Spencer Gas Turbine
Oil power plant in Clay County, Iowa. 23.8 MW of nameplate capacity across 1 generator, operated by City of Spencer - (IA).
Also known as EIA plant 1186
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 23.8 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- January 1970First generator online
- Operator
- City of Spencer - (IA)EIA operator ID 17783
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 SPP nodeResource nodes with prices
- Location
- Clay County, IA43.1446, −95.1443
- EIA plant ID
- 1186EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Spencer Gas Turbine produces
Free · EIA-923Net generation, 2025
86 MWh
86 MWh, final
Capacity factor, 2025
0.0%
2024: 0.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.0–1.2
GWh a year. Low 2015, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | 101 | Not reported | 12 of 12 |
| 2002 | 141 | Not reported | 12 of 12 |
| 2003 | 313 | Not reported | 12 of 12 |
| 2004 | 574 | Not reported | 12 of 12 |
| 2005 | 264 | Not reported | 12 of 12 |
| 2006 | 56 | Not reported | 12 of 12 |
| 2007 | 25 | Not reported | 12 of 12 |
| 2008 | 107 | Not reported | 12 of 12 |
| 2009 | 34 | Not reported | 12 of 12 |
| 2010 | 32 | 0.0% | 12 of 12 |
| 2011 | 64 | 0.0% | 12 of 12 |
| 2012 | 46 | 0.0% | 12 of 12 |
| 2013 | 0 | 0.0% | 12 of 12 |
| 2014 | 170 | 0.1% | 12 of 12 |
| 2015 | 0 | 0.0% | 12 of 12 |
| 2016 | 55 | 0.0% | 12 of 12 |
| 2017 | 51 | 0.0% | 12 of 12 |
| 2018 | 189 | 0.1% | 12 of 12 |
| 2019 | 354 | 0.2% | 12 of 12 |
| 2020 | 46 | 0.0% | 12 of 12 |
| 2021 | 0 | 0.0% | 12 of 12 |
| 2022 | 800 | 0.4% | 12 of 12 |
| 2023 | 1,175 | 0.6% | 12 of 12 |
| 2024 | 651 | 0.3% | 12 of 12 |
| 2025 | 86 | 0.0% | 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 account · SPPEmissions
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 |
|---|---|---|---|
| GT1 | Petroleum Liquids | 23.8 | January 1970 |
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 Spencer - (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 Spencer Gas Turbine
How much power does Spencer Gas Turbine produce?
Spencer Gas Turbine reported 86 MWh (86 MWh) of net generation in 2025, a 0.0% capacity factor on 23.8 MW of nameplate capacity.
Where is Spencer Gas Turbine?
Spencer Gas Turbine is in Clay County, Iowa, at 43.1446, −95.1443. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Spencer Gas Turbine?
EIA-860M for August 2026 lists City of Spencer - (IA) as the operator (EIA operator ID 17783). The operator is not always the owner.
When did Spencer Gas Turbine start operating?
Its first generator began operating in January 1970, according to EIA-860M.
Does InfraMap have power prices for Spencer Gas Turbine?
Yes. InfraMap has SPP day-ahead and real-time prices at 1 price node linked to Spencer Gas Turbine, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- SPP day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page