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318.5 MW Natural Gas operating in Payette, ID — Idaho Power Company
318.5 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combined Cycle
Technology
2012
Operating Since
Coordinates
43.9046, -116.8205
County
Payette, ID
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Idaho Power Co | Idaho Power | — |
| Owner(s) | Idaho Power Co | IDACORP | — |
| Status | Operating | — | — |
Langley Gulch Power Plant is a 318.5 MW natural gas-fired combined cycle facility located in Payette County, Idaho. The plant began operating in 2012 and is owned by IDACORP and operated by Idaho Power Co. It consists of two generators. Langley Gulch is the largest of five natural gas plants in Idaho, and ranks 623rd out of 945 nationally.
In the most recent year of data, the plant generated 1,755,150 MWh, achieving a capacity factor of 63.0%. The plant operates within the Idaho Power Company balancing authority, in the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates an installed cost of $1,184.56 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
206.9K MWh
Latest Month
1.8M MWh
Annual Generation
63.0%
Capacity Factor
CO₂ Intensity
821 lb/MWh
NOx
0.043 lb/MWh
SO₂
Gas turbine · Idaho Power Company · Data from 2015–2024
$1,272/kW
Installed Cost
$17/kW
Annual CapEx
$38.2/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
LMP Node
LGPR_2_G011_G012-APND
Pricing Hub
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ask pi about Langley Gulch Power PlantIdaho Power Company (IPCO)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.004 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
58.4%
Annual Net Gen
1629 GWh
CO₂eq
822 lb/MWh
Subregion
WECC Northwest