Diamond Spring, LLC
Wind power plant in Johnston County, Oklahoma. 303.5 MW of nameplate capacity across 1 generator, operated by ALLETE Clean Energy.
Also known as Diamond Spring Wind Farm · Diamond Spring · EIA plant 63327
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 303.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2020First generator online
- Operator
- ALLETE Clean EnergyEIA operator ID 59496
- Grid
- SPPBalancing authority SWPP
- Price nodes
- 1 SPP nodeResource nodes with prices
- Location
- Johnston County, OK34.4874, −96.7805
- EIA plant ID
- 63327EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Diamond Spring produces
Free · EIA-923Net generation, 2025
733 GWh
733,144 MWh, final
Capacity factor, 2025
27.6%
2024: 25.7%
January to July 2026
564 GWh
Provisional
Range, 2021 to 2025
0.7–1.0
TWh 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 | 177,422 | Not reported | 3 of 12 |
| 2021 | 973,457 | 36.6% | 12 of 12 |
| 2022 | 1,031,805 | 38.8% | 12 of 12 |
| 2023 | 926,767 | 34.9% | 12 of 12 |
| 2024 | 683,917 | 25.7% | 12 of 12 |
| 2025 | 733,144 | 27.6% | 12 of 12 |
| 2026 (provisional, partial year) | 563,804 | 36.5% | 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 |
|---|---|---|---|
| 46001 | Onshore Wind Turbine | 303.5 | December 2020 |
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.
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Power plants near Diamond Spring
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Questions about Diamond Spring
How much power does Diamond Spring, LLC produce?
Diamond Spring, LLC reported 733,144 MWh (733 GWh) of net generation in 2025, a 27.6% capacity factor on 303.5 MW of nameplate capacity. From January to July 2026 it reported 564 GWh, which is provisional.
Where is Diamond Spring, LLC?
Diamond Spring, LLC is in Johnston County, Oklahoma, at 34.4874, −96.7805. It is in the Southwest Power Pool balancing area (SWPP).
Who operates Diamond Spring, LLC?
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 Diamond Spring, LLC start operating?
Its first generator began operating in December 2020, according to EIA-860M.
Does InfraMap have power prices for Diamond Spring, LLC?
Yes. InfraMap has SPP day-ahead and real-time prices at 1 price node linked to Diamond Spring, 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)
- SPP 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. Wind Turbine Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page