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Triple Butte I

Pecos County, Texas · EIA plant ID 64917 · Operator: triple butte
BatteryBatteriesERCOTBA: ERCO
Nameplate8MWSummer 8 MW
Generators1in service
Net generation-1GWh12 mo to Dec 2025
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online2021

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-80-60-40-200MWh20242025

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
YearNet GWhCapacity factorHeat rate (Btu/kWh)
2024-0.6——
2025-0.7——

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 IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
TRBT1BatteriesBA7.57.5Jul 2021Operating—coming soon

Owner / operator

Operator: triple butte. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
triple butte100.0%8 MW

Nearby plants

Within 80 km.
St. Gall Energy Storage I103 MW21.3 km
St Gall Energy Storage II100 MW21.4 km
WAL8971 MW21.6 km
Avila160 MW21.7 km
Bighorn Ridge Solar—22.2 km
Fort Stockton Clean Energy Center (BESS)10 MW23 km