
Data centers
Helsinki Salmisaari Powerplant
Existing strong concrete building in secure power plant area containing flexible spaces. Power and cooling available from different directions as well as data connections. Helen as a plant operator 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. This location has also backup seawater cooling option.
Zoning readiness
Zoning ready for data center useNotes on investment regulatory readiness
All the needed permits are ready.
Building right / [m2]
10 000Site area / [m2]
73 000Notes on site size and building permit
Building permit means the existing available space in the power plant building.
Pre-approval of construction and environment permits, fire and rescue plan
Plans pre-approved by all authoritiesNatural 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 as well as two cooling plants on site.
Existing buildings
Several buildings.
Existing power systems
Several power systems. Existing power plant on site
Notes on existing infrastructure
Power supply to site from aerial high voltage network and from underground network.
What is needed to realize total power supply?
Power immediately available on site.
Redundancy power availability
Available (same as total main power feed)First phase electricity power supply (in 18 months or sooner)
11-20 MWFirst phase power supply to the site
0 - 18 monthsFirst phase electrical feed to the site
110 kVFirst phase redundancy power availability
Available (same as first phase main power feed)Notes on power supply
Power and redundant systems available as needed.
Distance to optical fiber infrastructure / [km]
0.2Distance to optical fiber infrastructure / [miles]
0.124274Amount of diverse connections
3 or moreConnectivity supplier(s) to provide diverse connectivity
IPOnly
Cogent Communications Deutchland GmbH
Elisa Oyj
DNA Oyj
Notes on fiber connectivity
Secure fiber connections available from city service tunnel network.
Person(s) responsible for provided information
Henrietta Lahti (Data Centers project manager)
Henrietta.Lahti@helen.fi
+358403361331