AWS Europe London AZ B
Amazon Web Services · London Cloud Region
- IT live
- 40 MW
- Remaining
- 20 MW
- $ / kW·mo
- $154
- 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
$154/kW·mo
18.4¢ industrial · 21.2¢ after PUE 1.15
- Per MW·year
- $1.9M
- This site · 40 MW
- $74M/yr
- 25 kW rack
- $3,862/mo
5.7× the cheapest market (Iceland Landsvirkjun). Same IT load there is $61M/yr less.
SSE Thames Valley · utility tariff × PUE, not colo list price.
- Redundancy
- N+1
- Opened
- 2016
- Renewable match
- 80%
- Rack density
- 25 kW
- PUE
- 1.151.00 ideal · 1.60 typical
- Power source
- UK Power Networks plus operator renewable PPAs. Dual utility feeds.
Cooling
Plant
Evaporative
Liquid
Deployed
Rack density
25 kW
H100-eq
—
WUE
0.12 L/kWh
fleet avg · 2025 · 42k m³/yr at 40 MW
Operator fleet average applied to this hall — not a site meter. AWS 2025 sustainability disclosure.
Evaporative baseline; newer AI halls liquid-ready. eu-west-2.
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
Slough, England, United Kingdom
Slough / M4 corridor (AZ undisclosed)
51.510°, -0.580° · Europe
Tenants / users
AWS customers
Notes
Second eu-west-2 AZ. Slough / M4 corridor clustering.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.