Parnassus Central Utility Plant
Natural gas power plant in San Francisco County, California. 13.4 MW of nameplate capacity across 3 generators, operated by University of California-San Francisco.
Also known as EIA plant 58198
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 13.4 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- January 1996First generator online
- Operator
- University of California-San FranciscoEIA operator ID 58171
- Grid
- CAISOBalancing authority CISO
- Price nodes
- None linkedNo verified ISO node
- Location
- San Francisco County, CA37.7625, −122.4567
- EIA plant ID
- 58198EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Parnassus Central Utility Plant produces
Free · EIA-923Net generation, 2025
66.8 GWh
66,789 MWh, final
Capacity factor, 2025
56.9%
2024: 58.6%
January to July 2026
39.0 GWh
Provisional
Range, 2015 to 2025
66.8–72.4
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 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | 95,357 | 80.4% | 12 of 12 |
| 2013 | 73,036 | Not reported | 12 of 12 |
| 2014 | 72,693 | 61.5% | 12 of 12 |
| 2015 | 70,822 | 59.9% | 12 of 12 |
| 2016 | 72,392 | Not reported | 12 of 12 |
| 2017 | 69,674 | 59.4% | 12 of 12 |
| 2018 | 72,055 | 61.4% | 12 of 12 |
| 2019 | 70,776 | 60.3% | 12 of 12 |
| 2020 | 68,493 | 58.2% | 12 of 12 |
| 2021 | 69,951 | 59.6% | 12 of 12 |
| 2022 | 69,848 | 59.5% | 12 of 12 |
| 2023 | 68,500 | 58.4% | 12 of 12 |
| 2024 | 68,960 | 58.6% | 12 of 12 |
| 2025 | 66,789 | 56.9% | 12 of 12 |
| 2026 (provisional, partial year) | 39,022 | 57.2% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
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 |
|---|---|---|---|
| GTG1 | Natural Gas Fired Combined Cycle | 4.8 | January 1996 |
| GTG2 | Natural Gas Fired Combined Cycle | 4.8 | January 1996 |
| STG1 | Natural Gas Fired Combined Cycle | 3.8 | January 1996 |
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 University of California-San Francisco 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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Questions about Parnassus Central Utility Plant
How much power does Parnassus Central Utility Plant produce?
Parnassus Central Utility Plant reported 66,789 MWh (66.8 GWh) of net generation in 2025, a 56.9% capacity factor on 13.4 MW of nameplate capacity. From January to July 2026 it reported 39.0 GWh, which is provisional.
Where is Parnassus Central Utility Plant?
Parnassus Central Utility Plant is in San Francisco County, California, at 37.7625, −122.4567. It is in the California Independent System Operator balancing area (CISO).
Who operates Parnassus Central Utility Plant?
EIA-860M for August 2026 lists University of California-San Francisco as the operator (EIA operator ID 58171). The operator is not always the owner.
When did Parnassus Central Utility Plant start operating?
Its first generator began operating in January 1996, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page