Prairie Wolf Solar LLC
Solar power plant in Coles County, Illinois. 200 MW of nameplate capacity across 1 generator, operated by Geronimo Power.
Also known as Prairie Wolf Solar · Prairie Wolf Solar, LLC · EIA plant 62893
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 200 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- November 2021First generator online
- Operator
- Geronimo PowerEIA operator ID 62759
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Coles County, IL39.5446, −87.9720
- EIA plant ID
- 62893EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Prairie Wolf Solar produces
Free · EIA-923Net generation, 2025
380 GWh
379,636 MWh, final
Capacity factor, 2025
21.7%
2024: 20.9%
January to July 2026
227 GWh
Provisional
Range, 2022 to 2025
366.6–400.2
GWh a year. Low 2024, 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 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | 31,360 | Not reported | 2 of 12 |
| 2022 | 400,197 | 22.8% | 12 of 12 |
| 2023 | 378,728 | 21.6% | 12 of 12 |
| 2024 | 366,635 | 20.9% | 12 of 12 |
| 2025 | 379,636 | 21.7% | 12 of 12 |
| 2026 (provisional, partial year) | 226,710 | 22.3% | 7 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 |
|---|---|---|---|
| PWOLF | Solar Photovoltaic | 200.0 | November 2021 |
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 Geronimo Power 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 Prairie Wolf Solar
More plants operated by Geronimo Power
Questions about Prairie Wolf Solar
How much power does Prairie Wolf Solar LLC produce?
Prairie Wolf Solar LLC reported 379,636 MWh (380 GWh) of net generation in 2025, a 21.7% capacity factor on 200 MW of nameplate capacity. From January to July 2026 it reported 227 GWh, which is provisional.
Where is Prairie Wolf Solar LLC?
Prairie Wolf Solar LLC is in Coles County, Illinois, at 39.5446, −87.9720. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Prairie Wolf Solar LLC?
EIA-860M for August 2026 lists Geronimo Power as the operator (EIA operator ID 62759). The operator is not always the owner.
When did Prairie Wolf Solar LLC start operating?
Its first generator began operating in November 2021, according to EIA-860M.
Does InfraMap have power prices for Prairie Wolf Solar LLC?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Prairie Wolf Solar LLC, 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)
- Project names from the USGS U.S. Large-Scale Solar Photovoltaic Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page