Expanding
Colocation
Liquid cooling
Tier III

Retelit Avalon Caldera

Retelit / Irideos · Via Caldera / MIX

IT live
18 MW
Free to lease
1.8 MW
$ / kW·mo
$174
White space
196k ft²

Inventory

90% occupied

Power

18 MWlive

1.8 MW to lease · 16.2 MW in use

White space

196k ft²total

11k ft² free · 184k ft² occupied

18k m² · 1,045 m² free

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

Power

IT live18 MW
Free to lease1.8 MW
Utility feed31.3 MW
Campus / planned25 MW

About 13.3 MW of the utility feed is cooling, conversion, and house load.

Power cost

$174/kW·mo

18.6¢ industrial · 23.8¢ after PUE 1.28

Per MW·year
$2.1M
This site · 18 MW
$38M/yr
10 kW rack
$1,738/mo
3.2¢ cheapdear 22.4¢

5.8× the cheapest market (Iceland Landsvirkjun). Same IT load there is $31M/yr less.

Italy industrial / Milan · utility tariff × PUE, not colo list price.

Redundancy
N+1
Opened
2000
Renewable match
45%
Rack density
10 kW
PUE
1.281.00 ideal · 1.60 typical
Power source
Terna / Enel. Dual MV inlets plus on-site diesel. Gas-marginal Italian grid.

Cooling

Plant

Hybrid

Liquid

Deployed

Rack density

10 kW

H100-eq

—

WUE

—

Operator has not published WUE. Blank, not zero — air-cooled sites still use some water.

Hybrid CRAH plus CDU-fed direct-to-chip loops for high-density AI cabinets.

Network carriers

6

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

Clouds

4

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

Location

Milan, Lombardy, Italy

Via Caldera 21, 20153 Milan

45.478°, 9.123° · Europe

Tenants / users

MIX, carriers, Fastweb, Seeweb, CDLAN, enterprise

Notes

Caldera carrier hotel. MIX adjacency. Avalon campus is Italy's densest interconnection pile after Equinix ML2. Retelit (Asterion) rolled in Irideos and BT Italia. 25 MW today, 60 MW group target 2027.

Operator site

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