Wygen 2
Campbell County, Wyoming · EIA plant ID 56319 · Operator: Black Hills Power, Inc. d/b/a
Nameplate95MWSummer 90 MW
Generators1in service
Net generation596GWh12 mo to Dec 2025
Capacity factor76%gas/coal/oil units, summer MW
Heat rate12,755Btu/kWhfossil units, electric fuel, HHV
First online2008Runs as baseload
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) |
|---|---|---|---|
| 2008 | 740.1 | 99.1% | 11,623 |
| 2009 | 766.9 | 103.0% | 11,933 |
| 2010 | 729 | 97.9% | 12,019 |
| 2011 | 674.5 | 90.6% | 12,129 |
| 2012 | 587.8 | 78.7% | 12,050 |
| 2013 | 688.3 | 92.4% | 12,040 |
| 2014 | 697.3 | 93.7% | 12,000 |
| 2015 | 690.6 | 87.6% | 11,964 |
| 2016 | 734.4 | 92.9% | 11,982 |
| 2017 | 745.4 | 94.5% | 11,944 |
| 2018 | 769.5 | 97.6% | 11,947 |
| 2019 | 730.7 | 92.7% | 11,954 |
| 2020 | 716.8 | 90.7% | 11,999 |
| 2021 | 649 | 82.3% | 12,163 |
| 2022 | 720.6 | 91.4% | 12,152 |
| 2023 | 663.4 | 84.1% | 12,337 |
| 2024 | 581.5 | 73.6% | 12,641 |
| 2025 | 595.6 | 75.5% | 12,755 |
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 | 95 | 90 | Jan 2008 | Operating | — | coming soon |
Owner / operator
Operator: Black Hills Power, Inc. d/b/a. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Cheyenne Light Fuel & Power | 100.0% | 95 MW |
Nearby plants
Within 80 km.
| Wygen III | 116 MW | 0 km |
| Wyodak | 362 MW | 0.2 km |
| Wygen 1 | 90 MW | 0.7 km |
| Neil Simpson II | 130 MW | 0.7 km |
| Neil Simpson Gas Turbine #2 | 40 MW | 0.8 km |
| Dry Fork Station | 484 MW | 12.5 km |