- Clean firm
- Operating
- 10 · 100 · 1,000 MW
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- Clean firm
- Operating
Hydro III: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Hydro III
Power plant · Hydro
Key facts
Power plant · Hydro Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1925
- Net generation, 2025
- -42,011 MWh
- Grid
- 12 kV to City of Logan - (UT) (PACE)
- Location
- Cache County, Utah
- Operated by
- City of Logan - (UT)SourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
Details
Who’s behind it
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- Technology
- Hydro source: “Conventional Hydroelectric”
- Age
- 101 years since 1925
All 3 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Fuel burned (MMBtu), 2025 | 0 |
| Net generation (MWh), 2025 | -42,011 |
| Balancing authority code | PACE |
Data notes (1)
- Capacity factor, 2025 not shown: net generation -42011.0 MWh is not positive (the plant consumed at least as much as it produced over the year)
Retirement
EIA-860M September 2026StatusSome generators have retired; the rest of the plant is still in service. As of EIA-860M for September 2026.- Capacity retired
- 0.7 MW
- Generators retired
- 2
- Capacity still in service
- 1.4 MW
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| IC1 | Petroleum Liquids | 0.6 MW | Retired | December 2002 |
| HY3 | Conventional Hydroelectric | 0.1 MW | Retired | January 2013 |
By technology
| Technology | Retired | Scheduled to retire |
|---|---|---|
| Petroleum Liquids | 0.6 MW | |
| Conventional Hydroelectric | 0.1 MW |
Grid
EIA-860 2025Grid fieldsAs the plant reported them to EIA-860 for 2025 (Schedule 2).- Grid voltage at the plant
- 12 kV
- Transmission or distribution system owner
- City of Logan - (UT)
- Balancing authority
- PacifiCorp - East
- NERC region
- WECC
Can the connection be reused?
A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.
Timeline
- Stated Unit HY3 scheduled to retire, 0.1 MW · EIA-860M
- Stated Unit IC1 scheduled to retire, 0.6 MW · EIA-860M
- In service · EIA-860M
Sources
3 sourcesSources EIA-860M · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory
Sources
- EIA-860M
- EIASource: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory