Microsoft UK West Cardiff
Microsoft Azure · Cardiff
- IT live
- 40 MW
- Remaining
- 20 MW
- $ / kW·mo
- $151
- White space
- 143k ft²
Inventory
67% occupiedPower
60 MWcampus
20 MW to commission · 40 MW in use
White space
214k ft²total
71k ft² free · 143k ft² occupied
20k m² · 6,636 m² free
Remaining power is campus IT not yet commissioned — captive capacity, not third-party colo.
Power
About 35 MW of the utility feed is cooling, conversion, and house load.
Power cost
$151/kW·mo
17.8¢ industrial · 20.6¢ after PUE 1.16
- Per MW·year
- $1.8M
- This site · 40 MW
- $72M/yr
- 25 kW rack
- $3,768/mo
5.6× the cheapest market (Iceland Landsvirkjun). Same IT load there is $59M/yr less.
Wales industrial · utility tariff × PUE, not colo list price.
- Redundancy
- 2N
- Opened
- 2015
- Renewable match
- 80%
- Rack density
- 25 kW
- PUE
- 1.161.00 ideal · 1.60 typical
- Power source
- National Grid Wales plus Microsoft PPAs.
Cooling
Plant
Hybrid
Liquid
Deployed
Rack density
25 kW
H100-eq
—
WUE
0.27 L/kWh
fleet avg · 2025 · 95k m³/yr at 40 MW
Operator fleet average applied to this hall — not a site meter. Microsoft FY2025 water intensity disclosure.
Hybrid CRAH plus CDU-fed direct-to-chip loops for high-density AI cabinets.
Network carriers
7On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.
Clouds
1Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.
Location
Cardiff, Wales, United Kingdom
Cardiff, Wales
51.481°, -3.179° · Europe
Tenants / users
Azure
Notes
Azure UK West. South Wales hydro/wind-adjacent region pair to UK South.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.