Heirloom Series A — limestone-based DAC tech using accelerated carbon mineralization
Heirloom Carbon Series A $53M co-led by Carbon Direct + Ahren + Breakthrough Energy Ventures. Limestone-based DAC tech using accelerated carbon mineralization. Among largest DAC venture rounds at the time. Microsoft Climate Innovation Fund, TIME Ventures, Lowercarbon, Carbon Removal Partners participated. Precursor to Heirloom's first US commercial DAC plant (2023).
$53M
Deal Value
Carbon Capture & DAC
Technology
CA
Location
Deal Details
- Deal Type
- Strategic & Growth Capital
- Seller / Sponsor
- Heirloom Carbon Technologies
- Buyer / Financier
- Carbon Direct Capital + Ahren Innovation Capital + Breakthrough Energy Ventures (co-leads); Microsoft Climate Innovation Fund, Breyer, Grantham, Lowercarbon, TIME Ventures, Carbon Removal Partners, Seven Seven Six
- Deal Value
- $53M
- Stage
- Growth
- ISO/RTO
- CAISO
- Source
- PRNewswire / Heirloom
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