Charles City Wind Farm
Wind power plant in Floyd County, Iowa. 80 MW of nameplate capacity across 1 generator, operated by MidAmerican Energy Co.
Also known as EIA plant 56677
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 80 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- April 2008First generator online
- Operator
- MidAmerican Energy CoEIA operator ID 12341
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Floyd County, IA43.0003, −92.6200
- EIA plant ID
- 56677EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Charles City Wind Farm produces
Free · EIA-923Net generation, 2025
268 GWh
267,700 MWh, final
Capacity factor, 2025
38.2%
2024: 39.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
206.1–307.4
GWh a year. Low 2018, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | 164,869 | Not reported | 10 of 12 |
| 2009 | 216,581 | Not reported | 12 of 12 |
| 2010 | 216,610 | 33.0% | 12 of 12 |
| 2011 | 218,260 | 33.2% | 12 of 12 |
| 2012 | 219,089 | 33.3% | 12 of 12 |
| 2013 | 233,922 | 35.6% | 12 of 12 |
| 2014 | 240,820 | 36.7% | 12 of 12 |
| 2015 | 230,232 | 35.0% | 12 of 12 |
| 2016 | 211,333 | 32.1% | 12 of 12 |
| 2017 | 216,311 | 32.9% | 12 of 12 |
| 2018 | 206,113 | 31.4% | 12 of 12 |
| 2019 | 236,902 | Not reported | 12 of 12 |
| 2020 | 246,973 | 35.1% | 12 of 12 |
| 2021 | 254,715 | 36.3% | 12 of 12 |
| 2022 | 307,421 | 43.9% | 12 of 12 |
| 2023 | 258,290 | 36.9% | 12 of 12 |
| 2024 | 274,131 | 39.0% | 12 of 12 |
| 2025 | 267,700 | 38.2% | 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. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CCWF | Onshore Wind Turbine | 80.0 | April 2008 |
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.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Charles City Wind Farm
More plants operated by MidAmerican Energy Co
Questions about Charles City Wind Farm
How much power does Charles City Wind Farm produce?
Charles City Wind Farm reported 267,700 MWh (268 GWh) of net generation in 2025, a 38.2% capacity factor on 80 MW of nameplate capacity.
Where is Charles City Wind Farm?
Charles City Wind Farm is in Floyd County, Iowa, at 43.0003, −92.6200. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Charles City Wind Farm?
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 Charles City Wind Farm start operating?
Its first generator began operating in April 2008, according to EIA-860M.
Does InfraMap have power prices for Charles City Wind Farm?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Charles City Wind Farm, 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