Tracy Combined Cycle Power Plant
Natural gas power plant in San Joaquin County, California. 336.1 MW of nameplate capacity across 3 generators, operated by MRP San Joaquin Energy LLC..
Also known as EIA plant 55933
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 336.1 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- April 2003First generator online
- Operator
- MRP San Joaquin Energy LLC.EIA operator ID 7724
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- San Joaquin County, CA37.7107, −121.4906
- EIA plant ID
- 55933EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Tracy Combined Cycle produces
Free · EIA-923Net generation, 2025
896 GWh
896,191 MWh, final
Capacity factor, 2025
30.4%
2024: 33.9%
January to July 2026
197 GWh
Provisional
Range, 2015 to 2025
0.3–1.0
TWh a year. Low 2016, high 2024
| 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 | 10,460 | Not reported | 7 of 12 |
| 2004 | 11,367 | Not reported | 12 of 12 |
| 2005 | 9,788 | Not reported | 12 of 12 |
| 2006 | 15,949 | Not reported | 12 of 12 |
| 2007 | 13,708 | Not reported | 12 of 12 |
| 2008 | 11,302 | Not reported | 12 of 12 |
| 2009 | 21,242 | Not reported | 12 of 12 |
| 2010 | 7,147 | 0.5% | 12 of 12 |
| 2011 | 15,016 | 1.0% | 12 of 12 |
| 2012 | 141,970 | Not reported | 6 of 12 |
| 2013 | 610,541 | Not reported | 12 of 12 |
| 2014 | 642,715 | 21.8% | 12 of 12 |
| 2015 | 763,345 | 25.9% | 12 of 12 |
| 2016 | 326,418 | 11.1% | 12 of 12 |
| 2017 | 879,334 | 29.9% | 12 of 12 |
| 2018 | 868,383 | 29.5% | 12 of 12 |
| 2019 | 864,402 | 29.4% | 12 of 12 |
| 2020 | 702,698 | 23.8% | 12 of 12 |
| 2021 | 802,663 | 27.3% | 12 of 12 |
| 2022 | 370,678 | 12.6% | 12 of 12 |
| 2023 | 815,789 | 27.7% | 12 of 12 |
| 2024 | 1,000,454 | 33.9% | 12 of 12 |
| 2025 | 896,191 | 30.4% | 12 of 12 |
| 2026 (provisional, partial year) | 196,952 | 11.5% | 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
453,079
US short tons. 2024: 506,628
SO₂, 2025
2
US short tons
NOx, 2025
48
US short tons
CO₂ per MWh, calculated
0.51 t
About 1,011 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (TPP1, TPP2), matched to EIA plant 55933 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, USGSWithdrawal, 2024
Not reported
million gallons as reported; not used, see note
Consumption, 2024
Not reported
million gallons
Source
Not reported
Dry cooling
Watershed stress
High · 0.784
USGS SUI, HUC12 Lower Old River
0 of 12 cooling months report withdrawal. Dry cooling with no reported withdrawal; not tested. Consumption is below 5% of a large reported withdrawal, so the withdrawal is not used. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| TCC1 | Natural Gas Fired Combined Cycle | 167.3 | July 2012 |
| TPP1 | Natural Gas Fired Combined Cycle | 84.4 | April 2003 |
| TPP2 | Natural Gas Fired Combined Cycle | 84.4 | April 2003 |
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 MRP San Joaquin Energy LLC. 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 Tracy Combined Cycle
More plants operated by MRP San Joaquin Energy LLC.
Questions about Tracy Combined Cycle
How much power does Tracy Combined Cycle Power Plant produce?
Tracy Combined Cycle Power Plant reported 896,191 MWh (896 GWh) of net generation in 2025, a 30.4% capacity factor on 336.1 MW of nameplate capacity. From January to July 2026 it reported 197 GWh, which is provisional.
Where is Tracy Combined Cycle Power Plant?
Tracy Combined Cycle Power Plant is in San Joaquin County, California, at 37.7107, −121.4906. It is in the California Independent System Operator balancing area (CISO).
Who operates Tracy Combined Cycle Power Plant?
EIA-860M for August 2026 lists MRP San Joaquin Energy LLC. as the operator (EIA operator ID 7724). The operator is not always the owner.
When did Tracy Combined Cycle Power Plant start operating?
Its first generator began operating in April 2003, according to EIA-860M.
Does InfraMap have power prices for Tracy Combined Cycle Power Plant?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Tracy Combined Cycle Power Plant, 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
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page