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166.4 MW Natural Gas operating in Kootenai, ID
166.4 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combustion Turbine
Technology
1994
Operating Since
Coordinates
47.8043, -116.8673
County
Kootenai, ID
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Avista Corp | Avista | — |
| Owner(s) | Avista Corp | Avista | — |
| Status | Operating | — | — |
The Rathdrum power plant is a 166.4 MW natural gas-fired facility located in Kootenai County, Idaho. The plant began operating in 1994 and consists of two natural gas-fired combustion turbine generators. It is owned and operated by Avista Corporation. The plant is located within the Western Electricity Coordinating Council (WECC) NERC region, and its balancing authority is Avista Corporation.
In the most recent year with available data, Rathdrum generated 866,302 MWh of electricity, achieving a capacity factor of 59.3%. According to available data, the installed cost of the plant was $382.44 per kW. Rathdrum is the 5th largest power plant in Idaho and ranks 802nd nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Avista Corporation (AVA)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
99.2K MWh
Latest Month
866.3K MWh
Annual Generation
59.3%
Capacity Factor
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CO₂ Intensity
1233 lb/MWh
NOx
0.523 lb/MWh
SO₂
0.006 lb/MWh
CH₄
0.026 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
53.5%
Annual Net Gen
779 GWh
CO₂eq
1234 lb/MWh
Subregion
WECC Northwest
Gas turbine · Avista Corporation · Data from 2015–2024
$396/kW
Installed Cost
$1/kW
Annual CapEx
$33.1/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-05-31
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