- Combustion
- Operating
- 10 · 100 · 1,000 MW
Map
- Combustion
- Operating
Wells IC: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Wells IC
Power plant · Gas, reciprocating engine
Key facts
Power plant · Gas, reciprocating engineran 1% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1953
- Net generation, 2025
- 437 MWh
- Grid
- 4 kV to City of Wells - (MN) (MISO)
- Location
- Faribault County, Minnesota
- Operated by
- City of Wells - (MN)SourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
- Gas
- Oil
Details
Who’s behind it
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- Technology
- Gas, reciprocating engine source: “Natural Gas Internal Combustion Engine”
- Age
- 73 years since 1953
- Unused energy
- 78 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
- Heat rate
- 10,936 Btu/kWh 2025
All 5 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Fuel burned (MMBtu), 2025 | 4,779 |
| Capacity factor, 2025 | 0.005 |
| Heat rate (Btu/kWh), 2025 | 10,935.9 |
| Net generation (MWh), 2025 | 437 |
| Balancing authority code | MISO |
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
- 1.1 MW
- Generators retired
- 1
- Capacity still in service
- 9 MW
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| 3 | Petroleum Liquids | 1.1 MW | Retired | September 2019 |
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
- City of Wells - (MN)
- Balancing authority
- Midcontinent Independent Transmission System Operator, Inc..
- NERC region
- MRO
Transmission lines within 25 km (2)
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 3 scheduled to retire, 1.1 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