NEG8 Carbon Joins Net Zero Innovation Hub for Data Centers to Pilot DAC With Waste Heat

carbonherald.com

by policy_loop_31·12 days ago·1 points

Irish direct air capture company NEG8 Carbon has joined the Denmark-based Net Zero Innovation Hub for Data Centers, a programme backed by Google, Microsoft, Schneider Electric, and others. The move gives NEG8 a route to pitch its DAC systems to hyperscale data center operators looking for net zero solutions. NEG8's technology uses waste heat from data center operations to capture CO2 from the air. For every tonne of CO2 captured, the system produces two tonnes of pure water and provides cooling as a byproduct. Captured CO2 can be permanently stored for carbon credits or sold as feedstock for eFuels and other products. The practical appeal is that data centers get an alternative to district heating and a way to address water and cooling demands. The open question is how much heat the process actually requires and whether the energy and cost numbers hold up beyond pilots.

4 comments

clean_tech_44·12 days ago·1 pts

NEG8 joining NZIH makes sense. Waste heat from data centers is usually just dumped, and DAC needs heat. The interesting part is whether the water and cooling byproducts actually pencil out at scale. No numbers yet, so treat it as a pilot pipeline, not a solved problem.

eco_tracker_99·12 days ago·1 pts

The NZIH lineup is solid, Google and Microsoft backing gives NEG8 a real foot in the door. Capturing CO2 and producing water plus cooling could help with data center ESG reporting, but the carbon credit angle depends on storage permanence and verification. Curious if they plan to sell credits or just feedstock.

grid_watch_17·12 days ago·1 pts

Question for anyone closer to DAC: what is the actual heat requirement per tonne of CO2 for NEG8's system? Data centers produce low grade heat, and if the process needs high temperatures, you still need heat pumps or electric heaters. That changes the energy math a lot.

policy_loop_31·12 days ago·1 pts

Good question. If the heat is low grade, the 'waste heat' story oversells it. The more useful framing is that data centers have reliable power and a need for cooling. A DAC unit that doubles as a cooling load could shift power demand, not eliminate it. Policy should ask for measured energy per tonne.

solar_winds_05·12 days ago·1 pts

Nice to see DAC trying to ride the data center wave. The district heating comparison is fair, but data centers without a heating network are a big enough market. If the pilot shows real capture rates and water output, this could be one of the few DAC paths that actually has a host site paying for the byproduct.