Tree Line USA Utilities
Updated June 2023. Next Update: June 2024.
Tree Line Listing for 2015
| 4-County Electric Power Association (MS) |
| AEP Public Service Company of Oklahoma (OK) |
| Alliant Energy (IA) |
| Ameren (MO) |
| American Transmission Company (WI) |
| Anaheim Public Utilities (CA) |
| Appalachian Electric Cooperative (TN) |
| Arizona Public Service (AZ) |
| Atlantic City Electric (NJ) |
| Austin Energy (TX) |
| Avista Utilities (WA) |
| Batavia Municipal Electric Utility (IL) |
| Bath Electric Gas & Water (NY) |
| Benton Public Utility District (WA) |
| Benton Rural Electric Association (REA) (WA) |
| Blue Grass Energy (KY) |
| Boone Electric Cooperative (MO) |
| Bowling Green Municipal Utilities (KY) |
| Brigham City Public Power (UT) |
| Bristol Tennessee Essential Services (TN) |
| Brownsville Public Utilities Board (TX) |
| Carroll Electric Cooperative Corp. (AR) |
| Carthage Water & Electric Plant (MO) |
| CDE Lightband (TN) |
| Centerpoint Energy (TX) |
| Central Maine Power Company (ME) |
| Central Wisconsin Electric Cooperative (WI) |
| Chugach Electric Association (AK) |
| Citizen's Electric Company (PA) |
| City of Independence Power & Light (MO) |
| City of Lompoc Electric Utility (CA) |
| City of Oak Ridge Electric Department (TN) |
| City of Palo Alto Utilities (CA) |
| City of Rocky Mount (NC) |
| City of Westerville Electric Division (OH) |
| City of Winter Park (Winter Park Electric) (FL) |
| City Utilities of Springfield (MO) |
| Clark Public Utilities (WA) |
| Cleveland Utilities (TN) |
| Clinton Utilities Board (TN) |
| Colorado Springs Utilities (CO) |
| Columbia Water & Light (MO) |
| ConEdison (NY) |
| Consolidated Electric Cooperative Inc. (OH) |
| Cookeville Electric Department (TN) |
| Crawford Electric Cooperative (MO) |
| Cuivre River Electric Cooperative (MO) |
| Cuyahoga Falls Electric Dept. (OH) |
| Delmarva Power (DE) |
| Dominion Virginia Power (VA) |
| Duck River Electric Membership Corp (TN) |
| Duke Energy Florida (FL) |
| Duquesne Light Company (PA) |
| Dyersburg Electric System (TN) |
| East Central Energy (MN) |
| Edmond Electric (OK) |
| Empire District Electric Company (MO) |
| Entergy Corp (LA) |
| Eugene Water & Electric Board (OR) |
| FirstEnergy Corp (OH) |
| Florida Keys Electric Cooperative (FL) |
| Florida Keys Electric Cooperative (FL) |
| Fort Loudon Electric Cooperative (TN) |
| Gaffney Board of Public Works (SC) |
| Garland Power & Light (TX) |
| Georgia Power Company (GA) |
| Gibson Electric Membership Corp (TN) |
| Golden Valley Electric Assoc (AK) |
| Hutchinson Utilities (MN) |
| Idaho Power Company (ID) |
| Indianapolis Power & Light (IN) |
| Itasca-Mantrap Electric Cooperative (MN) |
| ITC Midwest (IA) |
| ITC-Michigan (MI) |
| JEA (Jacksonville Electric Authority) (FL) |
| Johnson City Power Board (TN) |
| Kansas City Power & Light Company (MO) |
| Knoxville Utilities Board (TN) |
| Lansing Board of Water & Light (MI) |
| Lincoln Electric System (NE) |
| Madison Gas and Electric Company (WI) |
| Massena Electric Dept (NY) |
| Matanuska Electric Association (AK) |
| Mecklenburg Electric Cooperative (VA) |
| Menasha Utilities (WI) |
| MidAmerican Energy (IA) |
| Milan Public Utilities (TN) |
| Mishawaka Utilities Electric Division (IN) |
| Morristown Utility Systems (TN) |
| Nashville Electric Service (TN) |
| National Grid (NY) |
| Nebraska City Utilities (NE) |
| Nebraska Public Power District (NE) |
| Northern Indiana Public Service Company (IN) |
| Ocala Electric Utility (FL) |
| Oklahoma Electric Cooperative (OK) |
| Oklahoma Gas & Electric (OK) |
| Omaha Public Power District (NE) |
| Oncor Electric Delivery (TX) |
| Orange & Rockland Utilities (NY) |
| Orlando Utilities Commission (FL) |
| Owen Electric Cooperative (KY) |
| Pacific Gas & Electric Co. (CA) |
| PacifiCorp (OR) |
| Pasadena Water & Power (CA) |
| People's Eletric Cooperative (OK) |
| Pepco (DC) |
| Pierce Pepin Cooperative Services (WI) |
| Pioneer Electric Cooperative (OH) |
| Provo City Power (UT) |
| PSE&G (NJ) |
| PSEG Long Island (NY) |
| PUD 1 of Chelan County (WA) |
| Puget Sound Energy (WA) |
| Pulaski Electric System (TN) |
| Ralls County Electric Cooperative (MO) |
| Rappahannock Electric Cooperative (VA) |
| Redding Electric Utility (CA) |
| Richland Electric Cooperative (WI) |
| Richland Energy Service (WA) |
| Rochester Public Utilities (RPU) (MN) |
| Salt River Project (AZ) |
| San Diego Gas & Electric (CA) |
| Seattle City Light (WA) |
| Shawano Municipal Utility (WI) |
| Snohomish County PUD 1 (WA) |
| Southern California Edison (CA) |
| Stoughton Utilities (WI) |
| Sumter Electric Cooperative (SECO) (FL) |
| Tacoma Power (WA) |
| Talquin Electric Cooperative (FL) |
| Tampa Electric Company (TECO) (FL) |
| Todd-Wadena Electric Cooperative (MN) |
| Tullahoma Utilities Board (TN) |
| Union Power Cooperative (NC) |
| Vectren Energy Delivery (IN) |
| Vermont Electric Power Company (VT) |
| Wake Forest Power (NC) |
| Waverly Light & Power (Waverly Utilities) (IA) |
| WE Energies (WI) |
| Westar Energy (KS) |
| Wisconsin Public Service (WI) |
| Xcel Energy (MN) |