Operational
Colocation
Liquid cooling
Tier III

Digital Realty MAD4

Digital Realty / Interxion · Julián Camarillo

IT live
16 MW
Free to lease
2.2 MW
$ / kW·mo
$114
White space
80k ft²

Inventory

86% occupied

Power

16 MWlive

2.2 MW to lease · 13.8 MW in use

White space

80k ft²total

11k ft² free · 69k ft² occupied

7,432 m² · 1,041 m² free

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

Power

IT live16 MW
Free to lease2.2 MW
Utility feed20 MW
Campus / planned16 MW

About 4 MW of the utility feed is cooling, conversion, and house load.

Power cost

$114/kW·mo

12.2¢ industrial · 15.6¢ after PUE 1.28

Per MW·year
$1.4M
This site · 16 MW
$22M/yr
15 kW rack
$1,710/mo
3.2¢ cheapdear 22.4¢

3.8× the cheapest market (Iceland Landsvirkjun). Same IT load there is $16M/yr less.

Spain industrial · utility tariff × PUE, not colo list price.

Redundancy
N+1
Opened
2024
Renewable match
80%
Rack density
15 kW
PUE
1.281.00 ideal · 1.60 typical
Power source
Redeia.

Cooling

Plant

Hybrid

Liquid

Deployed

Rack density

15 kW

H100-eq

WUE

0.59 L/kWh

fleet avg · 2025 · 83k m³/yr at 16 MW

0 dry2.50 evaporative

Operator fleet average applied to this hall — not a site meter. Digital Realty 2025 Impact Report.

Hybrid plus liquid-ready high-density cabinets.

Network carriers

7

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

Clouds

5

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

Location

Madrid, Madrid, Spain

Julián Camarillo, Madrid

40.437°, -3.618° · Europe

Tenants / users

Cloud, networks, enterprise

Notes

Newer MAD campus building. MAD5 in development at 20–24 MW IT.

Operator site

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