Colstrip
COLSTRIP, MT · Rosebud · NAICS 221112
Data updated May 2026
Colstrip sits in the upper third of EPA GHGRP reporters by latest CO₂e (#11 of 8,713 nationally, #1 of 43 in MT).
- National rank #11 of 8,713 GHGRP facilities
- #1 of 43 in MT
- #9 of 1,732 in Power Plants
- 61.9% of TALEN ENERGY parent CO₂e
- 2023 mix: 0.8% non-CO₂ (N₂O-led)
- -22.2% since 2011
Colstrip vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
10,967,111 11th of 8713 higher than 8,702 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
Facility footprint context
This site accounts for 61.9% of TALEN ENERGY reported parent CO₂e (11.0M MT of 17.7M MT ; #1 of 11 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #9 of 1,732 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 11.0M MT CO₂e reported for 2023, non-CO₂ gases are 0.8% , led by N₂O at 0.5% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.2%
- 10.9M MT
- CH₄
- 0.3%
- 32K MT
- N₂O
- 0.5%
- 56K MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 10,967,111 |
| 2022 | 10,740,663 |
| 2021 | 10,035,340 |
| 2020 | 8,340,434 |
| 2019 | 14,277,559 |
| 2018 | 13,315,612 |
| 2017 | 13,934,589 |
| 2016 | 14,390,436 |
| 2015 | 15,972,993 |
| 2014 | 14,907,331 |
| 2013 | 13,679,348 |
| 2012 | 13,495,224 |
| 2011 | 14,096,357 |
Facility insight: Colstrip
Colstrip (GHGRP ID 1001020) is a high-volume reporter at 11.0M MT CO₂e in 2023 from COLSTRIP, MT (#11 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 22.2%; peak load was 16.0M MT in 2015. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2015 at 16.0M MT CO2e; latest 2023 sits 31.3% below that peak (11.0M MT). The largest year-to-year move was 2019→2020 (-41.6%, 5.9M MT).
Frequently Asked Questions
Where does Colstrip rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Colstrip ranks #11 of 8,713 reporting facilities by latest reported CO₂e, and #1 of 43 facilities in MT (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Colstrip? ▼
Colstrip's 11.0M MT CO₂e is higher than 8,702 of the 8,713 GHGRP facilities with reported emissions (100%), an exact count from the full corpus, not an estimate.
How much CO2 does Colstrip emit? ▼
Colstrip reported 11.0M MT CO2e in 2023.
What share of TALEN ENERGY does Colstrip represent? ▼
Colstrip accounts for 61.9% of TALEN ENERGY's reported GHGRP CO₂e (11.0M MT of 17.7M MT), ranking #1 of 11 facilities under that parent.
What is Colstrip's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.8% of reported CO₂e at Colstrip, with N₂O the larger non-CO₂ share at 0.5% (CO₂ 99.2%). Shares use the facility's GHGRP gas components for that year.
Where does Colstrip rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Colstrip ranks #9 of 1,732 by latest reported CO₂e.
Is Colstrip reducing emissions? ▼
Over 13 reporting years (2011–2023), Colstrip's emissions have decreased by 22.2%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside MT for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside MT (11.0M MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside MT.