Tree Line USA Utilities

Updated June 2024. Next Update: June 2025.

2020

• Huntsville Utilities (AL)
• Alabama Power Company (AL)
• Golden Valley Electric Association (AK)
• Chugach Electric Association (AK)
• Matanuska Electric Association (AK)
• Arizona Public Service (AZ)
• Salt River Project (AZ)
• Carroll Electric Cooperative Corporation (AR)
• City of Palo Alto Utilities (CA)
• City of Lompoc Electric Utility (CA)
• Anaheim Public Utilities (CA)
• San Diego Gas & Electric Co (CA)
• Sacramento Municipal Utility District (CA)
• Pacific Gas & Electric (CA)
• Redding Electric Utility (CA)
• Colorado Springs Utilities (CO)
• Delmarva Power an Exelon Company (DE)
• Pepco (DC)
• Talquin Electric Cooperative (FL)
• Winter Park Electric (FL)
• JEA (FL)
• Florida Keys Electric Cooperative (FL)
• Tampa Electric Company (FL)
• Sumter Electric Cooperative Inc (FL)
• Duke Energy Florida (FL)
• Orlando Utilities Commission (FL)
• Georgia Power Company (GA)
• Idaho Power Company (ID)
• City of Naperville Electric Utility (IL)
• ComEd (IL)
• Duke Energy Indiana (IN)
• Tipmont REMC (IN)
• Vectren Energy Delivery (IN)
• Indianapolis Power and Light (IN)
• Mishawaka Utilities (IN)
• Northern Indiana Public Service Company (IN)
• ITC Midwest (IA)
• Waverly Utilities (IA)
• MidAmerican Energy Company (IA)
• Alliant Energy (IA)
• Duke Energy Kentucky (KY)
• Blue Grass Energy (KY)
• Bowling Green Municipal Utilities (KY)
• ITC Michigan (MI)
• Rochester Public Utilities (MN)
• East Central Energy (MN)
• Xcel Energy (MN)
• Cooperative Energy (MS)
• Evergy (MO)
• Kirkwood Electric (MO)
• Liberty- Central (MO)
• Ralls County Electric Cooperative (MO)
• Carthage Water & Electric Plant (MO)
• Boone Electric Cooperative (MO)
• Crawford Electric Cooperative (MO)
• Cuivre River Electric Cooperative (MO)
• Ameren (MO)
• Independence Power and Light (MO)
• Columbia Water and Light (MO)
• City Utilities of Springfield (MO)
• Lincoln Electric System (NE)
• Nebraska Public Power District (NE)
• Nebraska City Utilities (NE)
• Omaha Public Power District (NE)
• FirstEnergy- New Jersey (NJ)
• Atlantic City Electric (NJ)
• PSEG Long Island (NY)
• Consolidated Edison Company of New York (NY)
• Town of Massena Electric Department (NY)
• Orange and Rockland Utilities (NY)
• National Grid USA (NY)
• Duke Energy Carolinas (NC)
• Duke Energy Progress (NC)
• Wake Forest Power (NC)
• Union Power Cooperative (NC)
• Rocky Mount (NC)
• Duke Energy Ohio (OH)
• Consolidated Electric Cooperative Inc. (OH)
• Pioneer Electric Cooperative (OH)
• Cuyahoga Falls Electric Dept. (OH)
• City of Westerville Electric (OH)
• First Energy Corporation (OH)
• Oklahoma Electric Cooperative (OK)
• People's Electric Cooperative (OK)
• Edmond Electric (OK)
• Oklahoma Gas and Electric (OK)
• AEP Public Service Company of Oklahoma (OK)
• PacifiCorp (OR)
• Citizens' Electric Company (PA)
• FirstEnergy Pennsylvania (PA)
• PECO Energy Company (PA)
• Duquesne Light Company (PA)
• Duke Energy Carolinas (SC)
• Duke Energy Progress (SC)
• Gaffney Board of Public Works (SC)
• Middle Tennessee Electric Membership Corporation (TN)
• City of Oak Ridge Electrical Department (TN)
• Fort Loudoun Electric Cooperative (TN)
• CDE Lightband (TN)
• Pulaski Electric System (TN)
• Sevier County Electric System (TN)
• Tullahoma Utilities Authority (TN)
• Milan Public Utilities (TN)
• Gibson Electric Membership Corp (TN)
• Nashville Electric Service (TN)
• Appalachian Electric Cooperative (TN)
• Cookeville Electric Department (TN)
• BrightRidge (TN)
• Morristown Utility Systems (TN)
• Clinton Utilities Board (TN)
• Knoxville Utilities Board (TN)
• Bristol Tennessee Essential Services (TN)
• Cleveland Utilities (TN)
• Garland Power & Light (TX)
• CenterPoint Energy (TX)
• Brownsville Public Utilities Board (TX)
• Austin Energy (TX)
• Oncor Electric Delivery (TX)
• Murray City Power (UT)
• Brigham City Public Power (UT)
• Provo City Power (UT)
• Vermont Electric Power Company (VT)
• Shenandoah Valley Electric Cooperative (VA)
• A & N Electric Cooperative (VA)
• Mecklenburg Electric Cooperative (VA)
• Dominion Virginia Power (VA)
• Rappahannock Electric Cooperative (VA)
• Cowlitz PUD (WA)
• Benton Rural Electric Association (WA)
• Seattle City Light (WA)
• Avista Utilities (WA)
• Tacoma Power (WA)
• Richland Energy Service (WA)
• Snohomish County PUD 1 (WA)
• Puget Sound Energy (WA)
• Benton Public Utility District (WA)
• Clark Public Utilities (WA)
• First Energy- Potomac Edison & Mon Power (WV)
• Menasha Utilities (WI)
• American Transmission Company (WI)
• Pierce Pepin Cooperative Services (WI)
• Shawano Municipal Utilities (WI)
• Richland Electric Cooperative (WI)
• We Energies (WI)
• Madison Gas and Electric Company (WI)
• Wisconsin Public Service (WI)