New London data centers approved — and some are requesting 3 million liters of water per day and enough electricity to power thousands of homes
Multiple new data center projects have received planning approval in London, including a 12.2‑acre site in Hounslow and a large facility in Southall. The approved sites are expected to draw significant electricity, with an 80 MVA connection comparable to the power needs of thousands of homes, and some are seeking up to three million liters of water per day. The Greater London Authority notes that the concentration of data centers is putting pressure on the region’s energy and water infrastructure.
- ▪The Hounslow Council approved a brownfield data center that will use an 80 MVA power connection without tapping capacity reserved for other developments.
- ▪Other London data centers have requested up to three million liters of water daily, raising concerns for water utilities.
- ▪A GLA report found 99 data centers operating in London as of November 2025, with 26 additional sites pending approval, representing about 80% of the UK’s total.
- ▪The authority highlighted that roughly ten times the current approved electricity capacity for data centers is waiting in the grid connection queue, stressing energy providers.
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| Publication time | Wed, 12 Aug 2026 10:13:46 +0000 |
| Retrieval time | 2026-08-12T10:16:32.033Z |
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Pro New London data centers approved — and some are requesting 3 million liters of water per day and enough electricity to power thousands of homes News By Benedict Collins Published 12 August 2026 Concerns raised over water and electricity usage When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: Getty Images) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Multiple new data center sites have been approved in LondonConcerns have been raised about how the sites will access electricity and waterData centers haven't been accounted for in new UK water resource predictionsA…
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