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Chula Vista I

San Diego County, California · EIA plant ID 55540 · Operator: Wellhead Services Inc
Natural gasNatural Gas Fired Combustion TurbineCAISOBA: CISO
Nameplate37MWSummer 37 MW
Generators1in service
Net generation0GWh12 mo to Dec 2025
Capacity factor0%gas/coal/oil units, summer MW
Heat rate17,898Btu/kWhfossil units, electric fuel, HHV
First online2001Runs as rarely runs

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0246GWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%2%4%6%200520102015202020250.1% · 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.
10,00015,00020,00025,0002005201020152020202517,898 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20011.10.4%13,803
200241.4%13,607
200317.25.8%15,510
200400.0%—
200500.0%—
20063.81.3%24,569
20071.80.6%17,656
20081.90.7%18,259
20093.61.2%15,801
20100.9—16,668
20111.10.4%15,610
20122.50.8%16,393
20130.50.2%17,843
20140.90.3%16,808
20151.10.4%17,390
20164.81.6%16,754
20173.21.1%16,523
20183.11.0%16,858
20193.91.3%16,520
20202.40.7%16,769
20214.81.5%—
202220.6%17,385
20231.70.5%17,277
20241.70.5%17,908
20250.40.1%17,898

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
GEN1Natural Gas Fired Combustion TurbineGT37.237.2May 2001Operating—coming soon

Owner / operator

Operator: Wellhead Services Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Wellhead Services Inc100.0%37 MW

Nearby plants

Within 80 km.
Chula Vista Energy Center 250 MW0.4 km
EnerSmart Chula Vista Sub Station6 MW0.8 km
County of San Diego SBRC1 MW4.9 km
SeaWorld Aquatica1 MW5.1 km
South Bay Fuel Cell Plantretired5.4 km
CA National City Terminal Ave—8.9 km