View original ↗on Frontier Climate
deal · 17 December 2024
Frontier ↔ CREW Carbon
Frontier: a firm purchase of 72,492 t of ocean alkalinity enhancement removal from CREW Carbon.
BuyerFrontier
SupplierCREW Carbon
Tonnes72,492 t
Amount$32,100,000
Price$447 per tonne
Capture pathwayOcean alkalinity enhancement
Capture pathway secondaryRiver alkalinity enhancement
Storage mediumocean-dissolved
Durabilitydurable, 1,000 years or more
Durability basisseed-curated
Commitment typefirm
JurisdictionUnited States
Deal structureofftake
Delivery window2025-2030
Source pathway descriptionalkaline minerals added to wastewater treatment tanks (enhanced weathering in wastewater); bicarbonate leaves in treated discharge
Mapping notetaxonomy v1.1 has no wastewater-alkalinity code; escape hatch used per the 3-records rule
Price derivationusd_amount/tonnes, derived not quoted
NotesAnnounced jointly with CO280 ($80M combined). New Haven, Connecticut.
Oae variantwastewater
Pathway noteWAE classed under oae by owner decision 2026-08-14
Stated jurisdictionUS
Stated tonnes at announcement71878
Tonnes notetonnes trued to the Frontier portfolio page, 2026-09-01
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