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Power plant · Gas, combustion turbine

Key facts

Power plant · Gas, combustion turbine Operating

Capacity: Capacity: sourceEIA-860M · 30 Oct 2026Open licenseMW

Commissioned: 1963
Net generation, 2025: 2,156,520 MWh
Grid: 230 kV, 115 kV, 69 kV to Arizona Electric Pwr Coop Inc (WALC)
Location: Cochise County, Arizona
Operated by: Arizona Electric Pwr Coop Inc

Net generation, 2025: 2,156,520MWh
Fuel burned, 2025: 23,527,015MMBtu
Capacity factor, 2025: 31.5%
Heat rate, 2025: 10,910Btu/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.
Year	Net generation (MWh)	Fuel burned (MMBtu)	Capacity factor	Heat rate (Btu/kWh)
2026 (8 of 12 months)	1,350,642	15,214,357	—	11,264
2025	2,156,520	23,527,015	31.5%	10,910
2024	2,322,179	25,666,873	33.8%	11,053
2023	1,982,377	22,529,649	28.9%	11,365
2022	1,960,278	21,709,883	28.6%	11,075
2021	1,995,504	22,080,366	29.1%	11,065
2020	2,210,414	24,565,311	32.2%	11,113
2019	2,002,818	22,416,893	29.2%	11,193
2018	1,773,343	20,130,043	25.9%	11,352
2017	1,704,000	19,823,304	24.9%	11,633
2016	2,068,779	23,126,866	30.1%	11,179
2015	1,959,044	21,351,264	28.6%	10,899
2014	2,638,027	28,191,891	38.5%	10,687
2013	2,327,130	25,183,499	34.0%	10,822
2012	1,623,374	18,062,208	23.6%	11,126
2011	1,959,145	21,504,570	28.6%	10,976
2010	2,187,396	23,966,769	31.9%	10,957
2009	2,099,289	23,171,193	30.7%	11,038
2008	2,779,815	29,723,164	40.5%	10,692
2007	3,061,396	32,531,531	44.7%	10,626
2006	2,843,773	30,087,548	41.5%	10,580
2005	2,876,049	30,964,850	42.0%	10,766
2004	2,835,669	30,352,823	41.3%	10,704
2003	2,961,610	31,168,511	43.2%	10,524
2002	2,799,861	29,471,684	40.9%	10,526
2001	3,186,352	33,789,497	46.5%	10,604

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-860M Preliminary Monthly Electric Generator InventoryOpen license · retrieved 4 Nov 2026
Global Energy Monitor — Global Integrated Power Tracker (unit-level power plants, eight technologies, all statuses)Open license, with credit · retrieved 26 Oct 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.
EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Open license · retrieved 1 Nov 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)

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