Diamond Spring, LLC — Plant Summary
- EIA Plant ID
- 63327
- Capacity
- 303.5 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Johnston, OK
- Operating Since
- 2020
- Generators
- 1
- Operator
- ALLETE Clean Energy
- Parent Company
- —
- Annual Generation
- 733,144 MWh
- Capacity Factor
- 27.6%
- Balancing Authority
- Southwest Power Pool
- ISO/RTO
- SPP
- NERC Region
- MRO
Diamond Spring, LLC
OperatingWind
Ranked #3 of 69 Wind plants in OK#75 of 1442 nationally
303.5 MW Wind operating in Johnston, OK — Southwest Power Pool
EIAGEMWD
303.5 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2020
Operating Since
Location
Coordinates
34.4874, -96.7805
County
Johnston, OK
Nearby Plants
- Glass Sands Wind FacilityWind117 MW · 11.8 km
- Pontotoc WindWind147.5 MW · 18.2 km
- People'sSolar5 MW · 21.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | ALLETE Clean Energy | ALLETE Clean Energy | — |
| Owner(s) | ALLETE Clean Energy | ALLETE Clean Energy [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as ALLETE Clean Energy [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Diamond Spring, LLC is a 303.5 MW wind power plant located in Johnston County, Oklahoma. The facility began operating in 2020 and is owned and operated by ALLETE Clean Energy. It utilizes a single generator consisting of onshore wind turbines. The plant ranks as the 3rd largest of 57 wind facilities in Oklahoma, and 74th out of 734 nationally.
The plant's wind turbines are manufactured by GE Wind, model GE2.75-127, with a hub height of 89 meters and a rotor diameter of 127 meters. In its most recent year of operation, Diamond Spring generated 733,144 MWh of electricity, achieving a capacity factor of 27.6%. The plant operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
97.7K MWh
Latest Month
733.1K MWh
Annual Generation
27.6%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
SPP
LMP Node
OKGE.TNSK.DSW
Pricing Hub
SPP South Hub
Node Source
Curated node match
News & Articles (1)Beta