Mapped (unverified)
Telefonica Data Centre
Slough, United Kingdom
Source: OpenStreetMap
Telefonica Data Centre is a mapped data center in Slough, United Kingdom, operated by Telefónica. DataCentersExposed has documented a 60,365 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
Telefónica
Operator
Telefónica
Est. capacity
~10-25 MW
Footprint
60,365 sq ft
Grid carbon
217 gCO₂/kWh
Clean electricity
64%
Region
Slough
Overview
source: linkTelefonica Data Centre is a mapped data center in the United Kingdom, operated by Telefónica. Available records put its footprint at 60,365 square feet. Ownership above Telefónica is not detailed in the facts on file, and no operator parent beyond the company itself is listed.
Operator chain
- Ultimate parentTelefónica
- Files asTelefónica
- This facilityTelefonica Data Centre
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)- Greece: PPC lands Amazon tie-up, pushes forward with mega-data centreTelco Titans· Sep 18, 2026
- EMEA Infrawatch: EU’s €300bn data centre gaptelcotitans.com· Jun 23, 2026
- Spanish government green lights Telefónica-led Gigafactory bidtelcotitans.com· Jun 17, 2026
- Germany’s O2 lays out data centre expansion plantelcotitans.com· May 7, 2026
- Virgin Media O2 signs 10-year solar PPA in Suffolk, UKData Center Dynamics· Apr 28, 2026
- 4iG lands deal to build Montenegrin gov-backed data centretelcotitans.com· Mar 27, 2026
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