Cuyamaca Peak Energy Plant — Plant Summary
- EIA Plant ID
- 55512
- Capacity
- 48.7 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- San Diego, CA
- Operating Since
- 2002
- Generators
- 1
- Operator
- San Diego Gas & Electric Co
- Parent Company
- Sempra Energy
- Annual Generation
- 5,874 MWh
- Capacity Factor
- 1.4%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Cuyamaca Peak Energy Plant
OperatingNatural Gas
Ranked #126 of 306 Natural Gas plants in CA#1136 of 2009 nationally
48.7 MW Natural Gas operating in San Diego, CA — California Independent System Operator
EIAWD
48.7 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Fired Combustion Turbine
Technology
2002
Operating Since
Location
Coordinates
32.7962, -116.9718
County
San Diego, CA
Nearby Plants
- North Johnson Energy CenterBESS50 MW · 0.0 km
- El Cajon Energy CenterNatural Gas60.5 MW · 0.1 km
- Ventasso Energy Storage, LLCBESS50 MW · 0.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | San Diego Gas & Electric Co | San Diego Gas & Electric | — |
| Owner(s) | San Diego Gas & Electric Co | Sempra Energy | — |
| Status | Operating | — | — |
Ownership Chain
About
Cuyamaca Peak Energy Plant is a 48.7 MW natural gas-fired power plant located in San Diego County, California. The plant began operating in 2002 and is owned by Sempra Energy, with San Diego Gas & Electric Co. listed as the operator. The facility consists of a single natural gas-fired combustion turbine generator. Cuyamaca Peak Energy Plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
The plant's latest annual generation was 5,874 MWh, resulting in a capacity factor of 1.4%. According to available data, the installed cost was $359.01 per kW. Cuyamaca Peak Energy Plant is ranked 122 out of 297 power plants in California and 1124 out of 1963 plants nationally. Financial data for the plant is sourced from the Federal Energy Regulatory Commission (FERC).
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
165 MWh
Latest Month
5.9K MWh
Annual Generation
1.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$728/kW
Installed Cost
$394.1/MWh
Operating Cost
San Diego Gas & Electric Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
CPELCAJN_7_B1
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
News & Articles (6)Beta
General
SDG&E Expands Energy Storage Capabilities to Enhance Grid Resiliency and Affordability for Customers
SAN DIEGO, March 14, 2025 /PRNewswire/ -- San Diego Gas & Electric (SDG&E) announced today the California Public Utilities Commission (CPUC)...
Sempra·1 years ago
General
Sempra Energy's (SRE) Arm Unveils 320 MW Wind Project in Mexico
Sempra Energy's SRE subsidiary, Sempra Infrastructure, recently revealed its final investment decision for the development, construction and...
Nasdaq·2 years ago
General
SDG&E Completes Large Energy Storage Facilities in Fallbrook and Imperial Valley
San Diego Gas & Electric has finished two energy storage facilities totaling 171 megawatts in Fallbrook and Imperial Valley,...
Times of San Diego·2 years ago
General
SDG&E Completes Large Energy Storage Facilities in Fallbrook and Imperial Valley
San Diego Gas & Electric has finished two energy storage facilities totaling 171 megawatts in Fallbrook and Imperial Valley,...
Times of San Diego·2 years ago
Last updated 2026-03-26
View all 6 articles