| Utility | State | Customers | Residential rate |
|---|
| T I P Rural Electric Coop | IA | 6,613 | — |
| Tahlequah Public Works Authority | OK | 8,874 | — |
| Talen Energy Marketing, LLC | MT | 14 | — |
| Tallahatchie Valley E P A | MS | 28,659 | 12.95¢ |
| Tallapoosa River Elec Coop Inc | AL | 31,143 | 14.81¢ |
| Talquin Electric Coop, Inc | FL | 57,902 | 15.24¢ |
| Tampa Electric Co | FL | 861,413 | 17.32¢ |
| Tanana Power Co Inc | AK | 161 | — |
| Tanner Electric Coop | WA | 5,535 | — |
| Tara Energy, LLC | TX | 43,501 | 16.31¢ |
| Tatitlek Electric Utility | AK | 64 | — |
| Taylor County Rural E C C | KY | 28,162 | 13.38¢ |
| Taylor Electric Coop - (WI) | WI | 4,575 | — |
| Taylor Electric Coop Inc - (TX) | TX | 21,912 | 16.14¢ |
| TDX Manley Generating LLC | AK | 116 | — |
| TDX North Slope Generating Co | AK | 162 | — |
| Tecumseh Utility Authority | OK | 2,347 | — |
| Tenaska Power Services | TX | 277 | — |
| Tennessee Valley Authority | TN | 65 | — |
| Tennessee Valley Electric Coop | TN | 21,072 | 13.03¢ |
| TerraForm Renewable Energy Services, LLC | TX | 1 | — |
| TerraForm US Energy Services, LLC | NJ | 336 | — |
| Terrebonne Parish Consol Gov't | LA | 13,777 | 10.73¢ |
| Tesla Energy Ventures | TX | 11,616 | 12.83¢ |
| Tesla Inc. | CA | 334,241 | 16.34¢ |
| Texans Choice Power | TX | 4 | 15.00¢ |
| Texas A&M, Utilities & Energy Services | TX | 40 | — |
| Texas General Land Office | TX | 2 | — |
| Texas Retail Energy, LLC | TX | 1,828 | — |
| The Energy Coop | PA | 2,527 | 15.62¢ |
| The Narragansett Electric Co | RI | 375,694 | 29.45¢ |
| The Potomac Edison Company | MD | 435,988 | 14.55¢ |
| The Regents of the Univ. of California | CA | 795 | — |
| The Toledo Edison Co | OH | 92,707 | 16.49¢ |
| The Town of Lyndon Elec Dept - (VT) | VT | 6,297 | — |
| Think Energy, LLC | CT | 90,425 | 11.78¢ |
| Three Notch Elec Member Corp | GA | 15,281 | 16.91¢ |
| Three Rivers Electric Coop | MO | 24,739 | 13.03¢ |
| Thumb Electric Coop of Mich | MI | 12,443 | — |
| Thurmont Municipal Light Co | MD | 2,914 | — |
| Ticaboo Electric Improvement District | UT | 97 | — |
| Tideland Electric Member Corp | NC | 24,726 | 16.41¢ |
| Tillamook Peoples Utility Dist | OR | 22,615 | 12.66¢ |
| Tipmont Rural Elec Member Corp | IN | 31,539 | 16.37¢ |
| Tippah Electric Power Assn | MS | 14,330 | 13.94¢ |
| Tipton Municipal Electric Util | IN | 4,321 | — |
| Tishomingo County E P A | MS | 13,953 | 13.33¢ |
| Titan Gas LLC | PA | 45,680 | 14.46¢ |
| Todd-Wadena Electric Coop | MN | 9,389 | — |
| Tohono O'Odham Utility Authority | AZ | 4,047 | — |
| Tombigbee Electric Coop, Inc | AL | 9,589 | — |
| Tombigbee Electric Power Assn | MS | 45,945 | 13.03¢ |
| Tomorrow Energy Corp. | NJ | 363 | 19.24¢ |
| Tongue River Electric Coop Inc | MT | 5,229 | — |
| Tonopah Irrigation District | AZ | 60 | — |
| Total Gas & Power North America Inc | TX | 15 | — |
| Town of Advance - (IN) | IN | 277 | — |
| Town of Apex- (NC) | NC | 31,907 | 16.72¢ |
| Town of Argos | IN | 911 | — |
| Town of Ashburnham - (MA) | MA | 3,220 | — |
| Town of Ashland | NH | 1,705 | — |
| Town of Avilla - (IN) | IN | 1,222 | — |
| Town of Ayden - (NC) | NC | 5,012 | — |
| Town of Bainbridge - (IN) | IN | 408 | — |
| Town of Bargersville - (IN) | IN | 3,722 | — |
| Town of Basin - (WY) | WY | 732 | — |
| Town of Bedford - (VA) | VA | 7,070 | — |
| Town of Belhaven - (NC) | NC | 1,096 | — |
| Town of Belmont - (MA) | MA | 11,899 | — |
| Town of Benson - (NC) | NC | 2,245 | — |
| Town of Berlin - (MD) | MD | 2,756 | — |
| Town of Black Creek - (NC) | NC | 864 | — |
| Town of Blackstone - (VA) | VA | 2,056 | — |
| Town of Bostic - (NC) | NC | 209 | — |
| Town of Boyce | LA | 349 | — |
| Town of Boylston - (MA) | MA | 2,584 | — |
| Town of Braintree - (MA) | MA | 16,812 | 16.17¢ |
| Town of Braman - (OK) | OK | 140 | — |
| Town of Brinson - (GA) | GA | 129 | — |
| Town of Brooklyn | IN | 568 | — |
| Town of Brookston - (IN) | IN | 845 | — |
| Town of Centerville - (IN) | IN | 1,467 | — |
| Town of Chalmers - (IN) | IN | 351 | — |
| Town of Chester | MA | 755 | — |
| Town of Clayton - (DE) | DE | 1,826 | — |
| Town of Clayton - (NC) | NC | 9,415 | — |
| Town of Coatesville - (IN) | IN | 341 | — |
| Town of Concord - (MA) | MA | 8,366 | — |
| Town of Cornelius - (NC) | NC | 4,026 | — |
| Town of Crane - (IN) | IN | 106 | — |
| Town of Culpeper- (VA) | VA | 6,006 | — |
| Town of Dallas - (NC) | NC | 4,041 | — |
| Town of Danvers | MA | 13,594 | 16.55¢ |
| Town of Drexel - (NC) | NC | 1,256 | — |
| Town of Dunreith - (IN) | IN | 151 | — |
| Town of Eatonville - (WA) | WA | 1,304 | — |
| Town of Edenton - (NC) | NC | 4,317 | — |
| Town of Elkton | VA | 1,112 | — |
| Town of Enfield - (NC) | NC | 1,220 | — |
| Town of Erwin - (TN) | TN | 9,079 | 13.14¢ |
| Town of Estes Park | CO | 11,307 | — |
| Town of Etna Green | IN | 360 | — |
| Town of Farmville - (NC) | NC | 3,193 | — |
| Town of Ferdinand - (IN) | IN | 899 | — |
| Town of Fleming - (CO) | CO | 223 | — |
| Town of Forest City | NC | 4,288 | — |
| Town of Fort Laramie- (WY) | WY | 163 | — |
| Town of Fort Supply - (OK) | OK | 214 | — |
| Town of Fountain - (NC) | NC | 297 | — |
| Town of Frankton - (IN) | IN | 1,134 | — |
| Town of Fredonia - (AZ) | AZ | 823 | — |
| Town of Fremont - (NC) | NC | 762 | — |
| Town of Front Royal | VA | 7,811 | — |
| Town of Georgetown - (MA) | MA | 3,536 | — |
| Town of Granada - (CO) | CO | 319 | — |
| Town of Granite Falls - (NC) | NC | 2,638 | — |
| Town of Groton - (MA) | MA | 5,010 | — |
| Town of Groveland - (MA) | MA | 3,058 | — |
| Town of Guernsey - (WY) | WY | 720 | — |
| Town of Gueydan | LA | 764 | — |
| Town of Hamilton - (NC) | NC | 245 | — |
| Town of Hardwick | VT | 4,888 | — |
| Town of Haxtun - (CO) | CO | 622 | — |
| Town of High Point | NC | 44,670 | 11.66¢ |
| Town of Hobgood | NC | 267 | — |
| Town of Holden - (MA) | MA | 8,609 | — |
| Town of Holden - (UT) | UT | 249 | — |
| Town of Holly - (CO) | CO | 587 | — |
| Town of Hookerton - (NC) | NC | 398 | — |
| Town of Hudson - (MA) | MA | 13,639 | 13.14¢ |
| Town of Huntersville - (NC) | NC | 9,411 | 12.57¢ |
| Town of Ipswich - (MA) | MA | 7,295 | — |
| Town of Jamestown - (IN) | IN | 547 | — |
| Town of Kingsford Heights | IN | 698 | — |
| Town of Knightstown - (IN) | IN | 1,752 | — |
| Town of La Grange - (NC) | NC | 1,949 | — |
| Town of Ladoga - (IN) | IN | 679 | — |
| Town of Landis - (NC) | NC | 3,682 | — |
| Town of Langford- (SD) | SD | 191 | — |
| Town of Laverne - (OK) | OK | 662 | — |
| Town of Lingle - (WY) | WY | 300 | — |
| Town of Littleton - (MA) | MA | 7,618 | 14.17¢ |
| Town of Littleton - (NH) | NH | 4,064 | — |
| Town of Louisburg - (NC) | NC | 2,132 | — |
| Town of Lucama - (NC) | NC | 1,151 | — |
| Town of Lusk - (WY) | WY | 1,087 | — |
| Town of Lyons - (CO) | CO | 1,178 | — |
| Town of MacClesfield - (NC) | NC | 274 | — |
| Town of Madison - (ME) | ME | 2,691 | 15.01¢ |
| Town of Maiden - (NC) | NC | 1,346 | — |
| Town of Manilla - (IA) | IA | 488 | — |
| Town of Mannford - (OK) | OK | 1,098 | — |
| Town of Mansfield - (MA) | MA | 10,570 | 15.04¢ |
| Town of Marblehead - (MA) | MA | 10,289 | — |
| Town of Massena - (NY) | NY | 9,268 | 8.04¢ |
| Town of McCormick - (SC) | SC | 1,066 | — |
| Town of Merrimac - (MA) | MA | 3,092 | — |
| Town of Middleborough - (MA) | MA | 18,223 | 15.59¢ |
| Town of Middleton - (MA) | MA | 4,025 | — |
| Town of Middletown - (DE) | DE | 10,333 | 16.64¢ |
| Town of Middletown - (IN) | IN | 1,471 | — |
| Town of Montezuma - (IN) | IN | 613 | — |
| Town of Murphy - (NC) | NC | 5,491 | 13.39¢ |
| Town of New Carlisle- (IN) | IN | 987 | — |
| Town of North Attleborough - (MA) | MA | 13,934 | 15.87¢ |
| Town of Oak City - (NC) | NC | 225 | — |
| Town of Oak City - (UT) | UT | 314 | — |
| Town of Oak Creek - (CO) | CO | 696 | — |
| Town of Paoli - (IN) | IN | 1,832 | — |
| Town of Paragonah - (UT) | UT | 285 | — |
| Town of Paxton - (MA) | MA | 1,966 | — |
| Town of Pendleton - (IN) | IN | 3,467 | — |
| Town of Pickstown - (SD) | SD | 182 | — |
| Town of Pikeville - (NC) | NC | 514 | — |
| Town of Pinetops - (NC) | NC | 704 | — |
| Town of Pineville - (NC) | NC | 4,026 | — |
| Town of Pittsboro - (IN) | IN | 798 | — |
| Town of Princeton - (MA) | MA | 1,554 | — |
| Town of Prosperity - (SC) | SC | 849 | — |
| Town of Reading - (MA) | MA | 28,337 | 19.95¢ |
| Town of Red Springs - (NC) | NC | 1,754 | — |
| Town of Richlands - (VA) | VA | 2,419 | — |
| Town of Rockville - (IN) | IN | 2,008 | — |
| Town of Rowley - (MA) | MA | 3,106 | — |
| Town of Ruston - (WA) | WA | 640 | — |
| Town of Ryan - (OK) | OK | 380 | — |
| Town of Scotland Neck - (NC) | NC | 1,355 | — |
| Town of Selma - (NC) | NC | 3,049 | — |
| Town of Sharpsburg - (NC) | NC | 1,260 | — |
| Town of Shrewsbury - (MA) | MA | 16,851 | 15.53¢ |
| Town of Smithfield - (NC) | NC | 5,830 | — |
| Town of Smyrna - (DE) | DE | 6,546 | — |
| Town of South Coffeyville - (OK) | OK | 450 | — |
| Town of South Hadley - (MA) | MA | 8,314 | — |
| Town of South Whitley - (IN) | IN | 1,063 | — |
| Town of Spiceland - (IN) | IN | 605 | — |
| Town of Spiro - (OK) | OK | 1,119 | — |
| Town of Springer - (NM) | NM | 718 | — |
| Town of Stantonsburg - (NC) | NC | 1,335 | — |
| Town of Steilacoom | WA | 3,888 | — |
| Town of Sterling - (MA) | MA | 4,187 | — |
| Town of Stowe - (VT) | VT | 4,659 | — |
| Town of Straughn - (IN) | IN | 157 | — |
| Town of Tarboro - (NC) | NC | 6,359 | 13.93¢ |
| Town of Templeton - (MA) | MA | 3,814 | — |
| Town of Thatcher- (AZ) | AZ | 3,125 | — |
| Town of Veedersburg - (IN) | IN | 1,263 | — |
| Town of Vidalia - (LA) | LA | 2,796 | — |
| Town of Vinton - (LA) | LA | 1,600 | — |
| Town of Wake Forest - (NC) | NC | 8,774 | — |
| Town of Wakefield - (MA) | MA | 14,219 | — |
| Town of Wakefield - (VA) | VA | 540 | — |
| Town of Walkerton - (IN) | IN | 1,597 | — |
| Town of Wallingford - (CT) | CT | 25,123 | 17.78¢ |
| Town of Walstonburg | NC | 137 | — |
| Town of Warren - (IN) | IN | 874 | — |
| Town of Waynesville - (NC) | NC | 3,568 | — |
| Town of Wellesley - (MA) | MA | 10,568 | 16.04¢ |
| Town of Welsh - (LA) | LA | 1,727 | — |
| Town of West Boylston - (MA) | MA | 3,785 | — |
| Town of Westfield - (IA) | IA | 80 | — |
| Town of Wheatland - (WY) | WY | 2,057 | — |
| Town of Wickenburg | AZ | 1,508 | — |
| Town of Williamsport - (MD) | MD | 1,026 | — |
| Town of Winamac - (IN) | IN | 2,124 | — |
| Town of Windsor- (NC) | NC | 1,746 | — |
| Town of Winnsboro - (SC) | SC | 3,161 | — |
| Town of Wolfeboro - (NH) | NH | 6,031 | — |
| Town Square Energy | CT | 85,979 | 13.09¢ |
| Town Square Energy East, LLC | PA | 15,123 | 10.70¢ |
| Traverse Electric Coop, Inc | MN | 2,256 | — |
| Trenton Municipal Utilities - (MO) | MO | 2,953 | — |
| Tri-County Elec Member Corp (GA) | GA | 23,558 | 15.79¢ |
| Tri-County Elec Member Corp (NC) | NC | 27,419 | 13.29¢ |
| Tri-County Elec Member Corp (TN) | TN | 57,392 | 13.01¢ |
| Tri-County Electric Coop (MI) | MI | 27,298 | 18.33¢ |
| Tri-County Electric Coop Assn (MO) | MO | 6,642 | — |
| Tri-County Electric Coop, Inc (FL) | FL | 19,975 | 18.44¢ |
| Tri-County Electric Coop, Inc (IL) | IL | 16,612 | 16.18¢ |
| Tri-County Electric Coop, Inc (OK) | OK | 31,996 | 15.95¢ |
| Tri-County Electric Coop, Inc (SC) | SC | 18,488 | 19.94¢ |
| Tri-County Electric Coop, Inc (TX) | TX | 139,530 | 15.07¢ |
| Tri-County Rural Elec Coop Inc (PA) | PA | 19,569 | 22.38¢ |
| Tri-State Electric Member Corp | GA | 21,842 | 14.95¢ |
| Trico Electric Cooperative Inc | AZ | 56,123 | 14.26¢ |
| Tricounty Rural Elec Coop, Inc - (OH) | OH | 4,483 | — |
| TriEagle Energy, L.P. | TX | 122,733 | 16.21¢ |
| Trinita Power, Inc | TX | 1 | — |
| Trinity Public Utilities Dist | CA | 7,284 | — |
| Trinity Valley Elec Coop Inc | TX | 90,834 | 12.24¢ |
| Truckee Donner P U D | CA | 14,859 | — |
| Truman Public Utilities Comm | MN | 678 | — |
| Tucson Electric Power Co | AZ | 458,898 | 14.88¢ |
| Tullahoma Board-Public Utils | TN | 11,353 | 11.72¢ |
| Tuntutuliak Comm Services Assn | AK | 145 | — |
| Tuolumne County Pub Power Agny | CA | 33 | — |
| Turlock Irrigation District | CA | 96,642 | 17.40¢ |
| Twin County Electric Pwr Assn | MS | 12,430 | — |
| Twin Valley Electric Coop Inc | KS | 2,866 | — |
| Twin Valleys Public Power Dist | NE | 6,761 | — |
| Two Rivers Water & Light | WI | 6,196 | 13.04¢ |
| TXU Energy Retail Co, LLC | TX | 1,867,539 | 19.36¢ |