Metcalf Energy Center
Natural gas power plant in Santa Clara County, California. 635 MW of nameplate capacity across 3 generators, operated by Calpine Corp - Metcalf Energy Center.
Also known as EIA plant 55393
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Key facts
- Capacity
- 635 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- June 2005First generator online
- Operator
- Calpine Corp - Metcalf Energy CenterEIA operator ID 2799
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Santa Clara County, CA37.2207, −121.7457
- EIA plant ID
- 55393EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Metcalf produces
Free · EIA-923Net generation, 2025
2.33 TWh
2,334,357 MWh, final
Capacity factor, 2025
42.0%
2024: 49.7%
January to July 2026
655 GWh
Provisional
Range, 2015 to 2025
2.1–3.2
TWh a year. Low 2018, high 2015
| 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 | 2,020,895 | Not reported | 12 of 12 |
| 2006 | 2,370,154 | Not reported | 12 of 12 |
| 2007 | 2,935,887 | Not reported | 12 of 12 |
| 2008 | 3,152,211 | Not reported | 12 of 12 |
| 2009 | 2,778,697 | Not reported | 12 of 12 |
| 2010 | 2,612,896 | 47.0% | 12 of 12 |
| 2011 | 1,598,378 | 28.7% | 12 of 12 |
| 2012 | 2,801,457 | 50.2% | 12 of 12 |
| 2013 | 3,131,656 | Not reported | 12 of 12 |
| 2014 | 2,461,413 | 44.2% | 12 of 12 |
| 2015 | 3,171,068 | 57.0% | 12 of 12 |
| 2016 | 2,686,602 | 48.2% | 12 of 12 |
| 2017 | 2,081,822 | 37.4% | 12 of 12 |
| 2018 | 2,079,832 | 37.4% | 12 of 12 |
| 2019 | 2,566,081 | 46.1% | 12 of 12 |
| 2020 | 2,384,442 | 42.7% | 12 of 12 |
| 2021 | 2,335,498 | 42.0% | 12 of 12 |
| 2022 | 2,315,298 | 41.6% | 12 of 12 |
| 2023 | 2,338,618 | 42.0% | 12 of 12 |
| 2024 | 2,770,709 | 49.7% | 12 of 12 |
| 2025 | 2,334,357 | 42.0% | 12 of 12 |
| 2026 (provisional, partial year) | 654,939 | 20.3% | 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
1.02M
US short tons. 2024: 1.21M
SO₂, 2025
5
US short tons
NOx, 2025
63
US short tons
CO₂ per MWh, calculated
0.43 t
About 870 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1, 2), matched to EIA plant 55393 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
556
million gallons
Consumption, 2024
481
million gallons
Source
San Jose Municipal
Discharge, Reclaimed. Induced-draft tower
Watershed stress
Moderate · 0.444
USGS SUI, HUC12 Metcalfe Canyon-Coyote Creek
12 of 12 cooling months report withdrawal. Reclaimed water or plant effluent; not tested. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 200.0 | June 2005 |
| CTG2 | Natural Gas Fired Combined Cycle | 200.0 | June 2005 |
| STG1 | Natural Gas Fired Combined Cycle | 235.0 | June 2005 |
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 Calpine Corp - Metcalf Energy Center 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 Metcalf
How much power does Metcalf Energy Center produce?
Metcalf Energy Center reported 2,334,357 MWh (2.33 TWh) of net generation in 2025, a 42.0% capacity factor on 635 MW of nameplate capacity. From January to July 2026 it reported 655 GWh, which is provisional.
Where is Metcalf Energy Center?
Metcalf Energy Center is in Santa Clara County, California, at 37.2207, −121.7457. It is in the California Independent System Operator balancing area (CISO).
Who operates Metcalf Energy Center?
EIA-860M for August 2026 lists Calpine Corp - Metcalf Energy Center as the operator (EIA operator ID 2799). The operator is not always the owner.
When did Metcalf Energy Center start operating?
Its first generator began operating in June 2005, according to EIA-860M.
Does InfraMap have power prices for Metcalf Energy Center?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Metcalf Energy Center, 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