Maquoketa 1
Natural gas and oil power plant in Jackson County, Iowa. 22.7 MW of nameplate capacity across 8 generators, operated by City of Maquoketa - (IA).
Also known as Maquoketa 1 Power Station · EIA plant 1162
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 22.7 MWNatural gas 17.3 · Oil 5.4
- Generators
- 8 operatingEIA-860M, August 2026
- Operating since
- November 1962First generator online
- Operator
- City of Maquoketa - (IA)EIA operator ID 11611
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Jackson County, IA42.0356, −90.6650
- EIA plant ID
- 1162EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Maquoketa 1 produces
Free · EIA-923Net generation, 2025
−183 MWh
−183 MWh, final
Capacity factor, 2025
-0.1%
2024: -0.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
−693.0–27.0
MWh a year. Low 2017, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | 1,333 | Not reported | 12 of 12 |
| 2002 | 1,238 | Not reported | 12 of 12 |
| 2003 | 1,901 | Not reported | 12 of 12 |
| 2004 | 882 | Not reported | 12 of 12 |
| 2005 | −555 | Not reported | 12 of 12 |
| 2006 | −470 | Not reported | 12 of 12 |
| 2007 | 1,885 | Not reported | 12 of 12 |
| 2008 | 553 | Not reported | 12 of 12 |
| 2009 | −712 | Not reported | 12 of 12 |
| 2010 | −46 | -0.0% | 12 of 12 |
| 2011 | −498 | -0.2% | 12 of 12 |
| 2012 | 794 | 0.4% | 12 of 12 |
| 2013 | −660 | -0.3% | 12 of 12 |
| 2014 | −720 | -0.3% | 12 of 12 |
| 2015 | −665 | -0.3% | 12 of 12 |
| 2016 | −625 | -0.3% | 12 of 12 |
| 2017 | −693 | Not reported | 12 of 12 |
| 2018 | −610 | -0.3% | 12 of 12 |
| 2019 | −550 | -0.3% | 12 of 12 |
| 2020 | −684 | -0.3% | 12 of 12 |
| 2021 | −515 | -0.2% | 12 of 12 |
| 2022 | −176 | -0.1% | 12 of 12 |
| 2023 | 27 | 0.0% | 12 of 12 |
| 2024 | −595 | -0.3% | 12 of 12 |
| 2025 | −183 | -0.1% | 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 |
|---|---|---|---|
| 1A | Natural Gas Internal Combustion Engine | 3.1 | June 2004 |
| 2A | Natural Gas Internal Combustion Engine | 3.1 | June 2004 |
| 3 | Natural Gas Internal Combustion Engine | 2.1 | October 1969 |
| 4A | Petroleum Liquids | 1.8 | July 1999 |
| 6 | Natural Gas Internal Combustion Engine | 2.5 | November 1962 |
| 7 | Natural Gas Internal Combustion Engine | 6.5 | September 1982 |
| 8 | Petroleum Liquids | 1.8 | September 1996 |
| 9 | Petroleum Liquids | 1.8 | July 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 Maquoketa - (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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Power plants near Maquoketa 1
More plants operated by City of Maquoketa - (IA)
Questions about Maquoketa 1
How much power does Maquoketa 1 produce?
Maquoketa 1 reported −183 MWh (−183 MWh) of net generation in 2025.
Where is Maquoketa 1?
Maquoketa 1 is in Jackson County, Iowa, at 42.0356, −90.6650. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Maquoketa 1?
EIA-860M for August 2026 lists City of Maquoketa - (IA) as the operator (EIA operator ID 11611). The operator is not always the owner.
Is Maquoketa 1 a natural gas or a oil plant?
Both. Natural gas capacity totals 17.3 MW and oil capacity totals 5.4 MW.
When did Maquoketa 1 start operating?
Its first generator began operating in November 1962, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page