- Combustion
- Retired
- 10 · 100 · 1,000 MW
Map
- Combustion
- Retired
Hills: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Hills
Power plant · Oil
Key facts
Power plant · Oil Retired- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1960
- Net generation, 2014
- -119 MWh
- Grid
- 4 kV to Interstate Power and Light Co (MISO)
- Location
- Rock County, Minnesota
- Operated by
- Interstate Power and Light CoSourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
- Oil
Details
Who’s behind it
No companies named in filings yet.
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- Technology
- Oil source: “Petroleum Liquids”
- Age
- 66 years since 1960
1 attribute from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Balancing authority code | MISO |
Retirement
EIA-860M September 2026StatusEvery generator EIA lists at this plant has retired. As of EIA-860M for September 2026.- Retired
- July 2015
- Capacity retired
- 4 MW
- Generators retired
- 2
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| 1 | Petroleum Liquids | 2 MW | Retired | July 2015 |
| 2 | Petroleum Liquids | 2 MW | Retired | July 2015 |
Grid
EIA-860 2025Grid fieldsAs the plant reported them to EIA-860 for 2025 (Schedule 2).- Grid voltage at the plant
- 4 kV
- Transmission or distribution system owner
- Interstate Power and Light Co
- Balancing authority
- Midcontinent Independent Transmission System Operator, Inc..
- NERC region
- MRO
Transmission lines within 25 km (9)
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 Units 1, 2 scheduled to retire, 4 MW · EIA-860M
- In service · EIA-860M
Sources
4 sourcesSources EIA-860M · LBNL · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory
Sources
- EIA-860M
- LBNLYin, Nait Belaid & Heleno (2026), Lawrence Berkeley National Laboratory, OEDI, CC BY 4.0: A Harmonized Geospatial Dataset of U.S. Transmission Lines: Linking FERC Form 1 and HIFLD, 1994-2024. Modified by Inframation: HIFLD-side fields only, names re-cased, coordinates rounded.
- EIASource: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory