Operational
Colocation
Liquid cooling
Tier III

Equinix SO2

Equinix · Sofia

IT live
8 MW
Free to lease
1.0 MW
$ / kW·mo
$110
White space
45k ft²

Inventory

88% occupied

Power

8 MWlive

1.0 MW to lease · 7.0 MW in use

White space

45k ft²total

5,455 ft² free · 40k ft² occupied

4,223 m² · 507 m² free

Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.

Power

IT live8 MW
Free to lease1.0 MW
Utility feed10.4 MW
Campus / planned8 MW

About 2.4 MW of the utility feed is cooling, conversion, and house load.

Power cost

$110/kW·mo

11.4¢ industrial · 15¢ after PUE 1.32

Per MW·year
$1.3M
This site · 8 MW
$11M/yr
12 kW rack
$1,318/mo
3.2¢ cheapdear 22.4¢

3.6× the cheapest market (Iceland Landsvirkjun). Same IT load there is $7.6M/yr less.

IBEX / Kozloduy · utility tariff × PUE, not colo list price.

Redundancy
N+1
Opened
2022
Renewable match
70%
Rack density
12 kW
Voltage
PUE
1.321.00 ideal · 1.60 typical
Power source
Local grid plus Equinix on-site generators, N+1.

Cooling

Plant

Hybrid

Liquid

Deployed

Rack density

12 kW

H100-eq

WUE

0.91 L/kWh

fleet avg · 2025 · 64k m³/yr at 8 MW

0 dry2.50 evaporative

Operator fleet average applied to this hall — not a site meter. Equinix 2025 Sustainability Report.

Equinix Cooling as a Service: CDU-fed direct-to-chip loops for high-density AI cabinets, alongside IDEC/CRAH for standard interconnection cages.

Network carriers

3

On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.

Clouds

6

Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.

Location

Sofia, Sofia, Bulgaria

Sofia, Bulgaria

42.701°, 23.325° · Europe

Tenants / users

Networks, cloud, enterprise, finance — Equinix Fabric

Notes

SO2 is an Equinix IBX in the Sofia metro. Carrier-neutral IBX with Equinix Fabric, Internet Exchange, and cloud on-ramps. Fleet-average PUE was 1.37 in 2025.

Operator site

Compiled from public filings, operator pages, and reporting. Not an official operator specification.