TNNet: DataVault Kanavuori

Latest Podcast Varikkotie 160

Operational

Fully operational facility

Central Finland

Region
Finland

Country
Nordics

Region
Western Europe

Region
Europe

Region
EMEA

Region

TNNet: DataVault Kanavuori

Year Built: 2011

Operational Power

SqFt

Gross Colocation Size

TNNet operates DataVault Kanavuori, an operator-neutral data center inside a former Defence Forces cave of about 13,000 m² in Vaajakoski, Jyväskylä.

Site History

In 2011, the data center opened in the Kanavuori cave.

Project Profile

Heat reuse: data center heat warms buildings in the Kanavuori area

Map and Nearby Locations

Varikkotie 160

TNNet Sites

Nearby Facilities

TNNet: DataVault Kanavuori Power Growth Over Time

+0% since 2022

Unlock full market data

Operational

Construction

Planned

Prospective

Land Bank

In Doubt

Currently Operational

across sites

Under Construction

sites currently building

Planned / Prospective

sites announced, but haven't started construction

Sites within 15 miles of TNNet: DataVault Kanavuori

Distance	Site	About
4.84 miles	Fortum: Jyväskylä (Seppälänkangas)	Fortum is developing a data center site at Itäinen Seppälänkangas in Jyväskylä on city land, with a detailed plan in force for the area.

Operating Company

TNNet Oy is a Finnish IT infrastructure company founded in 2002 by Timo Nieminen, who now serves as its technology and finance director. Lauri Aho-Pynttäri is managing director. The company is headquartered in Jyväskylä and started out of a gaming café in the city centre before setting up its own network operator.

TNNet offers data connections, SD-WAN, virtual and private cloud servers, Kubernetes, backup, firewall, security and IT support services to companies and organisations across Finland. Its DataVault Kanavuori data centre at Varikkotie 160 in Jyväskylä sits inside a former Finnish Defence Forces rock cave and offers colocation, cloud and XaaS services. Waste heat from the data centre heats buildings in the Kanavuori area. TNNet holds ISO 27001 certification and had 16 employees in 2025.

TNNet History:

In 2011, TNNet opened the DataVault Kanavuori data centre in a former Defence Forces cave in Jyväskylä.
Founded in 2002 in Jyväskylä.

Facilities

News See all

Sesterce Plans €10B, 600MW AI Campus at Former Finnish Paper Mill

October 08, 2026 Sesterce

French AI infrastructure company Sesterce said Thursday it plans to invest more than €10 billion ($11.2 billion) to convert the former Kaipola paper mill in Jämsä, Central Finland, into a 600 MW AI data center campus. The company's announcement outlines a 200 MW first phase and confirms an...

120MW Facility Proposed in Hämeenlinna, Finland

November 06, 2025 Central Finland

The government of Hämeenlinna this week announced that a reservation agreement has been made for three business plots in Hämeenlinna's MORE industrial park for a data center project. The government of Hämeenlinna this week announced that a reservation agreement has been made for three...