🔋 Battery Storage Power Plants in Idaho
Idaho operates 11 battery storage power plants totaling 227 MW of nameplate capacity. Annual generation: —.
Battery storage facilities don't generate electricity — they store it. They charge from the grid (often from solar during the day) and discharge during peak demand or to firm up renewables. EIA classifies them as power plants because they connect to the grid like one.
Plants11operating
Capacity227 MWnameplate
Generation—annual
All Idaho battery storage plants
| Plant | City | County | Capacity | Operator |
|---|---|---|---|---|
| Hemmingway Bess | Melba | Owyhee County | 116 MW | Idaho Power Co |
| Franklin Battery Storage | Twin Falls | Twin Falls County | 60 MW | Idaho Power Co |
| Black Mesa Bess | King Hill | Elmore County | 40 MW | Idaho Power Co |
| Elmore Bess | Mountain Home | Elmore County | 4 MW | Idaho Power Co |
| Weiser Bess | Washington | Washington County | 3 MW | Idaho Power Co |
| Filer Bess | Filer | Twin Falls County | 2 MW | Idaho Power Co |
| Melba Bess | Melba | Canyon County | 2 MW | Idaho Power Co |
| Kuna Bess | Kuna | Ada County | — | Kuna Bess, Llc |
| Happy Valley Battery Storage | Nampa | Canyon County | — | Idaho Power Co |
| Juniper Gulch Solar And Storage | Tbd | Clark County | — | Jugu Bn, Llc |
| Boise Bench Bess | Boise | Ada County | — | Idaho Power Co |