State Center
Oil and natural gas power plant in Marshall County, Iowa. 7.1 MW of nameplate capacity across 6 generators, operated by City of State Center - (IA).
Also known as EIA plant 1187
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 7.1 MWOil 3.8 · Natural gas 2.5 · Solar 0.8
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- August 1972First generator online
- Operator
- City of State Center - (IA)EIA operator ID 18014
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Marshall County, IA42.0167, −93.1633
- EIA plant ID
- 1187EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power State Center produces
Free · EIA-923Net generation, 2025
153 MWh
153 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
53.0–467.0
MWh a year. Low 2023, high 2021
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | 356 | Not reported | 12 of 12 |
| 2003 | 923 | Not reported | 12 of 12 |
| 2004 | 434 | Not reported | 12 of 12 |
| 2005 | 102 | Not reported | 12 of 12 |
| 2006 | 177 | Not reported | 12 of 12 |
| 2007 | 207 | Not reported | 12 of 12 |
| 2008 | 34 | Not reported | 12 of 12 |
| 2009 | 18 | Not reported | 12 of 12 |
| 2010 | 116 | 0.2% | 12 of 12 |
| 2011 | 202 | 0.4% | 12 of 12 |
| 2012 | 270 | 0.5% | 12 of 12 |
| 2013 | 62 | 0.1% | 12 of 12 |
| 2014 | 62 | 0.1% | 12 of 12 |
| 2015 | 104 | 0.2% | 12 of 12 |
| 2016 | 158 | Not reported | 12 of 12 |
| 2017 | 90 | 0.2% | 12 of 12 |
| 2018 | 126 | 0.2% | 12 of 12 |
| 2019 | 117 | 0.2% | 12 of 12 |
| 2020 | 284 | 0.5% | 12 of 12 |
| 2021 | 467 | Not reported | 12 of 12 |
| 2022 | 82 | 0.1% | 12 of 12 |
| 2023 | 53 | 0.1% | 12 of 12 |
| 2024 | 75 | 0.1% | 12 of 12 |
| 2025 | 153 | 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 account · MISOEmissions
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 | 0.6 | May 1995 |
| 2 | Petroleum Liquids | 0.6 | May 1995 |
| 3 | Petroleum Liquids | 1.3 | May 1995 |
| 4 | Petroleum Liquids | 1.3 | May 1995 |
| 6 | Natural Gas Internal Combustion Engine | 2.5 | August 1972 |
| 7 | Solar Photovoltaic | 0.8 | December 2017 |
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 State Center - (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.
300 analyst questions a month, plus MCP
Query State Center and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near State Center
Questions about State Center
How much power does State Center produce?
State Center reported 153 MWh (153 MWh) of net generation in 2025, a 0.2% capacity factor on 7.1 MW of nameplate capacity.
Where is State Center?
State Center is in Marshall County, Iowa, at 42.0167, −93.1633. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates State Center?
EIA-860M for August 2026 lists City of State Center - (IA) as the operator (EIA operator ID 18014). The operator is not always the owner.
Is State Center a oil or a natural gas plant?
Both. Oil capacity totals 3.8 MW and natural gas capacity totals 2.5 MW, with 0.8 MW of solar.
When did State Center start operating?
Its first generator began operating in August 1972, according to EIA-860M.
Does InfraMap have power prices for State Center?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to State Center, 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)
- MISO 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