Tree Line USA Utilities
Updated June 2024. Next Update: June 2025.
Tree Line Listing for 2005
| AEP Public Service Company of Oklahoma (Oklahoma) |
| AEP SWEPCO (Arkansas, Louisiana, Texas) |
| AEP Texas Central Company (Texas) |
| AEP Texas North Company (Texas) |
| Alabama Power Company (Alabama) |
| Alliant Energy (Illinois, Iowa, Minnesota, Wisconsin) |
| Ameren (Illinois, Missouri) |
| Arizona Public Service (Arizona) |
| Austin Energy (Texas) |
| Azusa Light and Water (California) |
| Baltimore Gas and Electric (Maryland) |
| Bath Electric, Gas & Water Systems (New York) |
| Benton Public Utility District (Washington) |
| Boone Electric Cooperative (Missouri) |
| Brigham City Light & Power (Utah) |
| Bristol Tennessee Electric System (Tennessee) |
| Brownsville Public Utilities Board (Texas) |
| Buckeye Rural Electric (Ohio) |
| Burbank Water and Power (California) |
| Carthage Water & Electric (Missouri) |
| CenterPoint Energy (Texas) |
| Central Vermont Public Service (Vermont) |
| Chelan County PUD #1 (Washington) |
| Chicopee Electric Light (Massachusetts) |
| Choptank Electric Cooperative (Maryland) |
| Chugach Electric Association (Alaska) |
| Citizens' Electric Company (Pennsylvania) |
| City of Anaheim Public Utilities (California) |
| City of Batavia Municipal Electric Utility (Illinois) |
| City of Forest Grove Light & Power (Oregon) |
| City of Lompoc Utility Services (California) |
| City of New Roads (Louisiana) |
| City of Redding Electric Utility (California) |
| City of St. Charles (Illinois) |
| City of Stoughton Utilities (Wisconsin) |
| City of Tallahassee Electric (Florida) |
| City of Westerville Electric Division (Ohio) |
| City Public Service of San Antonio (Texas) |
| City Utilities of Springfield (Missouri) |
| City Water, Light & Power (Illinois) |
| Clark Public Utilities (Washington) |
| Cleco Power LLC (Louisiana) |
| Cleveland Utilities (Tennessee) |
| Clinton Utilities Board (Tennessee) |
| Colorado Springs Utilities (Colorado) |
| Columbia Water & Light Department (Missouri) |
| ComEd (Illinois) |
| Conectiv Power Delivery (Delaware, Maryland, New Jersey, Virginia) |
| Consumers Power Inc. (Oregon) |
| Cookeville Electric Department (Tennessee) |
| Crawford Electric Cooperative (Missouri) |
| Cuivre River Electric Cooperative (Missouri) |
| Cuyahoga Falls Electric Department (Ohio) |
| Delaware Electric Cooperative (Delaware) |
| Delmarva Power & Light (Delaware & Maryland) |
| Detroit Edison (Michigan) |
| Duck River Electric Membership Corporation (Tennessee) |
| Duquesne Light Company (Pennsylvania) |
| Dyersburg Electric Systems (Tennessee) |
| East Central Energy (Minnesota, Wisconsin) |
| Edmond Electric (Oklahoma) |
| Entergy Corporation (Arkansas, Louisiana, Mississippi, Texas) |
| First Energy Corporation (New Jersey, Ohio, Pennsylvania) |
| Florida Power & Light Company (Florida) |
| Gaffney Board of Public Works (South Carolina) |
| Gainesville Regional Utilities (Florida) |
| Golden Valley Electric Association (Alaska) |
| Hartford Electric (Wisconsin) |
| Idaho Power Company (Idaho, Oregon) |
| Independence Power & Light (Missouri) |
| Indianapolis Power & Light Company (Indiana) |
| Joe Wheeler Electric Membership Corporation (Alabama) |
| Johnson City Power Board (Tennessee) |
| Kansas City Power and Light (Missouri) |
| Knoxville Utilities Board (Tennessee) |
| Lakeland Electric (Florida) |
| Lansing Board of Water & Light (Michigan) |
| Lincoln Electric System (Nebraska) |
| Long Island Power Authority (New York) |
| Los Angeles Department of Water & Power (California) |
| Madison Gas and Electric Company (Wisconsin) |
| Massena Electric Department (New York) |
| Matanuska Electric Association (Alaska) |
| MidAmerican Energy Company (Illinois, Iowa, Nebraska, South Dakota) |
| Mishawaka Utilities (Indiana) |
| Montana-Dakota Utilities Company ( Montana, North Dakota, South Dakota, Wyoming) |
| Morristown Utility Systems (Tennessee) |
| National Grid USA (Massachusetts, New Hampshire, New York, Rhode Island, Vermont) |
| Nebraska City Utilities (Nebraska) |
| Nebraska Public Power (Nebraska) |
| New York State Electric and Gas (New York) |
| Northern Indiana Public Service Company (Indiana) |
| NSTAR Electric (Massachusetts) |
| Ocala Electric Utility (Florida) |
| OG&E Electric Services (Arkansas, Oklahoma) |
| Omaha Public Power District (Nebraska) |
| Opelika Light and Power Department (Alabama) |
| Orange and Rockland Utilities (New Jersey, New York, Pennsylvania) |
| Orlando Utilities Commission (Florida) |
| Owensboro Municipal Utilities (Kentucky) |
| Pacific Gas & Electric Company (California) |
| PacifiCorp (California, Idaho, Oregon, Utah, Washington, Wyoming) |
| Pasadena Water and Power (California) |
| PECO (Pennsylvania) |
| Peninsula Light Company (Washington) |
| People's Electric Cooperative (Oklahoma) |
| PEPCO (District of Columbia, Maryland) |
| Pierce Pepin Cooperative Services (Wisconsin) |
| Pioneer Electric Cooperative (Ohio) |
| PPL Corporation (Pennsylvania) |
| Provo City Power (Utah) |
| Public Service Company of New Mexico (New Mexico) |
| Puget Sound Energy (Washington) |
| Rappahannock Electric Cooperative (Virginia) |
| Richland Electric Cooperative (Wisconsin) |
| Richland Energy Services (Washington) |
| Richmond Power & Light (Indiana) |
| Riverside Public Utility Department (California) |
| Rochester Gas & Electric Corporation (New York) |
| Ruston Light & Power (Louisiana) |
| Sacramento Municipal Utility District (California) |
| Salt River Project (Arizona) |
| San Diego Gas and Electric Company (California) |
| San Luis Valley Rural Electric Cooperative, Inc. (Colorado) |
| Shawano Municipal Utilities (Wisconsin) |
| Snohomish County PUD (Washington) |
| Southern California Edison Company (California) |
| Tacoma Power (Washington) |
| TXU Electric Delivery (Texas) |
| Union Power Cooperative (North Carolina) |
| Upper Peninsula Power Company (Michigan) |
| Vernon Electric Cooperative (Wisconsin) |
| Village of Rantoul (Illinois) |
| Waverly Light & Power (Iowa) |
| Wayne-White Counties Electric Cooperative (Illinois) |
| We Energies (Michigan, Wisconsin) |
| Westar Energy (Kansas) |
| Wisconsin Public Service Corporation (Michigan, Wisconsin) |
| Xcel Energy (CO, KS, MI, MN, ND, NM, OK, SD, TX, WI) |