Show on map
Spearfish Hydro — Power plant · Hydro · City of Spearfish - (SD)
  • Clean firm
  • Operating
  • 10 · 100 · 1,000 MW

Spearfish Hydro

Power plant · Hydro

Key facts

Power plant · Hydroran 53% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1912
Net generation, 2025
18,404 MWh
Grid
69 kV to Black Hills Power Inc (WACM)
Location
Lawrence County, South Dakota
Operated by
City of Spearfish - (SD)SourceEIA-860M Preliminary Monthly Electric Generator Inventory

Output

Net generation MWh by year, 2013 to 2025

Operations detail

Details

Who’s behind it

No companies named in filings yet.

Interested in this project?

Set an alert Book a call Join the beta

Our team gets you what you need.

Beta: private project space · data room · readiness check

Technology
Hydro source: “Conventional Hydroelectric”
Age
114 years since 1912
All 5 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
Grid
Nerc region
MRO
Report year
2025
Grid voltage kv
69
Transmission owner
Black Hills Power Inc
Balancing authority code
WACM
Balancing authority name
Western Area Power Administration - Rocky Mountain Region
Fuel burned (MMBtu), 202562,793
Capacity factor, 20250.525
Net generation (MWh), 202518,404
Balancing authority codeWACM

Timeline

  • In service · EIA-860M

Sources

3 sources

Sources EIA-860M · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory

Sources

Every source and license · Attribution

View at source