| Utility | State | Customers | Residential rate |
|---|
| Fairfield Electric Coop, Inc | SC | 34,912 | 15.60¢ |
| Fairmont Public Utilities Comm | MN | 5,880 | — |
| FairPoint Energy LLC | ME | 5,560 | 17.68¢ |
| Fairview City Corporation | UT | 964 | — |
| Fall River Rural Elec Coop Inc | ID | 21,316 | 11.10¢ |
| Family Energy, Inc. New York | NY | 21,375 | 11.97¢ |
| Fannin County Electric Coop | TX | 12,480 | 16.25¢ |
| Farmers Electric Company, Ltd - (ID) | ID | 154 | — |
| Farmers Electric Coop - (IA) | IA | 650 | — |
| Farmers Electric Coop Corp - (AR) | AR | 5,025 | — |
| Farmers Electric Coop, Inc - (IA) | IA | 5,131 | — |
| Farmers Electric Coop, Inc - (MO) | MO | 13,693 | 13.64¢ |
| Farmers Electric Coop, Inc - (NM) | NM | 13,737 | 13.68¢ |
| Farmers Electric Coop, Inc - (TX) | TX | 104,118 | 11.95¢ |
| Farmers Rural Electric Coop Corp - (KY) | KY | 27,225 | 13.04¢ |
| Farmington River Power Company | CT | 1 | — |
| Fayette Electric Coop, Inc | TX | 16,541 | 12.53¢ |
| Fayetteville Public Works Commission | NC | 85,088 | 12.14¢ |
| Federated Rural Electric Assn | MN | 7,049 | 12.81¢ |
| FEM Electric Assn, Inc | SD | 2,164 | — |
| Fergus Electric Coop, Inc | MT | 7,157 | 15.91¢ |
| Fillmore City Corporation | UT | 1,335 | — |
| Firelands Electric Coop, Inc | OH | 9,302 | — |
| First Choice Energy LLC | NY | 110 | — |
| First Electric Coop Corp | AR | 105,652 | 12.93¢ |
| First Point Power, LLC | MA | 353,137 | 13.82¢ |
| FirstEnergy Pennsylvania Electric Co | PA | 1,646,917 | 18.76¢ |
| Fishers Island Utility Co Inc | NY | 769 | 41.37¢ |
| Fitchburg Gas & Elec Light Co | MA | 4,179 | 36.24¢ |
| Fitzgerald Wtr Lgt & Bond Comm | GA | 6,053 | — |
| Flathead Electric Coop Inc | MT | 77,288 | 10.04¢ |
| Fleming-Mason Energy Coop Inc | KY | 26,255 | 13.03¢ |
| Flint Electric Membership Corp | GA | 98,540 | 13.41¢ |
| Flint Hills Rural E C A, Inc | KS | 6,644 | — |
| Flora Utilities | IN | 1,431 | — |
| Florence Utility Comm | WI | 1,625 | 16.89¢ |
| Florida Keys El Coop Assn, Inc | FL | 34,770 | 13.91¢ |
| Florida Power & Light Co | FL | 6,013,740 | 14.62¢ |
| Florida Public Utilities Co | FL | 30,598 | 17.80¢ |
| FlowX, LLC | TX | 2 | — |
| Foley Board of Utilities | AL | 61,343 | 13.97¢ |
| Forked Deer Electric Coop, Inc | TN | 10,125 | 14.97¢ |
| Fort Belknap Electric Coop Inc | TX | 6,243 | — |
| Fort Loudoun Electric Coop | TN | 36,577 | 12.83¢ |
| Fort Payne Improvement Authority | AL | 9,044 | 13.01¢ |
| Fort Pierce Utilities Authority | FL | 30,021 | 13.33¢ |
| Fort Valley Utility Comm | GA | 4,931 | — |
| Four County Elec Member Corp | NC | 35,959 | 15.10¢ |
| Fox Islands Electric Coop, Inc | ME | 2,151 | — |
| Franklin Electric Coop - (AL) | AL | 8,025 | 14.61¢ |
| Franklin Rural Electric Coop - (IA) | IA | 1,982 | — |
| Freeborn Mower Electric Cooperative | MN | 21,333 | 15.27¢ |
| Freedom Energy | NH | 11 | — |
| Freepoint Energy Solutions LLC | OH | 12,240 | — |
| FreeState Electric Coop | KS | 19,144 | 17.84¢ |
| French Broad Elec Member Corp | NC | 41,010 | 16.21¢ |
| Frontier Power Company | OH | 9,288 | — |
| Fulton County Rural E M C | IN | 6,205 | — |