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Eagle Pass

Maverick County, Texas · EIA plant ID 3437 · Operator: Maverick Cty Water Control & Improvement
HydroConventional HydroelectricERCOTBA: ERCO
Nameplate10MWSummer 6 MW
Generators3in service
Net generation2GWh12 mo to Aug 2026
Capacity factor4%hydro units, summer MW
Heat rate—thermal plants only
First online1932

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-2.502.557.510GWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), hydro units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%50%100%200520102015202020254.2% · 12 mo

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)
200146.989.3%—
200242.580.9%—
200333.463.4%—
200431.960.5%—
200544.183.9%—
200650.596.0%—
200750.996.8%—
200850.395.4%—
200945.386.2%—
201043.282.2%—
201139.975.9%—
201235.667.6%—
201331.459.8%—
201433.463.5%—
201538.172.5%—
201631.960.5%—
201732.862.3%—
201833.162.9%—
20194076.1%—
202031.359.4%—
202136.870.0%—
202244.284.0%—
20234381.8%—
202436.168.5%—
202516.932.2%—

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
1Conventional HydroelectricHY3.22Aug 1932Operating—coming soon
2Conventional HydroelectricHY3.22Aug 1932Operating—coming soon
3Conventional HydroelectricHY3.22Aug 1932Operating—coming soon

Owner / operator

Operator: Maverick Cty Water Control & Improvement. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Maverick Cty Water Control & Improvement100.0%10 MW

Nearby plants

Within 80 km.
Serrano BESS—1 km
Regis Escondido10 MW13.3 km
WAL4611 MW15.7 km
Pueblo BA20 MW18.8 km
Fort Duncan BESS103 MW20.5 km
OCI Alamo 4, LLC40 MW54.8 km