| Utility | State | Customers | Residential rate |
|---|
| A & N Electric Coop | VA | 37,784 | 14.40¢ |
| Abest Power & Gas, LLC | NY | 3,052 | 18.00¢ |
| ABN Energy, LLC | NY | 1,166 | 10.00¢ |
| Abundance Energy, LLC | TX | 19,221 | 8.37¢ |
| Accent Energy Holdings, LLC | TX | 3,294 | 17.97¢ |
| Access Energy Coop | IA | 9,108 | 14.81¢ |
| Adams Electric Coop | IL | 9,163 | — |
| Adams Electric Cooperative Inc | PA | 34,923 | 15.41¢ |
| Adams Rural Electric Coop, Inc | OH | 7,851 | — |
| Adams-Columbia Electric Coop | WI | 39,826 | 18.98¢ |
| Adjustment 2025 | OH | 4,559,641 | 13.93¢ |
| Adrian Public Utilities Comm | MN | 687 | — |
| AEP Energy | OH | 618,459 | 8.66¢ |
| AES Indiana | IN | 530,671 | 14.69¢ |
| AGC Division of APGI Inc | IN | 2 | — |
| Aggregated Transit Energy | MA | 1 | — |
| Agralite Electric Coop | MN | 5,428 | 13.74¢ |
| Agressive Energy LLC | NY | 7,256 | — |
| Aguila Irrigation District | AZ | 58 | — |
| Agway Energy Services, LLC | NY | 14,620 | 13.25¢ |
| Aha Macav Power Service | AZ | 726 | — |
| Ahana Renewables, LLC | ME | 1,689 | 20.54¢ |
| Aiken Electric Coop Inc | SC | 54,255 | 17.51¢ |
| Aitkin Public Utilities Comm | MN | 2,009 | — |
| Ajo Improvement Co | AZ | 1,005 | 13.53¢ |
| Ak-Chin Electric Utility Authority | AZ | 442 | 12.90¢ |
| Akiachak Native Community Electric | AK | 274 | — |
| Alabama Power Co | AL | 1,557,733 | 17.91¢ |
| Alameda Municipal Power | CA | 36,505 | 24.01¢ |
| Alamo Power District No 3 | NV | 742 | — |
| Alaska Electric Light & Power Co. | AK | 18,166 | 13.73¢ |
| Alaska Power and Telephone Co | AK | 8,536 | 41.78¢ |
| Alaska Village Elec Coop, Inc | AK | 11,487 | 65.93¢ |
| Albany Utility Board | GA | 34,705 | 13.45¢ |
| Albemarle Electric Member Corp | NC | 13,951 | 15.15¢ |
| Albertville Municipal Utilities Board (AL) | AL | 10,821 | 11.22¢ |
| Alchemy Muse, Inc | TX | 1 | — |
| Alcorn County Elec Power Assn | MS | 19,192 | 13.48¢ |
| Alfalfa Electric Coop, Inc | OK | 8,462 | 10.86¢ |
| Alger-Delta Coop Electric Assn | MI | 10,396 | 23.20¢ |
| Algoma Utility Comm | WI | 2,095 | 13.54¢ |
| All American Power and Gas, LLC | NY | 2,660 | 32.68¢ |
| All Choice Energy, LLC | NY | 1,692 | 15.04¢ |
| Allamakee-Clayton El Coop, Inc | IA | 9,946 | — |
| ALLETE, Inc. | MN | 153,192 | 15.86¢ |
| Alliance Power Company, LLC. | TX | 8,521 | 10.89¢ |
| Alpena Power Co | MI | 16,865 | 18.66¢ |
| Alpha Gas and Electric, LLC | NY | 14,509 | 16.26¢ |
| Altamaha Electric Member Corp | GA | 21,886 | 16.30¢ |
| Amana Society Service Co | IA | 889 | 17.02¢ |
| Ambit Energy Holdings, LLC | TX | 446,728 | 19.17¢ |
| Ameren Illinois Company | IL | 663,709 | 16.70¢ |
| American Power & Gas | PA | 124,030 | 12.57¢ |
| American PowerNet | PA | 35 | — |
| American Samoa Power Authority | AS | 12,632 | 37.34¢ |
| Amicalola Electric Member Corp | GA | 57,535 | 13.67¢ |
| Amigo Energy | TX | 156,351 | 16.69¢ |
| Ammper Power LLC | TX | 283 | — |
| Anadarko Public Works Authority | OK | 2,437 | — |
| Aniak Light & Power Co Inc | AK | 181 | — |
| Anthracite Power & Light | PA | 1,009 | 10.06¢ |
| Anza Electric Coop Inc | CA | 4,792 | — |
| AP Holdings LLC | TX | 185,765 | 10.06¢ |
| APN Starfirst, L.P. | OH | 10 | — |
| Appalachian Electric Coop | TN | 52,126 | 13.58¢ |
| Appalachian Power Co | VA | 968,592 | 17.08¢ |
| Apple Valley Choice Energy | CA | 24,982 | 14.08¢ |
| Approved Energy II, LLC | NJ | 5,008 | 17.97¢ |
| Arab Electric Coop Inc | AL | 17,014 | 12.75¢ |
| Archer Energy, LLC | OH | 67,380 | 8.62¢ |
| Arizona Electric Pwr Coop Inc | CA | 1 | — |
| Arizona Public Service Co | AZ | 1,433,294 | 17.03¢ |
| Ark Valley Elec Coop Assn, Inc | KS | 5,283 | — |
| Arkansas Valley Elec Coop Corp | AR | 64,000 | 14.09¢ |
| Arrow Energy TX LLC | TX | 342 | 11.62¢ |
| Arrowhead Electric Coop, Inc | MN | 4,667 | — |
| Ashley Chicot Elec Coop, Inc | AR | 5,118 | — |
| Atchison-Holt Electric Coop | IA | 1,209 | — |
| Athens Utility Board | TN | 14,248 | 12.44¢ |
| Atlantic City Electric Co | NJ | 523,704 | 25.84¢ |
| Atlantic Energy LLC | TX | 106,120 | 16.33¢ |
| Atlantic Municipal Utilities (IA) | IA | 4,682 | — |
| Atmautluak Tribal Utilities | AK | 104 | — |
| Auburn Board of Public Works | NE | 2,638 | — |
| Austin Energy | TX | 577,889 | 13.14¢ |
| Ava Community Energy | CA | 724,515 | 14.48¢ |
| Avangrid Power, LLC | OR | 3 | — |
| Avista Corp | WA | 424,411 | 13.37¢ |