View original ↗on senken.io
deal · 17 August 2026
Senken ↔ Carbonsate
Senken: a firm purchase of 50,000 t of terrestrial biomass burial/vaulting removal from Carbonsate.
BuyerSenken
SupplierCarbonsate
Tonnes50,000 t
Capture pathwayTerrestrial biomass burial/vaulting
Storage mediumgeological
Commitment typefirm
Deal structureofftake
Source pathway descriptionBiomass storage (biomass burial): waste wood stored in engineered underground chambers, preventing carbon from returning to the atmosphere through burning or decomposition; carbon locked away for centuries
Storage descriptionEngineered underground chambers in arid climate conditions (Namibia); continuous monitoring via proprietary MRV system
Delivery window2026-2028
Project locationOtjiwarongo, Namibia
VerificationPuro.earth standard with Isometric certification under evaluation
NotesMulti-year offtake agreement. Senken procures volumes for corporate buyers. Project cleared Senken's Sustainability Integrity Index (SII) review. Second-largest buyer commitment in biomass geological storage category worldwide; largest for a project operating in Africa. Project operating since early 2025, scheduled to deliver ~10,000 credits in 2026. Both parties intend to expand agreement as capa
Durability defaultedtrue
Previous durabilitydurable-1000y
Previous durability basispathway-default
Durability notePathway default removed; duration requires source evidence
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