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Yellowtail — Power plant · Hydro · U S Bureau of Reclamation
  • Clean firm
  • Operating
  • 10 · 100 · 1,000 MW

Yellowtail

Power plant · Hydro

Key facts

Power plant · Hydroran 23% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1966
Net generation, 2025
566,188 MWh
Grid
230 kV to WAPA-- Western Area Power Administration (WAUW)
Location
Big Horn County, Montana
Operated by
U S Bureau of ReclamationSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Output

Net generation MWh by year, 2001 to 2025

Operations detail

Details

Who’s behind it

No companies named in filings yet.

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Technology
Hydro source: “Conventional Hydroelectric”
Age
60 years since 1966
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
Gem
Unit ids
G100000604007
Location id
L100000603969
Grid
Nerc region
WECC
Report year
2025
Grid voltage kv
230
Transmission owner
WAPA-- Western Area Power Administration
Balancing authority code
WAUW
Balancing authority name
Western Area Power Administration UGP West
Fuel burned (MMBtu), 20251,931,835
Capacity factor, 20250.232
Net generation (MWh), 2025566,188
Balancing authority codeWAUW

Timeline

  • In service · EIA-860M

Sources

4 sources

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

Sources

Every source and license · Attribution

View at source