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DataCentersExposed
Mapped (unverified)

Rackspace London Slough (LON3)

Slough, United Kingdom

Source: OpenStreetMap

Rackspace London Slough (LON3) is a mapped data center in Slough, United Kingdom, operated by Rackspace Technology, Inc.. DataCentersExposed has documented a 46,614 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 · Updated Jun 14, 2026

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Real parent
Rackspace Technology, Inc.
Operator
Rackspace Technology, Inc.
Est. capacity
~5-20 MW
Footprint
46,614 sq ft
Grid carbon
217 gCO₂/kWh
Clean electricity
64%
Region
Slough
Attribution & capacity confidence:mediumprimary source
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: link

Rackspace London Slough (LON3) is a mapped data center in the United Kingdom, operated by Rackspace Technology, Inc. Public records put its footprint at 46,614 square feet. Available filings do not name an ultimate parent above Rackspace Technology for the site.

Operator chain

The grid behind this site

source: Ember · Eurostat
Grid 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)

Methodology & sources

Every row carries a confidence level (high / medium / low) and a source URL. Spot an error? Tell us.