| Utility | State | Customers | Residential rate |
|---|
| Bagley Public Utilities Comm | MN | 787 | — |
| Bailey County Elec Coop Assn | TX | 9,199 | 9.82¢ |
| Baldwin County El Member Corp | AL | 93,632 | 14.17¢ |
| Baltimore Gas & Electric Co | MD | 1,221,264 | 20.19¢ |
| Bamberg Board of Public Works | SC | 1,783 | — |
| Bancroft Municipal Utilities - (IA) | IA | 618 | — |
| Bandera Electric Coop, Inc | TX | 42,832 | 12.77¢ |
| Barbourville Utility Comm | KY | 4,241 | — |
| BARC Electric Coop Inc | VA | 13,117 | — |
| Barron Electric Coop | WI | 19,794 | 16.02¢ |
| Barrow Utils & Elec Coop, Inc | AK | 1,998 | — |
| Barry Electric Coop | MO | 10,086 | — |
| Bartholomew County Rural E M C | IN | 12,251 | 14.53¢ |
| Bartlett Electric Coop, Inc | TX | 16,141 | 15.23¢ |
| Barton County Elec Coop, Inc | MO | 6,884 | — |
| Barton Village, Inc | VT | 2,188 | — |
| Base Texas REP, LLC | TX | 4,833 | 14.44¢ |
| Basin Electric Power Coop | ND | 1 | — |
| Bath Electric Gas & Water | NY | 4,409 | — |
| Bayfield Electric Coop, Inc | MI | 68 | — |
| Beaches Energy Services | FL | 36,454 | 11.97¢ |
| Bear Valley Electric Service | CA | 24,891 | 41.12¢ |
| Beartooth Electric Coop, Inc | MT | 6,538 | — |
| Beauregard Electric Coop, Inc | LA | 44,928 | 13.14¢ |
| Beaver City Corporation | UT | 2,001 | — |
| Bedford Rural Elec Coop, Inc | PA | 9,601 | 16.76¢ |
| Beltrami Electric Coop, Inc | MN | 22,593 | 15.47¢ |
| BENCO Electric Cooperative | MN | 20,086 | 16.14¢ |
| Benton County | TN | 10,648 | 15.11¢ |
| Benton Rural Electric Assn | WA | 16,915 | 9.67¢ |
| Berkeley Electric Coop Inc | SC | 138,073 | 16.32¢ |
| Big Bend Electric Coop, Inc | WA | 10,977 | 9.61¢ |
| Big Country Electric Coop, Inc | TX | 13,628 | 13.33¢ |
| Big Flat Electric Coop Inc | MT | 2,062 | — |
| Big Horn County Elec Coop, Inc | MT | 3,709 | — |
| Big Horn Rural Electric Co | MT | 72 | — |
| Big Sandy Rural Elec Coop Corp | KY | 12,533 | 14.81¢ |
| BKV-BPP Retail, LLC | TX | 58,765 | 14.95¢ |
| Blachly-Lane County Coop El Assn | OR | 3,674 | — |
| Black Diamond Power Co | WV | 3,693 | 20.10¢ |
| Black Hills Colorado Electric, LLC | CO | 111,502 | 18.71¢ |
| Black Hills Electric Coop, Inc | SD | 11,478 | 14.79¢ |
| Black Hills Power, Inc. | SD | 85,804 | 15.07¢ |
| Black River Electric Coop - (MO) | MO | 25,604 | 13.61¢ |
| Black River Electric Coop, Inc - (SC) | SC | 35,116 | 15.14¢ |
| Black Warrior Elec Member Corp | AL | 26,545 | 15.07¢ |
| Block Island Utility District | RI | 2,024 | 38.67¢ |
| Bloomer Electric & Water Co | WI | 2,189 | — |
| Blue Earth Light & Water | MN | 2,017 | — |
| Blue Grass Energy Coop Corp | KY | 65,157 | 12.61¢ |
| Blue Ridge Elec Member Corp - (NC) | NC | 81,175 | 14.92¢ |
| Blue Ridge Electric Coop Inc - (SC) | SC | 74,014 | 19.82¢ |
| Blue Ridge Mountain EMC - (GA) | GA | 59,575 | 14.80¢ |
| Bluebonnet Electric Coop, Inc | TX | 140,420 | 11.59¢ |
| Bluestem Electric Coop Inc | KS | 7,664 | — |
| Board of Water Electric & Communications | IA | 11,727 | 12.89¢ |
| Bolivar Energy Authority | TN | 11,441 | 14.17¢ |
| Bon Homme Yankton El Assn, Inc | SD | 4,190 | — |
| Bonneville Power Administration | WA | 10 | — |
| Boone County Rural EMC | IN | 19,814 | 15.80¢ |
| Boone Electric Coop | MO | 35,561 | 13.57¢ |
| Boone Valley Electric Coop | IA | 96 | — |
| Borough of Berlin - (PA) | PA | 1,212 | — |
| Borough of Blakely - (PA) | PA | 3,750 | — |
| Borough of Butler - (NJ) | NJ | 11,849 | — |
| Borough of Catawissa | PA | 852 | — |
| Borough of Chambersburg - (PA) | PA | 11,727 | 12.25¢ |
| Borough of Duncannon - (PA) | PA | 970 | — |
| Borough of East Conemaugh | PA | 624 | — |
| Borough of Ellwood City - (PA) | PA | 4,040 | — |
| Borough of Ephrata - (PA) | PA | 6,704 | — |
| Borough of Girard - (PA) | PA | 1,346 | — |
| Borough of Goldsboro - (PA) | PA | 389 | — |
| Borough of Grove City - (PA) | PA | 2,995 | — |
| Borough of Hatfield- (PA) | PA | 1,849 | — |
| Borough of Kutztown - (PA) | PA | 2,530 | — |
| Borough of Lansdale | PA | 8,949 | — |
| Borough of Lavallette - (NJ) | NJ | 2,563 | — |
| Borough of Lehighton - (PA) | PA | 3,081 | — |
| Borough of Lewisberry - (PA) | PA | 191 | — |
| Borough of Madison - (NJ) | NJ | 6,894 | — |
| Borough of Middletown - (PA) | PA | 4,268 | — |
| Borough of Mifflinburg - (PA) | PA | 1,906 | — |
| Borough of Milltown - (NJ) | NJ | 3,181 | — |
| Borough of New Wilmington - (PA) | PA | 737 | — |
| Borough of Olyphant - (PA) | PA | 2,585 | — |
| Borough of Park Ridge - (NJ) | NJ | 4,032 | — |
| Borough of Pemberton - (NJ) | NJ | 788 | — |
| Borough of Perkasie - (PA) | PA | 4,429 | — |
| Borough of Pitcairn - (PA) | PA | 1,816 | — |
| Borough of Quakertown - (PA) | PA | 4,636 | — |
| Borough of Royalton - (PA) | PA | 546 | — |
| Borough of Schuylkill Haven - (PA) | PA | 3,033 | — |
| Borough of Smethport - (PA) | PA | 1,038 | — |
| Borough of South River - (NJ) | NJ | 6,547 | — |
| Borough of St Clair - (PA) | PA | 1,861 | — |
| Borough of Summerhill - (PA) | PA | 291 | — |
| Borough of Tarentum - (PA) | PA | 2,253 | — |
| Borough of Wampum | PA | 369 | — |
| Borough of Watsontown - (PA) | PA | 1,197 | — |
| Borough of Weatherly - (PA) | PA | 1,187 | — |
| Borough of Zelienople - (PA) | PA | 2,237 | — |
| Bowie-Cass Electric Coop, Inc | TX | 40,267 | 13.35¢ |
| Bozrah Light & Power Company | CT | 2,836 | 19.75¢ |
| BP Energy Company | WA | 3 | — |
| BP Energy Retail LLC | TX | 2,309 | — |
| Brainerd Public Utilities | MN | 8,384 | 12.10¢ |
| Branch Energy Texas LLC | TX | 1,191 | 18.15¢ |
| Bremen Electric Light & Power Co | IN | 2,401 | — |
| Bridger Valley Elec Assn, Inc | UT | 2,211 | — |
| Brigham City Corporation | UT | 8,874 | — |
| Bristol Virginia Utilities | VA | 16,518 | 11.62¢ |
| Broad River Electric Coop, Inc | SC | 25,360 | 17.15¢ |
| Brodhead Water & Lighting Comm | WI | 1,859 | 13.48¢ |
| Brookfield Renewable Energy Marketing US LLC | NY | 10 | — |
| Brookfield Renewable Trading and Marketing LP | NH | 2 | — |
| Brooklet Energy Distribution | TX | 15,242 | 12.42¢ |
| Brown County Rural Elec Assn | MN | 4,566 | — |
| Brown-Atchison E C A Inc | KS | 3,283 | — |
| Brownsville Public Utilities Board | TX | 55,099 | 11.22¢ |
| Brunswick Electric Member Corp | NC | 118,326 | 13.34¢ |
| Buckeye Rural Elec Coop, Inc | OH | 18,703 | 20.48¢ |
| Buckeye Water C&D District | AZ | 120 | — |
| Burke-Divide Electric Coop Inc | ND | 3,508 | 8.61¢ |
| Burt County Public Power Dist | NE | 4,314 | — |
| Butler County Rural Elec Coop - (IA) | IA | 5,107 | 14.50¢ |
| Butler Public Power District - (NE) | NE | 6,630 | 11.64¢ |
| Butler Rural El Coop Assn, Inc - (KS) | KS | 7,873 | — |
| Butler Rural Electric Coop Inc - (OH) | OH | 12,013 | 18.44¢ |
| Butte Electric Coop, Inc | SD | 7,472 | — |