R W Miller
Palo Pinto County, Texas · EIA plant ID 3628 · Operator: RW Miller Power LLC
Nameplate604MWSummer 587 MW
Generators5in service
Net generation516GWh12 mo to Aug 2026
Capacity factor11%gas/coal/oil units, summer MW
Heat rate12,405Btu/kWhfossil units, electric fuel, HHV
First online1968Runs as peaking
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 | 1,242.1 | — | — |
| 2002 | 717.6 | — | — |
| 2003 | 520.4 | 9.7% | 11,119 |
| 2004 | 373.9 | 7.4% | 12,098 |
| 2005 | 949.5 | 18.9% | 11,802 |
| 2006 | 760.7 | 15.1% | 11,739 |
| 2007 | 310 | 6.2% | 12,140 |
| 2008 | 542.5 | 10.8% | 11,902 |
| 2009 | 553 | 11.0% | 11,748 |
| 2010 | 384 | 7.6% | 12,015 |
| 2011 | 400.3 | 8.0% | 12,542 |
| 2012 | 297.4 | 5.9% | 12,242 |
| 2013 | 164.7 | 3.3% | 12,243 |
| 2014 | 166 | 3.3% | 13,076 |
| 2015 | 185.3 | 3.7% | 12,761 |
| 2016 | 251.5 | 5.0% | 12,948 |
| 2017 | 141.9 | 2.8% | 13,306 |
| 2018 | 402.1 | 8.0% | 13,211 |
| 2019 | 395 | 7.9% | 13,221 |
| 2020 | 179.8 | 3.6% | 13,098 |
| 2021 | 256.6 | 5.1% | 12,418 |
| 2022 | 354.4 | 7.0% | 12,777 |
| 2023 | 457.9 | 9.1% | 12,637 |
| 2024 | 476.5 | 9.2% | 13,292 |
| 2025 | 880.4 | 17.1% | 12,736 |
Fuel capability
Gas-fired turbines (CT/GT/CA/CS) that can also burn liquid fuel. EIA-860 Schedule 3 for capability, EIA-923 for actual burn.
StatusLikely still dual fuel
Liquid fuel burned · 36 mo255,094 MMBtu
Last month with liquid burnJan 2026
Switch while operatingYes
Net summer MW on gas208
Net summer MW on oil208
Time gas → oilup to 6 h (EIA 6H)
Time oil → gasup to 6 h (EIA 6H)
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 | Natural Gas Steam Turbine | ST | 66 | 66 | Oct 1968 | Operating (Out of service) | — | coming soon |
| 2 | Natural Gas Steam Turbine | ST | 100 | 118 | Jul 1972 | Operating | — | coming soon |
| 3 | Natural Gas Steam Turbine | ST | 200 | 195 | Aug 1975 | Operating | — | coming soon |
| 4 | Natural Gas Fired Combustion Turbine | GT | 118.8 | 104 | Jul 1994 | Operating | — | coming soon |
| 5 | Natural Gas Fired Combustion Turbine | GT | 118.8 | 104 | Jul 1994 | Operating | — | coming soon |
Owner / operator
Operator: RW Miller Power LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| RW Miller Power LLC | 100.0% | 604 MW |
Nearby plants
Within 80 km.
| Mineral Wells East BESS | 10 MW | 27.8 km |
| Buckthorn Wind | 101 MW | 32.5 km |
| La Casa Wind | 150 MW | 34.4 km |
| O'Bannion Energy Storage | — | 42.7 km |
| Silver Star I Wind Power Project | 53 MW | 42.7 km |
| Hecate Energy Longhorn Solar LLC | 650 MW | 43 km |