| Public power utility | Retail electric customers |
|---|---|
| City of Edmond | 44,461 |
| Stillwater Utilities Authority | 22,191 |
| City of Ponca City | 15,876 |
| City of Claremore | 13,327 |
| Tahlequah Public Works Authority | 11,069 |
| City of Altus | 9,443 |
| City of Duncan | 8,902 |
| Miami Special Utility Authority | 6,831 |
| City of Pryor | 4,994 |
| City of Cushing | 4,388 |
| City of Sallisaw | 4,377 |
| City of Skiatook | 4,226 |
| Wagoner Public Works Authority | 3,883 |
| City of Collinsville | 3,651 |
| City of Blackwell | 3,169 |
| City of Perry | 3,036 |
| City of Purcell | 3,021 |
| Anadarko Public Works Authority | 2,430 |
| Tecumseh Utility Authority | 2,337 |
| City of Kingfisher | 2,331 |
| City of Marlow | 2,287 |
| City of Watonga | 2,096 |
| City of Stilwell | 2,093 |
| City of Pawhuska | 2,091 |
| City of Frederick | 1,926 |
| City of Mangum | 1,616 |
| City of Fairview | 1,604 |
| City of Newkirk | 1,547 |
| City of Tonkawa | 1,527 |
| City of Lindsay | 1,519 |
| City of Stroud | 1,508 |
| Walters Public Works Authority | 1,480 |
| City of New Cordell | 1,428 |
| Prague Public Works Authority | 1,288 |
| City of Hominy | 1,161 |
| Town of Mannford | 1,128 |
| Town of Spiro | 1,123 |
| City of Wynnewood | 1,059 |
| City of Lexington | 815 |
| City of Comanche | 806 |
| City of Waynoka | 806 |
| City of Mooreland | 783 |
| Town of Laverne | 722 |
| City of Wetumka | 687 |
| City of Yale | 668 |
| City of Geary | 634 |
| Okeene Public Works Authority | 618 |
| City of Pond Creek | 599 |
| City of Granite | 545 |
| Town of South Coffeyville | 500 |
| Copan Public Works Authority | 401 |
| Town of Ryan | 383 |
| City of Olustee | 349 |
| City of Eldorado | 230 |
| Town of Fort Supply | 197 |
| Goltry Public Works Authority | 164 |
| Town of Braman | 148 |
| City of Orlando | 105 |
| Grand River Dam Authority | 79 |
| City of Manitou | 78 |
| City of Burlington | 76 |
| City of Pawnee | Not published |
| Oklahoma Municipal Power Authority | Not published |
| Southwestern Power Administration | Not published |
Largest first by retail electric customers, as each employer reports it to its federal registry.
Source: U.S. Energy Information Administration, Annual Electric Power Industry Report (Form EIA-861), 2024 final data. Data captured October 2, 2026.
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