Investor Owned Utilities
| Avista Utilities | 800-227-9187 |
| Idaho Power Company | 800-488-6151 |
| Intermountain Gas | 800-548-3679 |
| Rocky Mountain Power | 888-221-7070 |
| Questar Gas | 801-324-5111 |
Rural Electric Cooperatives
| Bonneville Power Administration | 800-282-3713 |
| Clearwater Power | 208-798-5204 |
| East End Mutual Electric | 208-436-9357 |
| Fall River Rural Electric | 208-652-7431 |
| Farmer Electric | 208-436-6384 |
| Idaho County Light and Power | 208-983-1610 |
| Kootenai Electric Cooperative | 208-765-1200 |
| Lost River Electric Cooperative | 208-588-3311 |
| Lower Valley Power and Light | 307-886-3175 |
| Northern Lights Incorporated | 208-263-5141 |
| Raft River | 208-645-2211 |
| Riverside Electric Cooperative | 208-436-3855 |
| Salmon River Cooperative | 208-879-2283 |
| South Side Electric | 208-654-2313 |
| United Electric Co-Op Inc. | 208-679-2222 |
| Vigilante Electric Cooperative | 406-683-2327 |
Municipal Electric Utilities
| Albion Light and Water Plant | 208-673-5351 |
| Bonners Ferry Light and Water | 208-267-3105 |
| Burley Municipal Distribution System | 208-678-2538 |
| Declo Municipal Electric Department | 208-654-2124 |
| Dubois Electric System | 208-374-5241 |
| Heyburn Electric Department | 208-678-8158 |
| Idaho Falls Electric Light Division | 208-529-1430 |
| Minidoka Electric Department | 208-531-4101 |
| Plummer Electric Department | 208-686-1422 |
| Rupert Electric Department | 208-436-9608 |
| Soda Springs Electric Light and Power | 208-547-2600 |
| Weiser Water and Light Department | 208-414-1965 |