcel Energy
Otter Tail Power Company
Montana Dakota Utilities
Central Power Electric Cooperative
Miinkota Power Cooperative
Basin Electric Power Cooperative
Upper Missouri G&T Cooperative Ohio
Cinergy Corporation
First Energy
Cleveland Electric Illuminating Company
Ohio Edison
Toledo Edison
American Electric Power
Dayton Power & Light
South Central Power Company
Consolidated Electric Cooperative Oklahoma
Oklahoma Gas & Electric
Public Service Company of Oklahoma
(Part of American Electric Power) Oregon
Columbia River Public Utility District
Eugene Water and Electric Board
PacifiCorp (Pacific Power)
Portland General Electric
West Oregon Electric Cooperative Pennsylvania
Northeast Utilities
Rural Valley Electric Co.
First Energy
PECO
Allegheny Power
PPL
Puerto Rico
Autoridad de Energia
EcoElectrica Rhode Island
Northeast Utilities
National Grid South Carolina
Santee Cooper
Duke Energy
Central Electric Power Cooperative, Inc.
Dominion Energy South Dakota
Xcel Energy
Otter Tail Power Company
Montana-Dakota Utilities
Northwestern Enerrgy
Black Hills Power
East River Electric Cooperative
Rushmore Eletric Cooperative Tennessee
Citizens Utilities Board
Electric Power Board
Knoxville Utilities Board
Kingsport Power (Appalachian Power)
Lenoir City Utilities Board
Memphis Light, Gas and Water
Nashville Electric Service
Tennessee Valley Authority Texas
Austin Energy
CPS Energy
dPi Energy
Electric Database Publishing
Garland Power and Light
Luminant
Reliant Energy
CenterPoint Energy
Texas Electric Service Company
American Electric Power
Lower Colorado River Authority
Oncor Electric (Formerly TXU)
Cosery Electric
Denton Municipal Electric
Entergy Utah
Intermountain Power Agency
PacifiCorp (Rocky Mountain Power) Vermont
Central Vermont Public Service
Green Mountain Power Virginia
Dominion Energy
Rapahannock Electric Cooperative
Allegheny Power (subsidiary of Pepco Holdings, Inc.)
Conectiv
Appalachian Power Washington
PacifiCorp (Pacific Power)
Puget Sound Energy
Seattle City Light
Snohomish County Public Utility District (PUD)
Mason County Public Utility District 3
Klickitat Public Utility District
Avista Utilities West Virginia
Allegheny Power
Appalachian Power
Wheeling Electric Power (AEP Ohio) Wisconsin
We Energies
Wisconsin Public Service Corporation
Xcel Energy
Wisconsin Power & Light Wyoming
PacifiCorp (Rocky Mountain Power
Lower Valley Energy