Coralville GT
Natural gas power plant in Johnson County, Iowa. 72 MW of nameplate capacity across 4 generators, operated by MidAmerican Energy Co.
Also known as Coralville Turbines · EIA plant 1079
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 72 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- June 1970First generator online
- Operator
- MidAmerican Energy CoEIA operator ID 12341
- Grid
- MISOBalancing authority MISO
- Price nodes
- 3 MISO nodesResource nodes with prices
- Location
- Johnson County, IA41.6719, −91.5640
- EIA plant ID
- 1079EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Coralville GT produces
Free · EIA-923Net generation, 2025
2.50 GWh
2,498 MWh, final
Capacity factor, 2025
0.4%
2024: 0.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
−0.8–3.2
GWh a year. Low 2015, high 2021
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 1,854 | Not reported | 12 of 12 |
| 2001 | 3,532 | Not reported | 12 of 12 |
| 2002 | −193 | Not reported | 12 of 12 |
| 2003 | −430 | Not reported | 11 of 12 |
| 2004 | −33 | Not reported | 12 of 12 |
| 2005 | −528 | Not reported | 12 of 12 |
| 2006 | 149 | Not reported | 12 of 12 |
| 2007 | −227 | Not reported | 12 of 12 |
| 2008 | −320 | Not reported | 12 of 12 |
| 2009 | 862 | Not reported | 12 of 12 |
| 2010 | 548 | 0.1% | 12 of 12 |
| 2011 | 498 | 0.1% | 12 of 12 |
| 2012 | 584 | 0.1% | 12 of 12 |
| 2013 | −492 | -0.1% | 12 of 12 |
| 2014 | −223 | -0.0% | 12 of 12 |
| 2015 | −754 | -0.1% | 12 of 12 |
| 2016 | 165 | 0.0% | 12 of 12 |
| 2017 | 715 | 0.1% | 12 of 12 |
| 2018 | 271 | 0.0% | 12 of 12 |
| 2019 | −716 | -0.1% | 12 of 12 |
| 2020 | −48 | -0.0% | 12 of 12 |
| 2021 | 3,220 | 0.5% | 12 of 12 |
| 2022 | 2,843 | 0.5% | 12 of 12 |
| 2023 | 1,028 | 0.2% | 12 of 12 |
| 2024 | 800 | 0.1% | 12 of 12 |
| 2025 | 2,498 | 0.4% | 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 | Natural Gas Fired Combustion Turbine | 18.0 | June 1970 |
| 2 | Natural Gas Fired Combustion Turbine | 18.0 | June 1970 |
| 3 | Natural Gas Fired Combustion Turbine | 18.0 | June 1970 |
| 4 | Natural Gas Fired Combustion Turbine | 18.0 | June 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 MidAmerican Energy Co 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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Power plants near Coralville GT
More plants operated by MidAmerican Energy Co
Questions about Coralville GT
How much power does Coralville GT produce?
Coralville GT reported 2,498 MWh (2.50 GWh) of net generation in 2025, a 0.4% capacity factor on 72 MW of nameplate capacity.
Where is Coralville GT?
Coralville GT is in Johnson County, Iowa, at 41.6719, −91.5640. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Coralville GT?
EIA-860M for August 2026 lists MidAmerican Energy Co as the operator (EIA operator ID 12341). The operator is not always the owner.
When did Coralville GT start operating?
Its first generator began operating in June 1970, according to EIA-860M.
Does InfraMap have power prices for Coralville GT?
Yes. InfraMap has MISO day-ahead and real-time prices at 3 price nodes linked to Coralville GT, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page