Largest greenhouse-gas emitters in Alaska

59 facilities in Alaska reported 14,212,705 metric tons CO2e of direct emissions to the EPA for 2023, 0.6% of the national total for reporting direct emitters. Petroleum and Natural Gas Systems accounts for the most (60%). Largest first.

#	Facility	City	Sector	t CO2e
1	CENTRAL COMPRESSOR PLANT	Prudhoe Bay	Petroleum and Natural Gas Systems	2,918,099
2	CENTRAL GAS FACILITY	Prudhoe Bay	Petroleum and Natural Gas Systems	2,076,855
3	CENTRAL POWER STATION	Prudhoe Bay	Petroleum and Natural Gas Systems	809,717
4	LISBURNE PRODUCTION CENTER	Prudhoe Bay	Petroleum and Natural Gas Systems	712,809
5	ENDICOTT PRODUCTION FACILITY	Prudhoe Bay	Petroleum and Natural Gas Systems	613,605
6	GOLDEN VALLEY ELECTRIC ASSOCIATION INC - HEALY POWER PLANT	Healy	Power Plants	607,686
7	TESORO ALASKA PETROLEUM CO	Kenai	Refineries, Chemicals, Petroleum and Natural Gas Systems	545,281
8	ConocoPhillips Alaska Inc - KRU CPF1	North Slope	Refineries	492,539
9	International Station Power Plant	Anchorage	Power Plants	416,500
10	EIELSON AIR FORCE BASE	Eielson Afb	Other	413,806
11	GEORGE SULLIVAN PLANT TWO	Anchorage	Power Plants	370,372
12	Eklutna Generation Station	Chugiak	Power Plants	337,966
13	ConocoPhillips Alaska Inc - KRU CPF3	North Slope	Petroleum and Natural Gas Systems	337,421
14	UTILITY PLANTS SECTION	Fort Wainwright	Power Plants	304,842
15	ConocoPhillips Alaska Inc - KRU CPF2	North Slope	Petroleum and Natural Gas Systems	293,508
16	GOLDEN VALLEY ELECTRIC ASSOC NORTH POLE POWER PLANT	North Pole	Power Plants	269,151
17	CHENA POWER PLANT	Fairbanks	Power Plants	265,496
18	SEAWATER INJECTION PLANT	Prudhoe Bay	Petroleum and Natural Gas Systems	215,845
19	NIKISKI CO-GENERATION	Nikiski	Power Plants	200,395
20	ANCHORAGE REGIONAL LANDFILL	Eagle River	Waste	175,759
21	SEAWATER TREATMENT PLANT	Prudhoe Bay	Petroleum and Natural Gas Systems	165,230
22	RED DOG OPERATIONS MINE FACILITY	Kotzebue	Other	146,932
23	University of Alaska Fairbanks	Fairbanks	Other	116,616
24	Steelhead Platform	Anchorage	Petroleum and Natural Gas Systems	90,006
25	SOUTH CUSHMAN LANDFILL	Fairbanks	Waste	82,673
26	ConocoPhillips Alaska Inc - KRU STP	North Slope	Petroleum and Natural Gas Systems	77,507
27	PETRO STAR VALDEZ REFINERY	Valdez	Refineries, Chemicals	76,998
28	ALYESKA PIPELINE SE/TAPS PUMP STATION 01	Prudhoe Bay	Other	70,995
29	TRANS ALASKA PIPELINE SYSTEM PUMP STATION 3	Prudhoe Bay	Other	66,600
30	Tyonek	Offshore	Petroleum and Natural Gas Systems	65,951
31	BARROW UTILITIES & ELECTRIC	Barrow	Power Plants	62,013
32	CENTRAL PENINSULA BALING FACILITY-SOLDOTNA LF	Soldotna	Waste	56,028
33	TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4	Prudhoe Bay	Other	54,578
34	Akutan Seafood Processing Facility	Akutan	Other	46,061
35	Monopod Platform	Anchorage	Petroleum and Natural Gas Systems	45,559
36	TDX NORTH SLOPE GEN/NORTH SLOPE GENERATI	anchorage	Power Plants	43,937
37	Coeur Alaska Inc Kensington Gold Mine	Juneau	Other	43,206
38	Grayling Platform	Anchorage	Petroleum and Natural Gas Systems	41,053
39	Dolly Varden Platform	Anchorage	Petroleum and Natural Gas Systems	38,361
40	UNISEA - DUTCH HARBOR	Dutch Harbor	Other	37,470
41	Providence Health & Service Alaska	Anchorage	Other	37,408
42	PETRO STAR INC NORTH POLE REFINERY	North Pole	Refineries	35,598
43	Matanuska-Susitna Borough Central Landfill	Palmer	Waste	32,309
44	Bethel Power Plant	Bethel	Power Plants	31,288
45	Alaska Village Electric Cooperative, Inc.	Anchorage	Power Plants	31,213
46	Eareckson Air Station	Shemya Island	Other	30,950
47	Dutch Harbor Power House	Unalaska	Power Plants	29,612
48	CRUDE OIL TOPPING UNIT, PRUDHOE BAY OPERATIONS CENTER, TARMAC CAMP	Prudhoe Bay	Refineries	24,649
49	Granite Point Platform	Anchorage	Petroleum and Natural Gas Systems	24,329
50	King Salmon Platform	Anchorage	Petroleum and Natural Gas Systems	24,085
51	ALYESKA PIPELINE SERVICE COMPANY, Valdez Marine Terminal	Valdez	Other	23,798
52	COPPER VALLEY ELECTRIC ASSOC (CoGen)	Valdez	Power Plants	22,343
53	Merrill Field Landfill	Anchorage	Waste	15,971
54	SOLDOTNA COMBUSTION TURBINE PLANT	Soldotna	Power Plants	12,003
55	Capitol Disposal Landfill	Juneau	Waste	11,832
56	Hecla Greens Creek Mine	Juneau	Other	9,392
57	CHUGACH - BELUGA RIVER POWER PLANT	Beluga	Power Plants	5,820
58	MGS Platform A	Offshore	Petroleum and Natural Gas Systems	4,554
59	BERNICE LAKE	Nikiski	Power Plants	127

Source: EPA Greenhouse Gas Reporting Program, 2023 reporting year, sector-level emissions from data.epa.gov (fetched October 31, 2026). Direct emissions in metric tons CO2e as EPA totals them: emitter sectors only, biogenic CO2 reported separately. Covers facilities that report as direct emitters; most emit 25,000 t CO2e or more a year. Reference only.

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