430th largest plant in California · 3699th nationally
Cuyamaca Peak Energy Plant is a natural gas power plant in California with a nameplate capacity of 48.7 MW. It generates roughly 12.1k MWh per year — enough to power about 1,150 average U.S. homes.
Its capacity factor of 3% reflects intermittent or peaking operation. At 1345 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.
| Plant Name | Cuyamaca Peak Energy Plant |
|---|---|
| Operator | San Diego Gas & Electric Co |
| City | El Cajon |
| County | San Diego County |
| State | California |
| ZIP | 92020 |
| Coordinates | 32.79649, -116.97207 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| CPP6 | Natural Gas Fired Combustion Turbine | Natural Gas | 48.7 MW | Operating | 2002 |
| CO₂ | 8.1k metric tons |
|---|---|
| NOₓ | 1 metric tons |
| CO₂ Rate | 1345 lb/MWh |
Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.
| NERC Region | WECC |
|---|---|
| Balancing Authority | California Independent System Operator |
Natural gas plants are the workhorse of the modern grid. Combined-cycle units achieve very high efficiency and can ramp up and down quickly to balance variable renewables. They emit roughly half the CO₂ per MWh of coal and far less of other pollutants, but they still release upstream methane during fuel extraction.