Parent company or controller Tri-State Generation & Transmission Association

Rank in Greenhouse 100 Coal Index: 33
CO2 emissions from combustion of all coal supplied (metric tons) 2021: 3,510,545
CO2 emissions from combustion of all coal supplied (metric tons) 2022: 2,864,901
Percentage of national total 2021 coal supplier emissions: 0.3%
Percentage of national total 2022 coal supplier emissions: 0.3%
Advanced data displayed (display basic data instead)
(Click on column headers to re-sort table: current sort is by 2021 CO2 emissions (mt).)
Links on mine names lead to detailed mine data displays.)

Mine Name	State	2021 CO2 emissions (mt) (sorted by)	2021 CO2 emissions (mt)	Split *	Coal production 2021 (short tons)	Coal production 2022 (short tons)	Coal type
Colowyo Mine	CO	3,510,545	2,864,901		2,065,294	1,685,454	subbituminous

For more information on the data, see the technical notes.
* Split: if 50% appears in this column, then the facility's emissions have been split among two 50/50% ownership parent companies.
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