Microsoft has signed a deal with Stockholm Exergi involving the removal of 3.33 million tonnes of permanent carbon, claiming it is the largest to date.
Construction of the carbon capture, liquefaction and storage plans to start next year, alongside the Swedish firm’s biomass-fired power plant.
Stockholm Exergi will deliver negative emissions according to ‘strict quality requirements’ at Värtan, Stockholm, including biofuel sustainable sourcing criteria developed with Microsoft, conservative quantification of net negative emissions, and comprehensive monitoring, reporting, and verification (MRV).
Carbon removal certificate deliveries to Microsoft are planned to begin in 2028 and will continue for 10 years.
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