TNNet: DataVault Kanavuori
TNNet operates DataVault Kanavuori, an operator-neutral data center inside a former Defence Forces cave in Vaajakoski, Jyväskylä.
TNNet
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.
TNNet Data Center Map
TNNet Power Growth Over Time
+0%
since 2022
Operational
Construction
Planned
Prospective
Land Bank
In Doubt
Planned / Prospective
NN
Request Dataset
sites announced, but haven't started construction
Related News See all
Read
Sesterce Plans €10B, 600MW AI Campus at Former Finnish Paper Mill
Sesterce Plans €10B, 600MW AI Campus at Former Finnish Paper Mill
October 08, 2026 Central Finland
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...
Read more
Read
120MW Facility Proposed in Hämeenlinna, Finland
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...
Read more