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Prometheus Materials
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Developer of a technology that uses naturally occurring microalgae to produce a bio-cement and bio-concrete

Founded in 2021
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Company type Private Public ()
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Industry Group materials & chemicals

Sector industrial materials

TRL Range 4-6
TRL 1 Basic research
TRL 2 Technology formulation
TRL 3 Applied research
TRL 4 Small scale prototype
TRL 5 Large scale prototype
TRL 6 Prototype system
TRL 7 Demonstration system
TRL 8 First of a kind commercial system
TRL 9 Full commercial application
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Headquarters Boulder, CO Boulder, United States
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Updated by Cleantech Group on 11/25/2024

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Date Partner Type
11/08/2024
National Renewable Energy Laboratory (NREL) National Renewable Energy Laboratory (NREL)
Partnership received a $10M grant from the US DOE with Oak Ridge National Laboratory, and Lawrence Livermore National Laboratory to to establish methods for measuring, reporting, and verifying carbon dioxide (CO₂) removal and sequestration in cement and concrete.
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Confirmed by National Renewable Energy Laboratory (NREL)
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Date Investors Type Amount
06/06/2022 Sofinnova Partners Sofinnova Partners , Microsoft Climate Innovation Fund Microsoft Climate Innovation Fund , Skidmore, Owings & Merrill Skidmore, Owings & Merrill , GAF Materials Corporation GAF Materials Corporation , Autodesk Foundation Autodesk Foundation (5)
Post-money valuation of
The funding will be used to commercially manufacture zero-carbon masonry units at its production facility in Longmont, Colorado. The products will be marketed to architects, engineers, property and facility developers, and others in the construction industry as an affordable, strong, and durable zero-carbon alternative to portland cement-based concrete masonry units.
Series A $8,000,000
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