Emerald Grove
Pecos County, Texas · EIA plant ID 63233 · Operator: Luminant Generation Company LLC
Nameplate108MWSummer 108 MW
Generators1in service
Net generation226GWh12 mo to Aug 2026
Capacity factor24%solar units, summer MW
Heat rate—thermal plants only
First online2023
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), solar 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.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2022 | 135.4 | — | — |
| 2023 | 283.8 | 35.8% | — |
| 2024 | 278.7 | 29.4% | — |
| 2025 | 256.3 | 27.1% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| UNIT1 | Solar Photovoltaic | PV | 108 | 108 | Mar 2023 | Operating | — | coming soon |
Owner / operator
Operator: Luminant Generation Company LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Luminant Generation Company LLC | 100.0% | 108 MW |
Nearby plants
Within 80 km.
| Crossett Power Management LLC | 203 MW | 11.7 km |
| Mendoza Trail BESS | 200 MW | 11.9 km |
| East Pecos Solar | 119 MW | 12.7 km |
| Hydra | 200 MW | 13 km |
| Alamo 6 | 105 MW | 14 km |
| Greasewood Solar | 255 MW | 14.1 km |