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Power plant · Coal

Key facts

Power plant · Coal Retiring

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

Commissioned: 1979
Net generation, 2025: 2,933,440 MWh
Grid: 500 kV to Salt River Project (SRP)
Location: Apache County, Arizona
Operated by: Salt River Project

Net generation, 2025: 2,933,440MWh
Fuel burned, 2025: 33,076,352MMBtu
Capacity factor, 2025: 40.8%
Heat rate, 2025: 11,276Btu/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)	1,602,916	18,166,337	—	11,333
2025	2,933,440	33,076,352	40.8%	11,276
2024	2,672,825	30,093,722	37.0%	11,259
2023	3,082,129	33,834,011	42.8%	10,978
2022	2,973,802	34,471,066	41.3%	11,592
2021	3,402,198	38,075,082	47.3%	11,191
2020	2,595,924	29,324,867	36.0%	11,296
2019	2,074,935	23,097,540	28.8%	11,132
2018	3,597,872	39,107,474	50.0%	10,870
2017	3,899,903	41,560,972	54.2%	10,657
2016	4,924,949	52,108,743	68.2%	10,581
2015	4,935,387	52,808,036	68.6%	10,700
2014	5,419,903	57,103,026	75.3%	10,536
2013	5,782,498	61,437,007	80.3%	10,625
2012	5,590,723	60,471,043	77.5%	10,816
2011	5,455,646	58,397,374	75.8%	10,704
2010	6,244,275	65,310,765	86.7%	10,459
2009	5,575,038	57,769,206	77.4%	10,362
2008	6,286,477	65,892,834	87.1%	10,482
2007	5,813,324	60,069,405	80.8%	10,333
2006	5,888,365	63,999,231	81.8%	10,869
2005	6,070,915	65,468,591	84.3%	10,784
2004	5,797,381	60,341,297	80.3%	10,408
2003	5,786,578	60,592,439	80.4%	10,471
2002	5,063,164	51,042,933	70.3%	10,081
2001	5,858,073	59,803,314	81.4%	10,209

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)

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