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Calumet Montana Conducts River Drill Exercises
Great Falls, MT – Calumet Montana is committed to safety and environmental responsibility. To demonstrate this commitment, the company is conducting a planned river spill response drill June 25 and...
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Calumet Events & Presentations 
Certifications
RSB Book & Claim Certification
ISCC CORSIA Certification
ISCC PLUS Certification
ISCC EU Certification
Montana Renewables offers RSB Book & Claim Units (BCUs) representing the verified sustainability attributes of certified SAF. These units are issued and tracked through the independent RSB Registry.
ISCC CORSIA certification ensures that Montana Renewables complies with the international sustainability standards required for offsetting aviation emissions and contributes to a greener future.
ISCC PLUS certification ensures that Montana Renewables adheres to the highest sustainability and traceability standards for the production of renewable products, supporting environmentally responsible practices.
ISCC EU ensures that Montana Renewables complies with the European Union’s legal requirements for sustainability and greenhouse gas emissions savings criteria for sustainable fuels in accordance with the Renewable Energy Directive.
Memberships
Great Falls Calumet Cares
Community Giving Guidelines
At Montana Renewables, an unrestricted subsidiary of Calumet, we care deeply about the Great Falls community where we live and work. We strive to be a responsible neighbor and a positive force for the greater good through charitable giving, volunteerism, and local partnerships. Organizations in the Great Falls and Black Eagle, Montana area are invited to apply for support, donations, or sponsorships through our community giving program.
Applications accepted April 1–May 31, 2026. Award recipients announced September 17, 2026.
Montana Renewables, LLC is a subsidiary of Calumet, Inc. Visit Calumet.com for more information.