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SAFxCHANGE · plants and projects · United States

Montana Renewables (Calumet)

Montana Renewables (Calumet) is an under construction sustainable aviation fuel project in Great Falls, Montana, United States. Its announced capacity is 86 thousand tonnes a year (108 million litres, 28 million US gallons), by the HEFA pathway. It is due to start in 2022. The record comes from the SAFxCHANGE producers table of December 2023, updated from the news since.

86thousand tonnes a year108 million litres, 28 million US gallons
under constructionstatusdue 2022
HEFApathwayrecorded as "HEFA-SPK"
United StatesNorth AmericaGreat Falls, Montana

The record

Owner
Montana Renewables (Calumet)
Place
Great Falls, Montana, United States (47.507, -111.306)
Pathway
HEFA (recorded as "HEFA-SPK")
Fuel
sustainable aviation fuel
Status
under construction
Announced capacity
86 thousand tonnes a year · 107.5 million litres · 28.4 million US gallons
Due to start
2022
Where the record came from
The SAFxCHANGE producers table of December 2023, updated from the news on 2026-09-17.
Notes
; status from article 174 (2024-01-01); start_year from article 176 (2023-10-01); status from article 175 (2023-10-01); status from article 5301 (2026-09-03); status from article 5040 (2026-09-17)

Other plants and projects recorded with Montana Renewables (Calumet)

PlantWhereStatusCapacity, thousand tonnes a yearStarts
Montana Renewables (Calumet)Great Falls, United Statesunder construction862022

Capacity is as announced, a year, with tonnes counted at 0.8 kilograms per litre; a plant's own figure may differ. A record "settled by rule" was read from an article by the reader and checked only against the site's rules (a plausible size, a real owner, no duplicate), not by a person. Cite as: eFlight SAFxCHANGE, Montana Renewables (Calumet): sustainable aviation fuel plant record, https://eflight.com/saf/plant/montana-renewables-calumet, retrieved 2026-10-19. Terms. To correct the record, write to [email protected].