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STO3 data center in Stockholm: specifications and address

Operational

STO3 is a data center in Stockholm, Sweden, operated by Digital Realty (Interxion), currently operational.

Digital Realty (Interxion) building at Esbogatan 11 in Kista, Stockholm, using remote seawater cooling for more than half the year.

STO3 — schematic illustration
Schematic illustration based on published specifications, not a photograph · air-cooled · in operation

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Units
Operator
Digital Realty (Interxion)
City
Stockholm, Sweden
Power, MW
—
Cooling
Air
Floor space
2,000 m²
Renewable energy
100%
Address
Esbogatan 11, Building 2, 16474 Kista, Sweden · Open in maps ↗
ISO 14001ISO 22301ISO 27001ISO 50001PCI-DSSSOC 2SOC 3EU EPC - ACarbonNeutral

1 sources · data pending on-site verification

D

Coloprice Score

41 out of 100

Class D · #3 of 51 in Sweden

  • Resilience10/35
  • Compliance16/20
  • Transparency8/20
  • Scale0/15
  • Maturity7/10
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STO3 — Coloprice Score 41
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Earned from the rankings — position in the country, city, category and worldwide lists, plus score axes at their maximum. Free to embed on the operator's site; each badge links back to the list that certifies it.

STO3 — Top 3 data centers in Sweden 2026
#3 of 51 · See the list →
STO3 — Top 3 data centers in Stockholm, Sweden 2026
#3 of 33 · See the list →

STO3 is Building 2 of Digital Realty's Esbogatan 11 site in Kista, Stockholm, operated under the Interxion brand and sitting next to STO2. The operator highlights external seawater cooling, which it says lets the Stockholm data centers operate for more than half a year without cooling. STO3 is the smallest of the Stockholm pair on paper, at 2,000 m² (21,500 sq ft), with 2N UPS and N+1 cooling redundancy. The page lists 100% renewable energy, CarbonNeutral certification, EU EPC class A, ISO 14001, 22301, 27001 and 50001, PCI-DSS, SOC 2 and SOC 3. Security includes 24x7 on-site personnel, CCTV with 90 days of backup and biometric or photo-badge access. Power capacity, rack counts and density are not published for STO3.

  • ▮Building 2 totals 2,000 m² (21,500 sq ft).
  • ▮UPS is 2N and cooling is N+1.
  • ▮External seawater cooling is cited by the operator for the Stockholm sites.
  • ▮CCTV footage is kept for 90 days.
  • ▮Power capacity is not published.

What buyers should verify at Digital Realty STO3

STO3 is a Digital Realty (Interxion) facility at Esbogatan 11, Building 2, 16474 Kista, Sweden. The sourced record lists 2,000 sqm of floor space and remote seawater cooling for more than half of the year.

The facility record includes SOC 2, PCI-DSS, ISO 27001, ISO 22301, ISO 14001 and ISO 50001 certifications. Buyers should still confirm the exact certification scope, current rack availability, power density, redundancy and carrier options for the proposed deployment.

Digital Realty does not publish a universal STO3 colocation rate in the source record. Request power, cabinet or cage space, cross-connects, installation, remote hands and annual price adjustments as separate commercial line items.

  • Address: Esbogatan 11, Building 2, 16474 Kista, Sweden.
  • Facility floor space in the sourced record: 2,000 sqm.
  • Remote seawater cooling is used for more than half of the year.

STO3 FAQ

Where is the STO3 data center?

STO3 is at Esbogatan 11, Building 2, 16474 Kista, Sweden, in the Stockholm market.

How large is Digital Realty STO3?

The sourced facility record lists 2,000 square metres of floor space. Available colocation capacity and rack density should be confirmed for a current requirement.

How much does colocation at STO3 cost?

The source record does not publish a universal STO3 price. Buyers need a current quote that separates power, space, cross-connects, installation, remote hands and contract adjustments.

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Data release:

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Source — Verified against operator sources · data pending on-site verification