Mapped (unverified)
Iron Mountain London LON-1
Slough, Slough, United Kingdom
Source: OpenStreetMap
Iron Mountain London LON-1 is a mapped data center in Slough, United Kingdom, operated by Formerly Credit Suisse. DataCentersExposed has documented a 158,854 sq ft footprint at this site. It runs on United Kingdom's grid, which was 36% fossil-fuelled at 217 gCO₂e/kWh in 2025 (Ember).
Reporting by Eric Keller · Updated Jun 14, 2026
Real parent
Formerly Credit Suisse
Operator
Formerly Credit Suisse
Est. capacity
~30-65 MW
Footprint
158,854 sq ft
Grid carbon
217 gCO₂/kWh
Clean electricity
64%
Region
Slough
Status · click to filter
Most sites are mapped — located but awaiting a second source. How we verify
Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.
Overview
source: linkFormerly Credit Suisse Data Centre
Operator chain
- Ultimate parentFormerly Credit Suisse
- Files asFormerly Credit Suisse
- This facilityIron Mountain London LON-1
The grid behind this site
source: Ember · EurostatGrid carbon intensity
217 gCO₂/kWh
Clean electricity
64%
Fossil electricity
36%
National grid context, not this facility's own metering. Full country picture: United Kingdom data centers.
In the news
source: Google News (local + English)No recent coverage found for this facility.