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#waste-heat-recovery

Issues, solutions, and case studies for waste-heat-recovery

Issues 1

#00211data-center waste heat is vented to the atmosphere while neighbouring buildings burn fuel for heating

Almost all electricity a data-center draws leaves as low-grade heat at 30–40 °C, typically rejected to air. Neighbouring buildings burn gas to produce the same heat. Where reuse works it is substantial, but temperature, price, infrastructure, and regulatory gaps block it nearly e

Solutions 2

#00225Sell waste heat into a district heating network at a market price rather than donating it

Connect the facility's cooling loop to a district heating network under a contract that pays per MWh delivered at a market-referenced price. Stockholm's open market has ~20 suppliers; Odense delivers 215,000 MWh/year to over 12,000 homes using ammonia heat pumps.

city

#00214Site compute underground in disused mines, caverns and bunkers

Put facilities in worked-out mines, rock caverns, and decommissioned bunkers, where stable rock temperature, natural cold water, and hundreds of feet of overburden remove noise and visual impact. Operating commercially for years at Lefdal in Norway and Iron Mountain in Pennsylvan

Case studies 2

Municipality of Amsterdam with data-center operators in the metropolitan region · 2019–2021 · City

Amsterdam imposed a moratorium on new data-center development from 2019 to 2021, with heat reuse among the conditions placed on the sector. Operators offered waste heat free of charge. The moratorium was lifted without…

Price paid for offered waste heat0EUR per MWh
Moratorium duration~18months

2 sources

Gerard Antoun

Meta with Fjernvarme Fyn, engineering by Ramboll · since 2019 · City

Waste heat from Meta's Odense facility is captured and lifted by ammonia heat pumps from 30–40°C to 70–75°C (the temperature Fjernvarme Fyn's network requires) and delivered into the municipal district heating system. I…

Heat delivered0 (rejected to atmosphere)215,000MWh per year
Thermal capacity~45MW

Meta and Fjernvarme Fyn (municipal utility) · 1 source

Gerard Antoun

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