Calumet Montana Refining, LLC
GREAT FALLS, MT · CASCADE COUNTY · NAICS 324110
Data updated May 2026
Calumet Montana Refining, LLC sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,097 of 8,713 nationally, #8 of 43 in MT).
- National rank #1,097 of 8,713 GHGRP facilities
- #8 of 43 in MT
- #162 of 534 in Chemicals
- 41.9% of CALUMET SPECIALTY PRODUCTS PARTNERS parent CO₂e
- 2023 mix: 1.1% non-CO₂ (CH₄-led)
- +189.3% since 2011
Calumet Montana Refining, LLC vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
427,371 1097th of 8713 higher than 7,616 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 41.9% of CALUMET SPECIALTY PRODUCTS PARTNERS reported parent CO₂e (427K MT of 1.0M MT ; #1 of 5 GHGRP facilities under that parent ). Inside the EPA Chemicals sector it ranks #162 of 534 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 427K MT CO₂e reported for 2023, non-CO₂ gases are 1.1% , led by CH₄ at 1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 98.9%
- 423K MT
- CH₄
- 1%
- 4K MT
- N₂O
- 0.1%
- 448 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 427,371 |
| 2022 | 260,293 |
| 2021 | 283,600 |
| 2020 | 299,723 |
| 2019 | 311,235 |
| 2018 | 312,251 |
| 2017 | 318,275 |
| 2016 | 289,472 |
| 2015 | 131,430 |
| 2014 | 114,242 |
| 2013 | 120,895 |
| 2012 | 120,273 |
| 2011 | 147,743 |
Facility insight: Calumet Montana Refining, LLC
Calumet Montana Refining, LLC (GHGRP ID 1007739) is a high-volume reporter at 427K MT CO₂e in 2023 from GREAT FALLS, MT (#1,097 of 8,713 nationally) under Chemicals (NAICS 324110).
From 2011 to 2023, reported CO₂e rose 189.3% (peak 427K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Frequently Asked Questions
Where does Calumet Montana Refining, LLC rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Calumet Montana Refining, LLC ranks #1,097 of 8,713 reporting facilities by latest reported CO₂e, and #8 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 Calumet Montana Refining, LLC? ▼
Calumet Montana Refining, LLC's 427K MT CO₂e is higher than 7,616 of the 8,713 GHGRP facilities with reported emissions (87%), an exact count from the full corpus, not an estimate.
How much CO2 does Calumet Montana Refining, LLC emit? ▼
Calumet Montana Refining, LLC reported 427K MT CO2e in 2023.
What share of CALUMET SPECIALTY PRODUCTS PARTNERS does Calumet Montana Refining, LLC represent? ▼
Calumet Montana Refining, LLC accounts for 41.9% of CALUMET SPECIALTY PRODUCTS PARTNERS's reported GHGRP CO₂e (427K MT of 1.0M MT), ranking #1 of 5 facilities under that parent.
What is Calumet Montana Refining, LLC's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 1.1% of reported CO₂e at Calumet Montana Refining, LLC, with CH₄ the larger non-CO₂ share at 1% (CO₂ 98.9%). Shares use the facility's GHGRP gas components for that year.
Where does Calumet Montana Refining, LLC rank inside Chemicals? ▼
Among EPA GHGRP facilities tagged Chemicals, Calumet Montana Refining, LLC ranks #162 of 534 by latest reported CO₂e.
Is Calumet Montana Refining, LLC reducing emissions? ▼
Over 13 reporting years (2011–2023), Calumet Montana Refining, LLC's emissions have increased by 189.3%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Peer sets outside MT for a top-third GHGRP emitter: CO₂e totals first, then Chemicals neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside MT (427K MT here).
Similar Chemicals CO₂e
Nearest same-sector facility totals outside MT.