View original ↗on altitudecarbon.com
deal · 21 April 2026
Altitude ↔ Engrow
Altitude: a firm purchase of 425,000 t of biochar removal from Engrow.
BuyerAltitude
SupplierEngrow
Tonnes425,000 t
Capture pathwayBiochar
Storage mediumsoil
Commitment typefirm
Deal structureofftake
Source pathway descriptionBiochar-based carbon removal utilizing pyrolysis technology to convert agricultural residues into biochar CDR. The process converts biomass residues into stable carbon sequestered in biochar while capturing bio-oil fraction for permanent storage through bitumen blending in road construction or deep-well injection.
Storage descriptionBiochar permanence validated under independent third-party certification, recognising 1,000-year permanence. Bio-oil captured for permanent storage through bitumen blending in road construction or deep-well injection.
Project locationSouthern India (Tamil Nadu and broader Southern Indian region)
VerificationPuro.earth or equivalent methodologies
NotesCredits to be issued as CO₂ Removal Certificates (CORCs). Engrow's facilities described as operating under strict sustainability and verification standards. Engrow generates over 40% more CDR per tonne of biomass than conventional biochar-only operators according to company description. Multiple production sites under development across Southern India.
Durability defaultedtrue
Previous durabilitydurable-100y
Previous durability basispathway-default
Durability notePathway default removed; duration requires source evidence
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