Meta · Odense, Denmark
Meta’s Odense hyperscale campus routes surplus server heat into the Fjernvarme Fyn district network; Denmark abolished the surplus-heat tax in 2022 to unlock the model.
How it maps hereThe anchor OPERATING case for cold/temperate heat offtake; drives the SYN-HEAT synergy in the modeler.
Google · Hamina, Finland
Google supplies recovered heat to the Hamina district network free of charge, covering roughly 80% of town demand while the site runs at ~97% hourly carbon-free energy.
How it maps hereShows the offtake pairing with hourly CFE (E16) — a two-item SYN-HEAT + clean-power story.
Stockholm Exergi
OperatingStockholm Exergi · Stockholm, Sweden
Under Open District Heating the utility pays data centers for recovered heat and installs the heat pumps, turning free-cooling into a revenue stream for the operator.
How it maps hereDemonstrates the utility-pays commercial structure that makes E1 financially positive.
Microsoft / Fortum · Espoo, Finland
This precedent is announced, not operating — figures below are planned or illustrative, not delivered results.
A planned Microsoft/Fortum project to supply ~40% of the Espoo region’s heat from a new data center campus.
How it maps hereANNOUNCED, not operating — flagged so the site never presents projected capacity as delivered.