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Bennett Mountain — Power plant · Gas, combustion turbine · Idaho Power CoBennett Mountain — Gas, combustion turbine · ID · 220 MW · 0.0 km awayCrimson Orchard Solar and BESS — Solar + storage · ID · 200 MW · 7.5 km awayClark 1 Solar — Solar · ID · 71 MW · 22.1 km awayClark 3 Solar — Solar · ID · 30 MW · 23.0 km away
  • Combustion
  • Wind & solar
  • In development
  • Operating
  • 10 · 100 · 1,000 MW

Bennett Mountain

Power plant · Gas, combustion turbine

Key facts

Power plant · Gas, combustion turbineran 66% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2005
Net generation, 2025
999,149 MWh
Grid
230 kV to Idaho Power Co (IPCO)
Location
Elmore County, Idaho
Operated by
Idaho Power Co

Output

Net generation MWh by year, 2007 to 2025
Fuel burned MMBtu by year, 2007 to 2025
  • Gas

Operations detail

Details

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Technology
Gas, combustion turbine source: “Natural Gas Fired Combustion Turbine”
Age
21 years since 2005
Unused energy
515 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate
10,794 Btu/kWh 2025
All 7 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
Grid
Nerc region
WECC
Report year
2025
Grid voltage kv
230
Transmission owner
Idaho Power Co
Balancing authority code
IPCO
Balancing authority name
Idaho Power Company
EPA greenhouse gas reporting (GHGRP)
EPA FRS ID
110013329558
Subparts reported
C, D
NAICS code
221112
Subpart PP (CO2 supply)
No
Subpart RR (geologic sequestration)
No
Subpart UU (CO2 injection)
No
Reporting year
2023
GHGRP facility ID
1000244
Fuel burned (MMBtu), 202510,784,782
Capacity factor, 20250.660
Heat rate (Btu/kWh), 202510,794
Net generation (MWh), 2025999,149
Balancing authority codeIPCO

Ownership

2 companies2
Companies with an ownership or operating interest in this asset.
CompanyRoleShareAs ofSource
Idaho Power Co Operator EIA-860M
IDACORP INC Owner 100.0% 31 Dec 2023 EPA GHGRP

Timeline

  • In service · EIA-860M

Around this plant

Nearby

within 25 km
Projects within 25 km, nearest first.
ProjectKindAwayMW
Bennett Mountain Postponed Gas, combustion turbine 0.0 km 220
Crimson Orchard Solar and BESS Filed Solar + storage 7.5 km 200
Clark 1 Solar Postponed Solar 22.1 km 71
Clark 3 Solar Postponed Solar 23.0 km 30

Sources EIA-860M

Sources

Attribution