Mountain Creek
Dallas County, Texas · EIA plant ID 3453 · Operator: Mountain Creek Power, LLC
Nameplate852MWSummer 808 MW
Generators3in service
Net generation546GWh12 mo to Dec 2025
Capacity factor8%gas/coal/oil units, summer MW
Heat rate13,077Btu/kWhfossil units, electric fuel, HHV
First online1956Runs as peaking
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 | 1,680.4 | 21.3% | 11,341 |
| 2002 | 971.7 | 12.5% | 12,446 |
| 2003 | 739.2 | 9.5% | 14,990 |
| 2004 | 454.4 | 5.8% | 16,684 |
| 2005 | 660.2 | 8.5% | 14,418 |
| 2006 | 530.1 | 6.8% | 13,227 |
| 2007 | 378.2 | 4.9% | 13,737 |
| 2008 | 246.4 | 3.1% | 12,354 |
| 2009 | 664.7 | 9.3% | 11,765 |
| 2010 | 705.6 | 10.0% | 11,824 |
| 2011 | 627.1 | 8.9% | 12,050 |
| 2012 | 847 | 11.9% | 11,090 |
| 2013 | 285.1 | 4.0% | 12,052 |
| 2014 | 206 | 2.9% | 13,947 |
| 2015 | 406.3 | 5.7% | 12,083 |
| 2016 | 506.4 | 7.1% | 11,600 |
| 2017 | 182.9 | 2.6% | 12,619 |
| 2018 | 408.7 | 5.8% | 15,121 |
| 2019 | 413 | 5.8% | 12,272 |
| 2020 | 395.7 | 5.5% | 11,883 |
| 2021 | 505.1 | 7.0% | 12,866 |
| 2022 | 584 | 8.1% | 12,252 |
| 2023 | 605.3 | 8.6% | 12,088 |
| 2024 | 479.5 | 6.8% | 12,160 |
| 2025 | 546.3 | 7.7% | 13,077 |
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 |
|---|---|---|---|---|---|---|---|---|
| 6 | Natural Gas Steam Turbine | ST | 135.7 | 122 | Feb 1956 | Operating | — | coming soon |
| 7 | Natural Gas Steam Turbine | ST | 136 | 118 | Mar 1958 | Operating | — | coming soon |
| 8 | Natural Gas Steam Turbine | ST | 580.5 | 568 | Jul 1967 | Operating | — | coming soon |
| 2 | Natural Gas Steam Turbine | ST | 31.2 | 24 | Dec 1945 | Retired Mar 2009 | — | coming soon |
| 3 | Natural Gas Steam Turbine | ST | 74.9 | 70 | May 1949 | Retired Mar 2009 | — | coming soon |
Owner / operator
Operator: Mountain Creek Power, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Mountain Creek Power, LLC | 100.0% | 852 MW |
Nearby plants
Within 80 km.
| WAL896 | 1 MW | 10.9 km |
| Cedar Hill ESS | — | 12.4 km |
| OTHERBenEKDallas | 2 MW | 13.1 km |
| Liggett Switch | 10 MW | 13.2 km |
| SMT Dallas III BESS | 10 MW | 13.2 km |
| WAL3285 | 1 MW | 14 km |