Mapped (unverified)
IBM Horsham
West Sussex, United Kingdom
Source: OpenStreetMap
IBM Horsham is a mapped data center in West Sussex, United Kingdom, operated by IBM. DataCentersExposed has documented a 56,855 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
IBM
Operator
IBM
Est. capacity
~10-25 MW
Footprint
56,855 sq ft
Grid carbon
217 gCO₂/kWh
Clean electricity
64%
Region
West Sussex
Overview
source: linkIBM Horsham is a mapped data center in the United Kingdom, operated by IBM. Available records describe it as an IBM data center with a footprint of 56,855 square feet. No further ownership detail or operational status is disclosed in available records.
Operator chain
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)- Plans lodged for 80,000-square-metre data centre at former IBM site in GreenockGreenock Telegraph· Aug 28, 2026
- IBM Just Opened Its Mainframes to Arm—Is the Market Missing the Shift?inkl· Aug 25, 2026
- IBM slashes revenue forecast amid slump in data-center mainframe salesInvesting.com UK· Jul 22, 2026
- IBM targets data center efficiency gains with new z17 and LinuxONE offeringsIT Pro· Jul 8, 2026
- MSP calls for plans to build AI data centre at Spango Valley to be haltedGreenock Telegraph· Jul 2, 2026
- Dutch data centre disrupted by firethe Fire Protection Association.· May 17, 2026
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