MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/58218
EIA plant 58218

Geyser · Judith Basin · MT

Spion Kop Wind Farm

Operated by NorthWestern Energy (MT wind/thermal)

Annual generation110,819 MWhSum of represented EIA-923 rows
Fuel codesWNDCodes retained from EIA records
Grid contextNorthWestern Energy (NWMT)Balancing authority or NERC region

Published location

Where is Spion Kop Wind Farm?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

47.333333, -110.639167

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Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
113,247 MWh
210,950 MWh
36,516 MWh
410,442 MWh
57,664 MWh
69,816 MWh
74,907 MWh
85,030 MWh
98,694 MWh
108,362 MWh
1110,934 MWh
1214,257 MWh

Operating generators

IDTechnologyFuelMWStatus
SKW25Onshore Wind TurbineWND40OP

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Identity, technology and limitations
EIA plant ID
58218
Sector
Electric Utility
Water source
Unavailable
Data edition
2024-final