Upton County BESS
Upton County, Texas · EIA plant ID 64811 · Operator: VESI Upton County BESS, LLC
Nameplate25MWSummer 25 MW
Generators1in service
Net generation-1GWh12 mo to Dec 2025
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online2023
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), 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.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2024 | -1.2 | — | — |
| 2025 | -1.3 | — | — |
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 |
|---|---|---|---|---|---|---|---|---|
| UPT1 | Batteries | BA | 24.8 | 24.8 | Jun 2023 | Operating | — | coming soon |
| UPT2 | Batteries | BA | 3.1 | 3.1 | planned Nov 2022 | not_current | — | coming soon |
| UPT3 | Batteries | BA | 3.1 | 3.1 | planned Nov 2022 | not_current | — | coming soon |
| UPT4 | Batteries | BA | 3.1 | 3.1 | planned Nov 2022 | not_current | — | coming soon |
| UPT5 | Batteries | BA | 3.1 | 3.1 | planned Nov 2022 | not_current | — | coming soon |
| UPT6 | Batteries | BA | 3.1 | 3.1 | planned Nov 2022 | not_current | — | coming soon |
| UPT7 | Batteries | BA | 3.1 | 3.1 | planned Nov 2022 | not_current | — | coming soon |
| UPT8 | Batteries | BA | 3.1 | 3.1 | planned Nov 2022 | not_current | — | coming soon |
Owner / operator
Operator: VESI Upton County BESS, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| VESI Upton County BESS, LLC | 100.0% | 25 MW |
Nearby plants
Within 80 km.
| Revolution | 150 MW | 1.4 km |
| CED Crane Solar | 150 MW | 1.9 km |
| Upton County Solar | 150 MW | 3 km |
| Castle Gap Solar Hybrid | 190 MW | 5 km |
| Mendoza Trail BESS | 200 MW | 5.1 km |
| Crossett Power Management LLC | 203 MW | 5.3 km |