Other sources power plants in the United States

Other-fuel units in the 2025 EIA-860 data total 3,602 MW of nameplate capacity, 0.3% of the US fleet. It is the main source at 71 plants; Louisiana has the most, with 669 MW. More of today’s other-fuel capacity came online in 2001 than in any other year (246 MW). The oldest unit still working went into service in 1925 at Sinclair Oil Refinery, Wyoming.

When today’s other-fuel capacity was built

Above the line: capacity still operable in 2025, by the year each unit came online. Below: other-fuel capacity retired in each year, including plants that have closed completely (EIA’s retired-generator file).

States with the most other-fuel capacity

Louisiana669 MW
Indiana639 MW
Texas491 MW
Florida347 MW
California276 MW
Ohio249 MW
Michigan238 MW
Delaware140 MW
Illinois121 MW
Pennsylvania83.5 MW
Montana61.6 MW
North Carolina54 MW
Utah41.3 MW
New Jersey41.2 MW
Hawaii39.1 MW

Largest units

The single biggest other-fuel generator is unit ST1 at Dearborn Industrial Generation, rated at 238 MW.

Plant	State	Unit size	Online
Dearborn Industrial Generation	Michigan	238 MW	2001
Gary Works	Indiana	161 MW	1997
Heat Recovery Coke Facility	Indiana	94.6 MW	1998
Indiana Harbor E 5 AC Station	Indiana	90 MW	1996
PPG Riverside	Louisiana	82 MW	1969
Air Products Port Arthur	Texas	78.2 MW	2006
Granite City Works	Illinois	78 MW	2010
Delaware City Plant	Delaware	75 MW	1961

The 25 largest plants on other fuels

Rank	Plant	State	Runs on	Capacity	First unit	Operator
1	ArcelorMittal Burns Harbor	Indiana	Other sources	176 MW	1969	Cleveland-Cliffs Burns Harbor LLC
2	Air Products Port Arthur	Texas	Other sources	169 MW	2000	Air Products LLC
3	PPG Riverside	Louisiana	Other sources	162 MW	1947	Westlake 2 US LLC
4	Gary Works	Indiana	Other sources	161 MW	1997	United States Steel-Gary
5	Mosaic New Wales Operations	Florida	Other sources	136 MW	1981	Mosaic Fertilizer LLC
6	Cleveland Works	Ohio	Other sources	102 MW	1965	Cleveland Cliffs
7	Heat Recovery Coke Facility	Indiana	Other sources	94.6 MW	1998	Cokenergy Inc
8	Indiana Harbor E 5 AC Station	Indiana	Other sources	90 MW	1996	Northlake Energy
9	Whiting Refinery	Indiana	Other sources	83.8 MW	1948	BP PLC
10	Mosaic Co Bartow Facility	Florida	Other sources	81.9 MW	1985	Mosaic Company
11	Granite City Works	Illinois	Other sources	78 MW	2010	United States Steel Granite City Works
12	CITGO Refinery Powerhouse	Louisiana	Other sources	75 MW	1942	CITGO Petroleum Corp
13	Mosaic Co Tampa Facility	Florida	Other sources	72.4 MW	1988	Mosaic Company
14	Haverhill North Cogeneration Facility	Ohio	Other sources	67 MW	2008	SunCoke Energy, Inc.
15	Middletown Coke Company, LLC	Ohio	Other sources	67 MW	2011	SunCoke Energy, Inc.
16	Air Products Texas City	Texas	Other sources	65.2 MW	2025	Air Products & Chemicals Inc
17	Los Angeles Refinery Wilmington	California	Other sources	58.5 MW	1988	Phillips 66 - Los Angeles
18	Phillips 66 Rodeo Refinery	California	Other sources	54.9 MW	1987	Phillips 66 Company
19	PCS Phosphate	North Carolina	Other sources	54 MW	1984	PCS Phosphate
20	Mon Valley Works	Pennsylvania	Other sources	52.5 MW	1943	United States Steel-Mon Valley
21	PPG Powerhouse A	Louisiana	Other sources	52.5 MW	1943	Westlake 2 US LLC
22	St. Mary Clean Energy Center	Louisiana	Other sources	50.9 MW	2019	Cleco Power LLC
23	Torrance Refining Company, LLC	California	Other sources	49.3 MW	1983	Torrance Refining Company, LLC
24	CII Carbon LLC	Louisiana	Other sources	46 MW	1951	CII Carbon LLC
25	ExxonMobil Oil Joliet Refinery	Illinois	Other sources	43.4 MW	1986	ExxonMobil Oil Corp

All 71 in the finder