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512 MW Conventional Steam Coal (500 MW) + Solar Photovoltaic (13 MW) operating in Uintah, UT — PacifiCorp - East
512 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Conventional Steam Coal + Solar Photovoltaic
1986
Operating Since
Coordinates
40.0864, -109.2844
County
Uintah, UT
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Deseret Generation & Tran Coop | Deseret Generation & Tran Coop | — |
| Owner(s) | Deseret Generation & Tran Coop, Utah Municipal Power Agency | — | — |
| Status | Operating | operating | — |
The Bonanza power plant, located in Uintah County, Utah, has a total capacity of 512 MW. The plant began operating in 1986 and is operated by Deseret Generation & Tran Coop. The primary fuel source is bituminous coal, utilizing conventional steam coal technology. Bonanza is a hybrid plant, also incorporating solar photovoltaic generation with single-axis tracking. It is the fourth-largest power plant in Utah and ranks 39th nationally.
The plant operates within the PacifiCorp - East balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In its latest year of reported generation, Bonanza produced 2,536,559 MWh, achieving a capacity factor of 56.8%. Financial data indicates an installed cost of $493.63 per kW, with data sourced from FERC and LBNL Solar.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
336.0K MWh
Latest Month
2.5M MWh
Annual Generation
56.8%
Capacity Factor
CO₂ Intensity
2446 lb/MWh
NOx
3 lb/MWh
SO₂
Data from 2015–2024
$17.4/MWh
Energy Value
$12.7/MWh
Capacity Value
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 7 articlesPacifiCorp - East (PACE)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
0.388 lb/MWh
CH₄
0.250 lb/MWh
N₂O
0.036 lb/MWh
Capacity Factor
70.5%
Annual Net Gen
3161 GWh
CO₂eq
2462 lb/MWh
Subregion
WECC Northwest