Bonanza
Uintah County, Utah · EIA plant ID 7790 · Operator: Deseret Generation & Tran Coop
Nameplate512MWSummer 471 MW
Generators2in service
Net generation2,179GWh12 mo to Aug 2026
Capacity factor54%gas/coal/oil units, summer MW
Heat rate10,119Btu/kWhfossil units, electric fuel, HHV
First online1986Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 3,935.5 | — | — |
| 2002 | 3,923.3 | — | — |
| 2003 | 3,516.4 | 94.5% | 10,782 |
| 2004 | 3,737.5 | 92.9% | 10,388 |
| 2005 | 3,716.3 | 92.6% | 10,297 |
| 2006 | 3,895.5 | 97.1% | 10,507 |
| 2007 | 3,450.7 | 86.0% | 10,587 |
| 2008 | 3,734.9 | 92.8% | 10,495 |
| 2009 | 3,354 | 83.6% | 10,457 |
| 2010 | 3,606 | 89.9% | 10,441 |
| 2011 | 3,306.4 | 82.4% | 10,427 |
| 2012 | 3,090.4 | 76.8% | 10,326 |
| 2013 | 3,509.4 | 87.5% | 10,303 |
| 2014 | 3,480 | 86.7% | 10,366 |
| 2015 | 3,406.7 | 84.9% | 10,292 |
| 2016 | 3,063.5 | 76.1% | 9,373 |
| 2017 | 3,400.6 | 84.8% | 9,795 |
| 2018 | 3,654.1 | 91.1% | 10,017 |
| 2019 | 3,737.9 | 93.2% | 10,078 |
| 2020 | 3,257.6 | 81.0% | 10,320 |
| 2021 | 2,916.1 | 72.7% | 10,147 |
| 2022 | 3,450.6 | 86.0% | 10,120 |
| 2023 | 3,161 | 78.8% | 10,321 |
| 2024 | 3,244.1 | 80.0% | 10,465 |
| 2025 | 2,536.6 | 62.5% | 10,090 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Steam Coal | ST | 499.5 | 458 | May 1986 | Operating | — | coming soon |
| 4 | Solar Photovoltaic | PV | 12.5 | 12.5 | May 2023 | Operating | — | coming soon |
Owner / operator
Operator: Deseret Generation & Tran Coop. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Deseret Generation & Tran Coop | 96.3% | 493 MW |
| Utah Municipal Power Agency | 3.7% | 19 MW |
Nearby plants
Within 80 km.
| Taylor Draw Hydroelectric Facility | 2 MW | 48.8 km |
| Bar D | 4 MW | 72.3 km |