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Lamesa II

Dawson County, Texas · EIA plant ID 61697 · Operator: Lamesa Solar II, L.L.C.
SolarSolar PhotovoltaicERCOTBA: ERCO
Nameplate50MWSummer 50 MW
Generators1in service
Net generation116GWh12 mo to Aug 2026
Capacity factor26%solar units, summer MW
Heat rate—thermal plants only
First online2018

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
051015GWh20192020202120222023202420252026

Capacity factor by year

Net MWh ÷ (summer MW × hours), solar units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%10%20%30%2018202020222024202626.5% · 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)
201812.416.9%—
201912027.4%—
2020130.829.8%—
2021110.225.2%—
2022108.424.7%—
2023120.227.5%—
202412227.8%—
2025120.727.6%—

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
IVORYSolar PhotovoltaicPV5050Nov 2018Operating—coming soon

Owner / operator

Operator: Lamesa Solar II, L.L.C.. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Lamesa Solar II, L.L.C.100.0%50 MW

Nearby plants

Within 80 km.
Lamesa Solar102 MW3.9 km
Al Pastor Battery Storage Plant100 MW4.9 km
Mesquite Creek Wind211 MW13.6 km
Borden County BESS150 MW23.1 km
ENGIE Long Draw Solar LLC225 MW24.8 km
Iron Belt—27.4 km