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Grossmont-Cuyamaca-Cuyamaca Col. Solar &

San Diego County, California · EIA plant ID 66023 · Operator: Forefront Power, LLC
SolarBatteriesSolar PhotovoltaicCAISOBA: CISO
Nameplate2MWSummer 2 MW
Generators2in service
Net generation3GWh12 mo to Dec 2025
Capacity factor23%solar units, summer MW
Heat rate—thermal plants only
First online2024

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0100200300MWh20242025

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%20242025202622.7% · 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)
20242.827.5%—
20252.822.7%—

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
18009Solar PhotovoltaicPV1.41.4Mar 2024Operating—coming soon
19043BatteriesBA11Mar 2024Operating—coming soon

Owner / operator

Operator: Forefront Power, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Forefront Power, LLC100.0%2 MW

Nearby plants

Within 80 km.
Ventasso Energy Storage, LLC50 MW6.3 km
North Johnson Energy Center50 MW6.3 km
El Cajon Energy Center61 MW6.3 km
Cuyamaca Peak Energy Plant49 MW6.4 km
Grossmont Hospital5 MW7.3 km
Vanadium Redox Flow Battery Plant2 MW8.5 km