Dynegy Moss Landing Power Plant Hybrid
Dynegy Moss Landing Power Plant Hybrid is a natural gas plant in Monterey County, California, operated by Dynegy -Moss Landing LLC. It ranks second by nameplate capacity among California’s 1,870 power plants. It is the biggest of California’s 303 natural gas plants. Retired units here add up to 1,704 MW across 3 units, taken out of service between 2016 and 2025. Of its current capacity, 350 MW came online between 2023 and 2025.
Nameplate capacity, 2025
1,848 MW
1,470 MW net summer capacity
8 operable units
- Gas combined cycle1,398 MW76%
- Battery450 MW24%
Unit by unit, 1967 to 2025
operating in 2025retiredbar height follows unit size
Unit 6 Gas steam turbine, 702 MW, 1967–2016
Unit 7 Gas steam turbine, 702 MW, 1968–2016
Unit CT1A Gas combined cycle, 233 MW, 2002
Unit CT1B Gas combined cycle, 233 MW, 2002
Unit CT2A Gas combined cycle, 233 MW, 2002
Unit CT2B Gas combined cycle, 233 MW, 2002
Unit ST1 Gas combined cycle, 233 MW, 2002
Unit ST2 Gas combined cycle, 233 MW, 2002
Unit BAT2 Battery, 100 MW, 2021
Unit BAT1 Battery, 300 MW, 2021–2025
Unit BAT3 Battery, 350 MW, 2023
Among California’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Diablo Canyon2,323 MW
- 2Dynegy Moss Landing Power Plant Hybridthis plant
- 3Haynes1,739 MW
- 4Castaic1,682 MW
Other rankings
- All US power plants
- 87th of 14,286
- US natural gas plants
- 27th of 1,961
- Plants in the California ISO balancing area
- 2nd of 1,637
- Biggest single unit, among California’s plants
- 6th of 1,870
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| CT1A | Gas combined cycle | 233 MW | 165 MW | 2002 | Operating |
| CT1B | Gas combined cycle | 233 MW | 165 MW | 2002 | Operating |
| CT2A | Gas combined cycle | 233 MW | 165 MW | 2002 | Operating |
| CT2B | Gas combined cycle | 233 MW | 165 MW | 2002 | Operating |
| ST1 | Gas combined cycle | 233 MW | 180 MW | 2002 | Operating |
| ST2 | Gas combined cycle | 233 MW | 180 MW | 2002 | Operating |
| BAT2 | Battery | 100 MW | 100 MW | 2021 | Operating |
| BAT3 | Battery | 350 MW | 350 MW | 2023 | Operating |
Retired units
| Unit | Technology | Nameplate | In service |
|---|---|---|---|
| 6 | Gas steam turbine | 702 MW | 1967–2016 |
| 7 | Gas steam turbine | 702 MW | 1968–2016 |
| BAT1 | Battery | 300 MW | 2021–2025 |
Grid and site
- Balancing area
- California ISO
- Reliability region
- Western Electricity Coordinating Council
- Highest grid connection voltage
- 500 kV
- Water source
- Moss Landing Harbor
- Nearest town on record
- Moss Landing
- Operator type
- Independent producer
- Coordinates
- 36.805°N, 121.782°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Elkhorn Battery Energy Storage System | Battery storage | 182 MW | 0.2 mi north |
| Monterey Regional Water Pollution Contro | Solar | 1 MW | 5.8 mi south |
| Marina Landfill Gas | Biomass and waste | 5.1 MW | 6.4 mi south |
| Monterey One Water | Biomass and waste | 1.8 MW | 6.9 mi south |
| Ameresco Santa Cruz Energy | Biomass and waste | 3 MW | 8.0 mi north |
| Graniterock Quarry | Solar | 4.4 MW | 11.1 mi northeast |
| TLR000 Hansen Fuel Cell | Natural gas | 3 MW | 13.5 mi southeast |
| Taylor Farms - Schilling Place | Natural gas | 1 MW | 13.6 mi southeast |