Who owns IBM Horsham?

IBM Horsham is owned and operated by IBM.

How clean is the grid behind IBM Horsham?

IBM Horsham runs on United Kingdom's grid, which was 217 gCO₂/kWh and 64% clean in 2025 (Ember).

Where is IBM Horsham located?

IBM Horsham is in West Sussex, United Kingdom.

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

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Est. capacity

~10-25 MW

Footprint

56,855 sq ft

Grid carbon

217 gCO₂/kWh

Clean electricity

64%

Region

West Sussex

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

IBM 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

Ultimate parent
IBM
Files as
IBM
This facility
IBM Horsham

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)