Diamond Spring, LLC
Diamond Spring, LLC is a 304 MW wind farm in Johnston County, Oklahoma, operated by ALLETE Clean Energy. EIA-860M lists 1 generating unit here, inside SPP. Its unit entered service in 2020.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 303.5 MW
- 303.5 MW net summer
- Generating units
- 1
- In service
- 2020
- EIA plant ID
- 63327
Where it is
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- County
- Johnston County, Oklahoma
- Coordinates
- 34.4874, -96.7805
- Balancing authority
- SWPP
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- ALLETE Clean Energy
- Primary energy source
- Wind
- Technologies
- Onshore Wind Turbine
- Status
- Operating
Diamond Spring, LLC: FAQ
- Where is Diamond Spring, LLC?
- In Johnston County, Oklahoma (OK). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Diamond Spring, LLC?
- 304 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Diamond Spring, LLC?
- EIA-860M names ALLETE Clean Energy as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Diamond Spring, LLC still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.