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Glenarm — Power plant · Gas, combustion turbine · City of Pasadena - (CA)
  • Combustion
  • Operating
  • 10 · 100 · 1,000 MW

Power plant · Gas, combustion turbine

Key facts

Power plant · Gas, combustion turbineran 6% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1976
Net generation, 2025
129,845 MWh
Grid
34 kV to City of Pasadena - (CA) (CISO)
Location
Los Angeles County, California

Operations

Net generation, 2025
129,845MWh
Fuel burned, 2025
1,782,922MMBtu
Capacity factor, 2025
5.6%
Heat rate, 2025
13,731Btu/kWh
Capacity factor % of full output, by year
Heat rate Btu per kWh, by year
Net generation, fuel burned, capacity factor and heat rate by year, newest first, as EIA's bulk electricity file states them.
YearNet generation (MWh)Fuel burned (MMBtu)Capacity factorHeat rate (Btu/kWh)
2025129,8451,782,9225.6%13,731
202438,514524,0721.7%13,607
202340,910444,8501.8%10,874
202251,765527,2692.2%10,186
202118,062219,8410.8%12,172
202058,789578,5642.5%9,841
201964,961655,1702.8%10,086
2018107,2331,166,2924.6%10,876
201779,189853,0213.4%10,772
201632,2841,011,3351.4%—
201532,793360,6281.4%10,997
201433,607375,0731.4%11,161
201353,597622,4182.3%11,613
201289,9681,040,3923.9%11,564
201184,349998,0333.6%11,832
201078,323907,5813.4%11,588
2009100,0331,180,9514.3%11,806
200835,960386,6091.5%10,751
200741,658437,3231.8%10,498
200643,305463,1771.9%10,696
200527,403336,4321.2%12,277
200401,186——
2003561,2120.0%21,643
200256910,7030.0%18,810
20013,88659,3130.2%15,263
How these are worked out

Net generation and fuel burned are the monthly figures EIA publishes in its bulk electricity file, from the plant's Form 923 reports; a year is the sum of its months. Capacity factor is a full year's net generation over today's nameplate capacity times the hours in that year (8,784 in a leap year), so a plant uprated or partly retired since reads against its current size; heat rate is fuel burned over net generation, for plants that burn fuel. A year with fewer than twelve months stated has no capacity factor, and a value outside the plausible range is left blank rather than shown. By month, the charts apply the same rules to each month's own hours and fuel.

Sources

3 sources

Sources EIA-860M · GEM · EIA

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026
  • GEMOpen license, with credit · retrieved Oct 26, 2026Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
  • EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)

Every source and license · Attribution

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