Forest City Light Plant
Oil power plant in Winnebago County, Iowa. 22 MW of nameplate capacity across 6 generators, operated by City of Forest City- (IA).
Also known as EIA plant 1138
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 22 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- January 1950First generator online
- Operator
- City of Forest City- (IA)EIA operator ID 6579
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Winnebago County, IA43.2632, −93.6354
- EIA plant ID
- 1138EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Forest City Light Plant produces
Free · EIA-923Net generation, 2025
392 MWh
392 MWh, final
Capacity factor, 2025
0.2%
2024: 0.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
120.0–439.0
MWh a year. Low 2023, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | 1,007 | Not reported | 12 of 12 |
| 2002 | 713 | Not reported | 12 of 12 |
| 2003 | 1,239 | Not reported | 12 of 12 |
| 2004 | 1,092 | Not reported | 12 of 12 |
| 2005 | 1,219 | Not reported | 12 of 12 |
| 2006 | 835 | Not reported | 12 of 12 |
| 2007 | 1,564 | Not reported | 12 of 12 |
| 2008 | 479 | Not reported | 12 of 12 |
| 2009 | 246 | Not reported | 12 of 12 |
| 2010 | 224 | 0.1% | 12 of 12 |
| 2011 | 158 | 0.1% | 12 of 12 |
| 2012 | 335 | 0.2% | 12 of 12 |
| 2013 | 166 | 0.1% | 12 of 12 |
| 2014 | 223 | 0.1% | 12 of 12 |
| 2015 | 201 | 0.1% | 12 of 12 |
| 2016 | 278 | 0.1% | 12 of 12 |
| 2017 | 214 | 0.1% | 12 of 12 |
| 2018 | 250 | 0.1% | 12 of 12 |
| 2019 | 439 | 0.2% | 12 of 12 |
| 2020 | 260 | 0.1% | 12 of 12 |
| 2021 | 313 | 0.2% | 12 of 12 |
| 2022 | 231 | 0.1% | 12 of 12 |
| 2023 | 120 | 0.1% | 12 of 12 |
| 2024 | 225 | 0.1% | 12 of 12 |
| 2025 | 392 | 0.2% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Petroleum Liquids | 1.2 | January 1958 |
| 2 | Petroleum Liquids | 2.7 | January 1965 |
| 3 | Petroleum Liquids | 3.5 | January 1968 |
| 4 | Petroleum Liquids | 6.3 | January 1976 |
| 5 | Petroleum Liquids | 0.7 | January 1950 |
| 6 | Petroleum Liquids | 7.6 | April 2000 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists City of Forest City- (IA) as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Forest City Light Plant
How much power does Forest City Light Plant produce?
Forest City Light Plant reported 392 MWh (392 MWh) of net generation in 2025, a 0.2% capacity factor on 22 MW of nameplate capacity.
Where is Forest City Light Plant?
Forest City Light Plant is in Winnebago County, Iowa, at 43.2632, −93.6354. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Forest City Light Plant?
EIA-860M for August 2026 lists City of Forest City- (IA) as the operator (EIA operator ID 6579). The operator is not always the owner.
When did Forest City Light Plant start operating?
Its first generator began operating in January 1950, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page