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FinancingClosedDecember 4, 2024

Heirloom DAC technology platform + flagship Project Cypress (Port of Caddo-Bossier, Shreveport, LA) — DAC facility ramping to 300,000 tpa CO2

Heirloom Series B led by Future Positive and Lowercarbon Capital. Brings cumulative funding to >$200M. Heirloom uses limestone calcination DAC (mineralization). Anchor offtake includes Microsoft credits. Project Cypress facility (Caddo-Bossier, LA) starts 2027 at 100K tpa, scales to 300K tpa. Awarded $50M initial DOE Regional DAC Hub funding (Project Cypress with Battelle/Climeworks).

$150M

Deal Value

Carbon Capture & DAC

Technology

CA, LA

Location

Deal Details

Deal Type
Strategic & Growth Capital
Deal Value
$150M (Series B)
Stage
Development
ISO/RTO
Multiple

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