MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/58438
EIA plant 58438

Spearfish · Lawrence · SD

Spearfish Hydro

Operated by City of Spearfish

Annual generation19,930 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextWestern Area Power Administration - Rocky Mountain RegionBalancing authority or NERC region

Published location

Where is Spearfish Hydro?

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

44.478333, -103.854722

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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
11,510 MWh
21,443 MWh
31,555 MWh
42,046 MWh
52,444 MWh
61,890 MWh
71,703 MWh
81,605 MWh
91,459 MWh
101,383 MWh
111,458 MWh
121,434 MWh

Operating generators

IDTechnologyFuelMWStatus
TURB1Conventional HydroelectricWAT2OP
TURB2Conventional HydroelectricWAT2OP

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Identity, technology and limitations
EIA plant ID
58438
Sector
Electric Utility
Water source
Spearfish Creek
Data edition
2024-final