Miramar Energy Facility
Natural gas power plant in San Diego County, California. 106 MW of nameplate capacity across 2 generators, operated by San Diego Gas & Electric Co.
Also known as Miramar Energy Center · EIA plant 56232
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 106 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- June 2005First generator online
- Operator
- San Diego Gas & Electric CoEIA operator ID 16609
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 2 CAISO nodesResource nodes with prices
- Location
- San Diego County, CA32.8769, −117.1664
- EIA plant ID
- 56232EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Miramar Energy Facility produces
Free · EIA-923Net generation, 2025
7.04 GWh
7,041 MWh, final
Capacity factor, 2025
0.8%
2024: 1.1%
January to July 2026
7.81 GWh
Provisional
Range, 2015 to 2025
7.0–122.8
GWh a year. Low 2025, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | 4,715 | Not reported | 12 of 12 |
| 2006 | 7,085 | Not reported | 12 of 12 |
| 2007 | 7,837 | Not reported | 12 of 12 |
| 2008 | 22,787 | Not reported | 12 of 12 |
| 2009 | 53,334 | Not reported | 12 of 12 |
| 2010 | 90,884 | 9.8% | 12 of 12 |
| 2011 | 141,149 | 15.2% | 12 of 12 |
| 2012 | 180,324 | 19.4% | 12 of 12 |
| 2013 | 143,931 | 15.5% | 12 of 12 |
| 2014 | 89,425 | 9.6% | 12 of 12 |
| 2015 | 81,464 | 8.8% | 12 of 12 |
| 2016 | 122,813 | 13.2% | 12 of 12 |
| 2017 | 112,096 | 12.1% | 12 of 12 |
| 2018 | 92,448 | 10.0% | 12 of 12 |
| 2019 | 73,629 | 7.9% | 12 of 12 |
| 2020 | 79,253 | 8.5% | 12 of 12 |
| 2021 | 20,179 | 2.2% | 12 of 12 |
| 2022 | 33,489 | 3.6% | 12 of 12 |
| 2023 | 22,965 | 2.5% | 12 of 12 |
| 2024 | 10,538 | 1.1% | 12 of 12 |
| 2025 | 7,041 | 0.8% | 12 of 12 |
| 2026 (provisional, partial year) | 7,806 | 1.4% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · CAISOEmissions
Free · EPA CAMPDCO₂, 2025
4,317
US short tons. 2024: 6,428
SO₂, 2025
0
US short tons
NOx, 2025
1
US short tons
CO₂ per MWh, calculated
0.61 t
About 1,226 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1, 2), matched to EIA plant 56232 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Fired Combustion Turbine | 53.0 | June 2005 |
| 2 | Natural Gas Fired Combustion Turbine | 53.0 | August 2009 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists San Diego Gas & Electric Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Miramar Energy Facility
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Questions about Miramar Energy Facility
How much power does Miramar Energy Facility produce?
Miramar Energy Facility reported 7,041 MWh (7.04 GWh) of net generation in 2025, a 0.8% capacity factor on 106 MW of nameplate capacity. From January to July 2026 it reported 7.81 GWh, which is provisional.
Where is Miramar Energy Facility?
Miramar Energy Facility is in San Diego County, California, at 32.8769, −117.1664. It is in the California Independent System Operator balancing area (CISO).
Who operates Miramar Energy Facility?
EIA-860M for August 2026 lists San Diego Gas & Electric Co as the operator (EIA operator ID 16609). The operator is not always the owner.
When did Miramar Energy Facility start operating?
Its first generator began operating in June 2005, according to EIA-860M.
Does InfraMap have power prices for Miramar Energy Facility?
Yes. InfraMap has CAISO day-ahead and real-time prices at 2 price nodes linked to Miramar Energy Facility, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page