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2326 MW Conventional Steam Coal (1162 MW) + Natural Gas Steam Turbine (1164 MW) operating in Sweetwater, WY — PacifiCorp - East
2,326 MW
Nameplate Capacity
4
Generators
units
Hybrid (2)
Technology
Conventional Steam Coal + Natural Gas Steam Turbine
1974
Operating Since
Coordinates
41.7378, -108.7875
County
Sweetwater, WY
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | Idaho Power | — |
| Owner(s) | Idaho Power Co, PacifiCorp | IDACORP | — |
| Status | Operating | — | — |
Jim Bridger Steam Plant is a coal and gas-fired power plant in Wyoming.
Read more on WikipediaThe Jim Bridger power plant is located in Sweetwater County, Wyoming. It is owned by IDACORP and operated by PacifiCorp. The plant has a total capacity of 2326 MW across 4 generators, making it the largest of 4 power plants in Wyoming and ranking it 18th out of 945 plants nationally. The plant began operating in 1974 and utilizes both conventional steam coal and natural gas steam turbine technologies, classifying it as a hybrid plant. The primary fuel source is natural gas.
In the latest annual reporting period, Jim Bridger generated 7,596,779 MWh of electricity, achieving a capacity factor of 37.2%. The plant operates within the PacifiCorp - East balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates an installed cost of $814.99 per kW, based on FERC and FERC EQ data. The plant also has a PPA price of $10.78 per MWh.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
472.3K MWh
Latest Month
7.6M MWh
Annual Generation
37.2%
Capacity Factor
CO₂ Intensity
2359 lb/MWh
NOx
1 lb/MWh
SO₂
PacifiCorp · Data from 2015–2025
$10.8/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-04-09
View all articlesNo ask pi reports yet for this entity.
ask pi about Jim BridgerPacifiCorp - East (PACE)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
2 lb/MWh
CH₄
0.270 lb/MWh
N₂O
0.039 lb/MWh
Capacity Factor
40.8%
Annual Net Gen
8320 GWh
CO₂eq
2377 lb/MWh
Subregion
WECC Northwest