PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/56997
EIA plant 56997
Boise · Elmore · ID
Arrowrock Hydroelectric Project
Operated by Boise-Kuna Irrigation District
Published location
Where is Arrowrock Hydroelectric Project?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
43.595000, -115.923300
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 2,136 MWh |
| 2 | 6,000 MWh |
| 3 | 13,830 MWh |
| 4 | 12,437 MWh |
| 5 | 11,457 MWh |
| 6 | 10,247 MWh |
| 7 | 2,435 MWh |
| 8 | 541 MWh |
| 9 | 8,917 MWh |
| 10 | 990 MWh |
| 11 | 2,613 MWh |
| 12 | 1,441 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Conventional Hydroelectric | WAT | 7.5 | OP |
| 2 | Conventional Hydroelectric | WAT | 7.5 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
56997
Sector
IPP Non-CHP
Water source
Boise River
Data edition
2024-final