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Harryoung PV and BESSPlanned

Cameron County, Texas · EIA plant ID 67777 · Operator: Gransolar Texas Four LLC
BatteryERCOTBA: ERCO

380 MW planned (Batteries, Solar Photovoltaic), first expected May 2028 · EIA-860M

Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online—

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.

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
GRS4BBatteriesBA190190planned May 2028Planned—coming soon
GRS4PSolar PhotovoltaicPV190190planned May 2028Planned—coming soon

Owner / operator

Operator: Gransolar Texas Four LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).

Nearby plants

Within 80 km.
Arroyo Storage—2.5 km
Los Vientos Wind 1A200 MW7.7 km
Los Vientos Wind 1B202 MW8.8 km
Aggreko MSR Grid PC510 MW9.7 km
E. Porte Ct.9 MW9.9 km
Harlingen #1 BESS 1—10.9 km