
Data centers
Helsinki Vuosaari
Over 100 000-sqm site ready for construction next to large power plant and harbor, also for heavy structures. Helen will supply energy products and backups for DC. Electricity and data connections can be arranged from secure energy tunnel network. Electricity can be supplied at least from 2 different electricity substation. Helen will utilize cooling energy for district heat production.
Zoning readiness
Zoning ready for data center useNotes on investment regulatory readiness
Local building permit is needed for DC building.
Site area / [m2]
100 000Pre-approval of construction and environment permits, fire and rescue plan
Negotiations not startedNatural water source available for cooling
AvailableNotes on cooling options
Cooling will be arranged by heat pumps. Heat is supplied to local district heating network. Sea water cooling is available as redundant cooling system. Sea water is available from power plant pumping station next to DC site.
Redundancy power availability
Available (same as total main power feed)Arrangement of redundancy power
Gas turbine power plant next to site will supply redundant electricity.
Distance to 110 kv power connection point / [km]
0.1Distance to redundancy power connection point / [km]
0.1First phase electricity power supply (in 18 months or sooner)
7-10 MWFirst phase power supply to the site
0 - 18 monthsFirst phase electrical feed to the site
20 kVFirst phase redundancy power availability
Available (same as first phase main power feed)Distance to optical fiber infrastructure / [km]
0.1Distance to optical fiber infrastructure / [miles]
0.062137Amount of diverse connections
3 or moreConnectivity supplier(s) to provide diverse connectivity
Elisa Oyj
DNA Oyj
Notes on fiber connectivity
Fibers can be arranged to other operators mainly trough undergound city service tunnels including: IP-Only Finland, Cogent, Equinix and Cinia. Shoreline approx. 1 km proximity for seabed fiber route.
Person(s) responsible for provided information
Henrietta Lahti (Data Centers project manager)
Henrietta.Lahti@helen.fi
+358403361331