Upper Salmon B

Power plant · Hydro

Key facts

Power plant · Hydro Operating

Commissioned: 1947
Net generation, 2025: 89,116 MWh
Grid: 138 kV to Idaho Power Co (IPCO)
Location: Twin Falls County, Idaho
Operated by: Idaho Power CoSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Net generation MWh by year, 2001 to 2025

No companies named in filings yet.

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All 5 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Grid	Nerc region WECC Report year 2025 Grid voltage kv 138 Transmission owner Idaho Power Co Balancing authority code IPCO Balancing authority name Idaho Power Company
Fuel burned (MMBtu), 2025	304,062
Capacity factor, 2025	0.617
Net generation (MWh), 2025	89,116
Balancing authority code	IPCO

3 sources

Sources

EIA-860MOpen license · retrieved Nov 4, 2026
EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
EIA-860M Preliminary Monthly Electric Generator Inventory

Projects within 15 mi, nearest first.
Project	Kind	Away	MW
Notch Butte Wind Park Postponed	Wind	12.4 mi	18

Sources