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SMT Mercedes LLC

Hidalgo County, Texas · EIA plant ID 66926 · Operator: SMT Mercedes LLC
BatteryBatteriesERCOTBA: ERCO
Nameplate10MWSummer 10 MW
Generators1in service
Net generation-0GWh12 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
-50-40-30-20-100MWh20242025

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)
2024-0.4——
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 IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
SMTNMBatteriesBA1010Dec 2023Operating—coming soon

Owner / operator

Operator: SMT Mercedes LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
SMT Mercedes LLC100.0%10 MW

Nearby plants

Within 80 km.
Rio Grande Valley Sugar Growersretired6.3 km
Santa Rosa9 MW8.9 km
SMT Santa Rosa LLC10 MW8.9 km
SMT Elsa LLC10 MW12.1 km
Lower Rio Energy Storage60 MW14.8 km
BESS La Feria10 MW16.2 km