emissionhub.cc / Largest emitters / Montana / Colstrip
Colstrip: 11.0 million metric tons CO2e in 2023
Colstrip in Colstrip, Montana reported 10,967,111 metric tons of CO2-equivalent direct emissions to the EPA for 2023, the #1 largest of 28 reporting direct emitters in Montana and #11 nationally.
- Direct emissions, 2023
- 10,967,111 t CO2e
- Rank
- #1 of 28 direct emitters in Montana; #11 of 6,455 in the U.S.
- Share of Montana total
- 60.9%
- Sector
- Power Plants
- Location
- Colstrip, Rosebud, Montana
- Parent company
- BERKSHIRE HATHAWAY INC (7.1%); PUGET HOLDINGS LLC (32.3%); TALEN ENERGY CORP (25.2%); PORTLAND GENERAL ELECTRIC CO (14.2%); AVISTA CORP (10.6%); NORTHWESTERN CORP (10.6%)
- NAICS code
- 221112
- EPA GHGRP facility ID
- 1001020
By gas
| Gas | t CO2e | Share |
|---|---|---|
| Carbon Dioxide | 10,879,444 | 99.2% |
| Nitrous Oxide | 55,601 | 0.5% |
| Methane | 32,066 | 0.3% |
See facility 1001020 on EPA FLIGHT · All direct emitters in Montana
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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