Wild Springs
Solar power plant in Pennington County, South Dakota. 128 MW of nameplate capacity across 1 generator, operated by Geronimo Power.
Also known as Wild Springs Solar · EIA plant 67018
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 128 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- June 2024First generator online
- Operator
- Geronimo PowerEIA operator ID 62759
- Grid
- WACMBalancing authority WACM
- Price nodes
- 2 SPP nodesResource nodes with prices
- Location
- Pennington County, SD44.0700, −102.8400
- EIA plant ID
- 67018EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Wild Springs produces
Free · EIA-923Net generation, 2025
264 GWh
263,684 MWh, final
Capacity factor, 2025
23.5%
2024: Not reported
January to July 2026
176 GWh
Provisional
| 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 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | 162,324 | Not reported | 7 of 12 |
| 2025 | 263,684 | 23.5% | 12 of 12 |
| 2026 (provisional, partial year) | 176,225 | 27.1% | 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 · 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. 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 |
|---|---|---|---|
| WLDSP | Solar Photovoltaic | 128.0 | June 2024 |
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 Wild Springs
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Questions about Wild Springs
How much power does Wild Springs produce?
Wild Springs reported 263,684 MWh (264 GWh) of net generation in 2025, a 23.5% capacity factor on 128 MW of nameplate capacity. From January to July 2026 it reported 176 GWh, which is provisional.
Where is Wild Springs?
Wild Springs is in Pennington County, South Dakota, at 44.0700, −102.8400. It is in the Western Area Power Administration - Rocky Mountain Region balancing area (WACM).
Who operates Wild Springs?
EIA-860M for August 2026 lists Geronimo Power as the operator (EIA operator ID 62759). The operator is not always the owner.
When did Wild Springs start operating?
Its first generator began operating in June 2024, according to EIA-860M.
Does InfraMap have power prices for Wild Springs?
Yes. InfraMap has SPP day-ahead and real-time prices at 2 price nodes linked to Wild Springs, 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