- Clean firm
- Retired
- 10 · 100 · 1,000 MW
Map
- Clean firm
- Retired
Olmstead: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Olmstead
Power plant · Hydro
Key facts
Power plant · Hydro Retired- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1910
- Net generation, 2019
- 0 MWh
- Grid
- 46 kV to PacifiCorp (PACE)
- Location
- Utah County, Utah
- Operated by
- PacifiCorp
Output
Details
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- Technology
- Hydro source: “Conventional Hydroelectric”
- Age
- 116 years since 1910
1 attribute from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Balancing authority code | PACE |
Retirement
EIA-860M September 2026StatusEvery generator EIA lists at this plant has retired. As of EIA-860M for September 2026.- Retired
- September 2015
- Capacity retired
- 10.3 MW
- Generators retired
- 3
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| 1 | Conventional Hydroelectric | 2.4 MW | Retired | September 2015 |
| 2 | Conventional Hydroelectric | 2.4 MW | Retired | September 2015 |
| 4 | Conventional Hydroelectric | 5.5 MW | Retired | September 2015 |
Grid
EIA-860 2025Grid fieldsAs the plant reported them to EIA-860 for 2025 (Schedule 2).- Grid voltage at the plant
- 46 kV
- Transmission or distribution system owner
- PacifiCorp
- 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.
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| PacifiCorp | Operator | EIA-860M | ||
| U S Bureau of Reclamation | Owner | 100.0% | 31 Dec 2025 | EIA-860 |
Timeline
- Stated Units 1, 2, 4 scheduled to retire, 10.3 MW · EIA-860M
- In service · EIA-860M
Sources
4 sourcesSources EIA-860M · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules