Tree Line USA Utilities
Updated June 2024. Next Update: June 2025.
Tree Line Listing for 2012
Tree Line States Served |
4-County Electric Power Association (MS) |
AEP Texas Central Co. (TX) |
AEP Texas North Co. (TX) |
AEP-Public Service Co. of Oklahoma (OK) |
Alabama Power Co. (AL) |
Alliant Energy (IL, IN, MN, WI)-IA |
Ameren (IL, MO) |
American Transmission Co. (WI, MI, MN, IL) |
Anaheim Public Utilities (CA) |
Appalachian Electric Coop. (TN) |
Arizona Public Service Co. (AZ) |
Austin Energy (TX) |
Avista Utilities (WA) |
Bath Electric, Gas & Water Systems (NY) |
Benton Public Utility District (WA) |
Boone Electric Cooperive (MO) |
Bowling Green Municipal Utilties (KY) |
Brigham City Public Power (UT) |
Bristol Tennessee Essential Services (TN) |
Brownsville Public Utilities Board (TX) |
Carthage Water & Electric (MO) |
CenterPoint Energy (TX) |
Central Vermont Public Service (VT) |
Central Wisconsin Electric Coop. (WI) |
Chelan County Public Utility District #1 (WA) |
Chugach Electric Association, Inc. (AK) |
Citizens Electric Co. (PA) |
City of Lompoc Electric Utility (CA) |
City of Naperville (IL) |
City of Redding Electric Utililty (CA) |
City of Rocky Mount (NC) |
City of Westerville Electric Division (OH) |
City Utilities of Springfield (MO) |
Clark Public Utilities (WA) |
Cleveland Utilties (TN) |
Clinton Utilities Board (TN) |
Colorado Springs Utilities (CO) |
Columbia Water & Light Dept. (MO) |
Comed (An Exelon Co.) (IL) |
Consolidated Edison Co. of New York (NY) |
Consolidated Electric Coop., Inc. (OH) |
Cookeville Electric Department (TN) |
CPS Energy (TX) |
Crawford Electric Coop. (MO) |
Cuivre River Electric Coop. (MO) |
Cuyahoga Falls Electric Department (OH) |
Detroit Edison (MI) |
Dominion (VA,NC) |
Douglas Electric Cooperative (OR) |
Duck River Membership Corp. (TN) |
Duquesne Light Co. (PA) |
Dyersburg Electric System (TN) |
East Central Energy (MN) |
Edmond Electric (OK) |
Empire District Electric Co. (MO, AR, KS, OK) |
Entergy Corp. (AR, LA, MS, TX) |
Eugene Water and Electric Board (OR) |
First Energy Corp. (MI, NJ, OH, PA) |
Florida Keys Electric Coop. (FL) |
Forest Grove Light & Power Department (OR) |
Gaffney Board of Public Works (SC) |
Gainesville Regional Utilities (FL) |
Garland Power & Light (TX) |
Georgia Power Company (GA) |
Gibson Electric Membership Corporation (TN) |
Golden Valley Electric Association (AK) |
Hutchinson Utilities (MN) |
Idaho Power Co. (ID, OR) |
Independence Power & Light (MO) |
Indianapolis Power & Light (IN) |
ITC Michigan (MI) |
ITC Midwest (IA, MN, IL) |
ITC Midwest (MI) |
JEA, Jacksonville Electric Authority (FL) |
Joe Wheeler Electric Membership Coop. (AL) |
Johnson City Power Board (TN) |
Kansas City Power & Light (MO, KS) |
Knoxville Utilities Board (TN) |
Lansing Board of Water & Light (MI) |
Lincoln Electric System (NE) |
Long Island Power Authority (NY) |
Los Angeles Department of Water & Power (CA) |
Madison Gas & Electric Co. (WI) |
Massena Electric Department (NY) |
Matanuska Electric Association, Inc. (AK) |
MidAmerican Energy Co. (IA, IL, NE, SD) |
Milan Public Utilities (TN) |
Mishawaka Utilities-Electric Division (IN) |
Montana-Dakota Utilities Co. (MT, ND, SD, WY) |
Morristown Utility Systems (TN) |
Nashville Electric Service (TN) |
National Grid USA (MA, NH, NY, RI) |
Nebraska City Utilities (NE) |
Nebraska Public Power District (NE) |
Nextera (Florida Power & Light Co.) (FL) |
Northern Indiana Public Service Co. (IN) |
Ocala Utility Services (FL) |
OG&E Electric Services (AR, OK) |
Oklahoma Electric Coop. (OK) |
Omaha Public Power District (NE) |
Oncor Electric Delivery (TX) |
Orange & Rockland Utilities (NJ, NY, PA) |
Orlando Utilities Commission (FL) |
Owen Electric Coop. (KY) |
Owensboro Municipal Utilities (KY) |
Pacific Gas & Electric Co. (CA) |
Pacificorp (CA, ID, OR, UT, WA, WY) |
Pasadena Water & Power (CA) |
Peoples Electric (OK) |
Pepco Holdings Inc. (DC, DE, NJ) |
Pierce Pepin Coop. Services (WI) |
Pioneer Electric Coop. (OH) |
PPL Corp. (PA) |
Progress Energy (FL) |
Provo City Power (UT) |
Puget Sound Energy (WA) |
Pulaski Electric System (TN) |
Ralls County Electric Coop. (MO) |
Rappahannock Electric Coop. (VA) |
Richland Electric Coop. (WI) |
Richland Energy Services (WA) |
Riverside Public Utilities (CA) |
Rochester Public Utilities (MN) |
Ruston Light & Power (LA) |
Sacramento Municipal Utility District (CA) |
Salt River Project (AZ) |
San Diego Gas & Electric Co. (CA) |
Sevier County Electric System (TN) |
Shawano Municipal Utilities (WI) |
Snapping Shoals Electric (GA) |
Snohomish County PUD No. 1 (WA) |
Southern California Edison Co. (CA) |
Stoughton Utilities (WI) |
Sumter Electric Cooperative, Inc. (FL) |
Tacoma Power (WA) |
Tampa Electric (FL) |
Union Power Coop. (NC) |
Vectren Energy Delivery (IN) |
Vermont Electric Power Co., Inc. (VT) |
Vernon Electric (WI) |
Village of Rantoul (IL) |
Waverly Light and Power (IA) |
We Energies (MI, WI) |
Westar Energy (KS) |
Wisconsin Public Servic Corp. (WI, MI) |
Xcel Energy (MN) |