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Dynegy Moss Landing Power Plant Hybrid

Monterey County, California · EIA plant ID 260 · Operator: Dynegy -Moss Landing LLC
Natural gasBatteriesNatural Gas Fired Combined CycleCAISOBA: CISO

×300 MW battery retired since 2020 (latest Jan 2025)

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Nameplate1,848MWSummer 1,470 MW
Generators8in service
Net generation2,569GWh12 mo to Aug 2026
Capacity factor12%gas/coal/oil units, summer MW
Heat rate7,108Btu/kWhfossil units, electric fuel, HHV
First online2002Runs as peaking

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
02505007501,000GWh2001200320052007200920112013201520172019202120232025

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%20%40%60%2005201020152020202511.8% · 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.
6,5007,0007,5008,000200520102015202020257,108 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20018,472.8——
20026,540.8——
20036,651.830.4%7,621
20046,440.129.3%7,197
20055,331.124.4%7,393
20066,308.428.8%7,891
20077,55234.1%7,537
20087,285.632.8%7,803
20094,386.219.8%7,862
20103,546.316.0%7,420
20111,999.29.0%7,675
20125,021.622.6%7,495
20135,044.622.8%7,433
20144,152.618.7%7,252
20153,909.717.6%7,669
20162,584.912.3%7,612
20172,344.626.2%7,175
20184,178.846.8%7,044
20195,220.858.4%7,064
20205,22358.3%7,060
20215,322.659.9%6,950
20225,118.457.9%7,046
20235,336.860.9%6,995
20243,931.244.9%7,137
20252,06823.4%7,223

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
BAT2BatteriesBA100100May 2021Operating—coming soon
BAT3BatteriesBA350350Jun 2023Operating—coming soon
CT1ANatural Gas Fired Combined CycleCT233165Jul 2002Operating—coming soon
CT1BNatural Gas Fired Combined CycleCT233165Jul 2002Operating—coming soon
CT2ANatural Gas Fired Combined CycleCT233165Jul 2002Operating—coming soon
CT2BNatural Gas Fired Combined CycleCT233165Jul 2002Operating—coming soon
ST1Natural Gas Fired Combined CycleCA233180Jul 2002Operating—coming soon
ST2Natural Gas Fired Combined CycleCA233180Jul 2002Operating—coming soon
GEN6—ST702739Dec 1967not_current—coming soon
GEN7—ST702739Aug 1968not_current—coming soon
NWG1——530530planned Aug 2002not_current—coming soon
NWG2——530530planned Aug 2002not_current—coming soon
6Natural Gas Steam TurbineST702754Dec 1967Retired Dec 2016—coming soon
7Natural Gas Steam TurbineST702755Aug 1968Retired Dec 2016—coming soon
BAT1BatteriesBA300300May 2021Retired Jan 2025—coming soon

Owner / operator

Operator: Dynegy -Moss Landing LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Dynegy -Moss Landing LLC100.0%1,848 MW

Nearby plants

Within 80 km.
Elkhorn Battery Energy Storage System183 MW0.4 km
Monterey Regional Water Pollution Contro1 MW9.3 km
Marina Landfill Gas5 MW10.3 km
Monterey Regional Water Cogen Facility2 MW11.1 km
Ameresco Santa Cruz Energy3 MW12.9 km
Graniterock Quarry4 MW17.9 km