Storm Lake II
Wind power plant in Buena Vista County, Iowa. 80.2 MW of nameplate capacity across 1 generator, operated by ALLETE Clean Energy.
Also known as Storm Lake II Wind Farm · EIA plant 55287
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 80.2 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- April 1999First generator online
- Operator
- ALLETE Clean EnergyEIA operator ID 59496
- Grid
- MISOBalancing authority MISO
- Price nodes
- 2 MISO nodesResource nodes with prices
- Location
- Buena Vista County, IA42.8417, −95.4050
- EIA plant ID
- 55287EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Storm Lake II produces
Free · EIA-923Net generation, 2025
115 GWh
114,614 MWh, final
Capacity factor, 2025
16.3%
2024: 16.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
114.2–185.9
GWh a year. Low 2024, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 209,149 | Not reported | 12 of 12 |
| 2001 | 195,482 | Not reported | 12 of 12 |
| 2002 | 244,249 | Not reported | 12 of 12 |
| 2003 | 192,459 | Not reported | 12 of 12 |
| 2004 | 180,253 | Not reported | 12 of 12 |
| 2005 | 193,189 | Not reported | 12 of 12 |
| 2006 | 204,631 | Not reported | 12 of 12 |
| 2007 | 201,248 | Not reported | 12 of 12 |
| 2008 | 161,223 | Not reported | 12 of 12 |
| 2009 | 158,285 | Not reported | 12 of 12 |
| 2010 | 166,078 | 23.6% | 12 of 12 |
| 2011 | 188,622 | 26.8% | 12 of 12 |
| 2012 | 195,964 | 27.8% | 12 of 12 |
| 2013 | 192,947 | 27.5% | 12 of 12 |
| 2014 | 192,596 | 27.4% | 12 of 12 |
| 2015 | 185,884 | 26.5% | 12 of 12 |
| 2016 | 154,290 | 21.9% | 12 of 12 |
| 2017 | 152,092 | 21.6% | 12 of 12 |
| 2018 | 134,257 | 19.1% | 12 of 12 |
| 2019 | 136,692 | 19.5% | 12 of 12 |
| 2020 | 151,264 | 21.5% | 12 of 12 |
| 2021 | 153,814 | 21.9% | 12 of 12 |
| 2022 | 160,475 | 22.8% | 12 of 12 |
| 2023 | 125,639 | 17.9% | 12 of 12 |
| 2024 | 114,211 | 16.2% | 12 of 12 |
| 2025 | 114,614 | 16.3% | 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 |
|---|---|---|---|
| EXIS | Onshore Wind Turbine | 80.2 | April 1999 |
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 ALLETE Clean Energy 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.
300 analyst questions a month, plus MCP
Query Storm Lake II and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Storm Lake II
More plants operated by ALLETE Clean Energy
Questions about Storm Lake II
How much power does Storm Lake II produce?
Storm Lake II reported 114,614 MWh (115 GWh) of net generation in 2025, a 16.3% capacity factor on 80.2 MW of nameplate capacity.
Where is Storm Lake II?
Storm Lake II is in Buena Vista County, Iowa, at 42.8417, −95.4050. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Storm Lake II?
EIA-860M for August 2026 lists ALLETE Clean Energy as the operator (EIA operator ID 59496). The operator is not always the owner.
When did Storm Lake II start operating?
Its first generator began operating in April 1999, according to EIA-860M.
Does InfraMap have power prices for Storm Lake II?
Yes. InfraMap has MISO day-ahead and real-time prices at 2 price nodes linked to Storm Lake II, 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