Marcos PV and BESSPlanned
Victoria County, Texas · EIA plant ID 68080 · Operator: GRS BESS Texas Eight LLC
232 MW planned (Batteries, Solar Photovoltaic), first expected Aug 2029 · EIA-860M
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online—
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.
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.
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 |
|---|---|---|---|---|---|---|---|---|
| GRS8B | Batteries | BA | 115.9 | 115 | planned Aug 2029 | Planned | — | coming soon |
| GRS8P | Solar Photovoltaic | PV | 115.9 | 115 | planned Aug 2029 | Planned | — | coming soon |
Owner / operator
Operator: GRS BESS Texas Eight LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| CatanSolar | 10 MW | 3.9 km |
| Regis Milton | 10 MW | 18.6 km |
| Ray Ranch Solar | — | 30.8 km |
| Helena Wind | 268 MW | 38.5 km |
| Sparta Solar | 250 MW | 39.7 km |
| Regis Lyssy | 10 MW | 40.3 km |