Webster City
Oil power plant in Hamilton County, Iowa. 21.3 MW of nameplate capacity across 1 generator, operated by City of Webster City - (IA).
Also known as Webster City Power Plant · EIA plant 1198
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Key facts
- Capacity
- 21.3 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- April 1972First generator online
- Operator
- City of Webster City - (IA)EIA operator ID 20259
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 SPP nodeResource nodes with prices
- Location
- Hamilton County, IA42.4710, −93.8150
- EIA plant ID
- 1198EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Webster City produces
Free · EIA-923Net generation, 2025
383 MWh
383 MWh, final
Capacity factor, 2025
0.2%
2024: 0.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.1–3.4
GWh a year. Low 2020, 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 | 232 | Not reported | 12 of 12 |
| 2003 | 422 | Not reported | 12 of 12 |
| 2004 | 85 | Not reported | 12 of 12 |
| 2005 | 64 | Not reported | 12 of 12 |
| 2006 | 50 | Not reported | 12 of 12 |
| 2007 | 41 | Not reported | 12 of 12 |
| 2008 | 140 | Not reported | 12 of 12 |
| 2009 | 34 | Not reported | 12 of 12 |
| 2010 | 44 | 0.0% | 12 of 12 |
| 2011 | 27 | 0.0% | 12 of 12 |
| 2012 | 51 | 0.0% | 12 of 12 |
| 2013 | 31 | 0.0% | 12 of 12 |
| 2014 | 35 | 0.0% | 12 of 12 |
| 2015 | 229 | 0.1% | 12 of 12 |
| 2016 | 422 | 0.2% | 12 of 12 |
| 2017 | 68 | 0.0% | 12 of 12 |
| 2018 | 203 | 0.1% | 12 of 12 |
| 2019 | 657 | 0.4% | 12 of 12 |
| 2020 | 56 | 0.0% | 12 of 12 |
| 2021 | 3,372 | 1.8% | 12 of 12 |
| 2022 | 1,490 | 0.8% | 12 of 12 |
| 2023 | 2,038 | 1.1% | 12 of 12 |
| 2024 | 809 | 0.4% | 12 of 12 |
| 2025 | 383 | 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 · 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 |
|---|---|---|---|
| 6 | Petroleum Liquids | 21.3 | April 1972 |
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 Webster 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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Power plants near Webster City
Questions about Webster City
How much power does Webster City produce?
Webster City reported 383 MWh (383 MWh) of net generation in 2025, a 0.2% capacity factor on 21.3 MW of nameplate capacity.
Where is Webster City?
Webster City is in Hamilton County, Iowa, at 42.4710, −93.8150. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Webster City?
EIA-860M for August 2026 lists City of Webster City - (IA) as the operator (EIA operator ID 20259). The operator is not always the owner.
When did Webster City start operating?
Its first generator began operating in April 1972, according to EIA-860M.
Does InfraMap have power prices for Webster City?
Yes. InfraMap has SPP day-ahead and real-time prices at 1 price node linked to Webster City, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page