Data centres / United Kingdom

Google Waltham Cross data centre

OperatingUnited Kingdom4 of 13 fields known

Waltham Cross (Theobalds Business Park, Cheshunt), Hertfordshire, United Kingdom.

Operator

Google

Owner

Not stated

Stage

Operating (source, 16 September 2025)

Power

Google says it holds a 100MW power purchase agreement with ENGIE from the Moray West offshore wind farm, which is a UK-wide supply contract and not a statement of this site's capacity.

Cooling

Google says the facility uses air cooling to limit water use and is capable of off-site heat recovery.

No MW figure for the site was found in fetched primary sources. Planning documents were not fetched.

What we checked

• Google announced the opening of the Waltham Cross data centre on 16 September 2025. (source)
• The January 2024 announcement describes a 33 acre site bought in October 2020 and a 1 billion dollar investment, with construction under way. (source)
• Broxbourne Council says the centre is being built at Theobalds Business Park in Cheshunt. (source)

What we do not know yet

4 of 13 fields in a complete record are filled. Still missing:

• Owner
• Capacity (MW)
• Grid connection
• PUE
• Water use
• Chips
• Connectivity
• Certifications
• Planning reference

Checked on 2 October 2026. Reported and planned figures are shown as such. Not yet reviewed line by line by a second person. If something is wrong or you know more, tell us.

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• Nscale Loughton AI Campus
• North Weald Airfield data centre campus