Cuyamaca Peak Energy Plant
San Diego County, California · EIA plant ID 55512 · Operator: San Diego Gas & Electric Co
Nameplate49MWSummer 49 MW
Generators1in service
Net generation10GWh12 mo to Dec 2025
Capacity factor2%gas/coal/oil units, summer MW
Heat rate8,839Btu/kWhfossil units, electric fuel, HHV
First online2002Runs as peaking
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
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.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 0 | — | — |
| 2002 | 27.4 | 11.1% | 11,239 |
| 2003 | 7.7 | 2.1% | 11,308 |
| 2004 | 17.5 | 4.8% | 10,941 |
| 2005 | 9.2 | 2.5% | 11,020 |
| 2006 | 7.9 | 2.1% | 11,257 |
| 2007 | 30.2 | 7.1% | 11,066 |
| 2008 | 12 | 2.8% | 10,927 |
| 2009 | 17.8 | 4.2% | 11,194 |
| 2010 | 13.8 | 3.2% | 12,769 |
| 2011 | 19.8 | 4.7% | 11,075 |
| 2012 | 46.5 | 10.9% | 11,161 |
| 2013 | 40.2 | 9.4% | 11,172 |
| 2014 | 23.4 | 5.5% | 11,251 |
| 2015 | 10.3 | 2.4% | 11,369 |
| 2016 | 8.2 | 1.9% | 11,541 |
| 2017 | 8.5 | 2.0% | 11,622 |
| 2018 | 14.9 | 3.5% | 11,456 |
| 2019 | 7 | 1.7% | 11,616 |
| 2020 | 6.8 | 1.6% | 11,556 |
| 2021 | 8.2 | 1.9% | 11,589 |
| 2022 | 12.6 | 3.0% | 11,507 |
| 2023 | 12.1 | 2.8% | 11,618 |
| 2024 | 5.9 | 1.4% | 11,573 |
| 2025 | 9.7 | 2.3% | 8,839 |
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 ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| CPP6 | Natural Gas Fired Combustion Turbine | GT | 48.7 | 48.7 | May 2002 | Operating | — | coming soon |
Owner / operator
Operator: San Diego Gas & Electric Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| San Diego Gas & Electric Co | 100.0% | 49 MW |
Nearby plants
Within 80 km.
| North Johnson Energy Center | 50 MW | 0 km |
| El Cajon Energy Center | 61 MW | 0 km |
| Ventasso Energy Storage, LLC | 50 MW | 0.2 km |
| Grossmont HS Solar Project | 1 MW | 3.4 km |
| Grossmont Hospital | 5 MW | 3.7 km |
| Grossmont College | 3 MW | 3.9 km |