Idaho · Hydro
Proposed hydro projects in Idaho
There are 6 proposed hydro projects in Idaho's interconnection queue, totaling 353.4 MW of requested capacity. The largest is Dworshak Fourth Unit at 300 MW, and the median planned online year is 2024.
6
Proposed projects
353.4 MW
Requested capacity
58.9 MW
Average project size
2024
Median planned online year
All proposed hydro projects in Idaho
| Type | ||||
|---|---|---|---|---|
| Dworshak Fourth Unit G0492 | Hydro | 300 MW | 2013 | 2019 |
| Queue 63 63 | Hydro | 26 MW | 2018 | 2028 |
| Queue Q63 Q63 | Hydro | 26 MW | — | 2028 |
| Commercial Energy Management, Inc. project 1186 | Hydro | 0.9 MW | 2019 | 2021 |
| City of Preston project 973 | Hydro | 0.4 MW | 2017 | 2018 |
| Emmett Main Canal project 755 | Hydro | 0.1 MW | 2025 | 2026 |
Browse Idaho's full interconnection queue. Compare with operating capacity: 76 operating hydroelectric plants in Idaho. Nationwide: Hydroelectric plants nationwide.
Source: "Queued Up" (Rand et al., Lawrence Berkeley National Laboratory, 2026 edition) (data as of December 31, 2025).