Hamilton BESS
Val Verde County, Texas · EIA plant ID 66782 · Operator: HEN Infrastructure, L.L.C.
Nameplate10MWSummer 10 MW
Generators1in service
Net generation-0GWh12 mo to Dec 2025
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online2024
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 | -0.3 | — | — |
| 2025 | -0.3 | — | — |
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 |
|---|---|---|---|---|---|---|---|---|
| HAMIL | Batteries | BA | 9.9 | 9.9 | Feb 2024 | Operating | — | coming soon |
Owner / operator
Operator: HEN Infrastructure, L.L.C.. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Manulife Infrastructure II Holdings A, L.P. | 52.9% | 5 MW |
| John Hancock Funding Company | 43.1% | 4 MW |
| Hunt Energy Network, LLC | 4.0% | 0 MW |
Nearby plants
Within 80 km.
| Tierra Seca | 100 MW | 3.9 km |
| WAL447 | 1 MW | 5.5 km |
| Amistad Dam & Power | 66 MW | 22.1 km |
| Zier Solar | 200 MW | 27.9 km |
| Rocksprings | 149 MW | 39.4 km |
| OCI Alamo 4, LLC | 40 MW | 45.8 km |