Planned
Colocation
Liquid cooling
Tier III

Equinix Hertfordshire Campus

Equinix · Hertfordshire

Planned IT
250 MW
Free to lease
250 MW
$ / kW·mo
$158
White space
500k ft²

Inventory

0% occupied

Power

250 MWlive

250 MW to lease · 0 MW in use

White space

500k ft²total

500k ft² free · occupied

46k m² · 46k m² free

Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.

Power

IT live
Free to lease250 MW
Utility feed
Campus / planned250 MW

Power cost

$158/kW·mo

18.4¢ industrial · 21.7¢ after PUE 1.18

Per MW·year
$1.9M
This site · 250 MW
$475M/yr
80 kW rack
$12,680/mo
3.2¢ cheapdear 22.4¢

5.7× the cheapest market (Iceland Landsvirkjun). Same IT load there is $393M/yr less.

England industrial · utility tariff × PUE, not colo list price.

Redundancy
2N
Opened
2030
Renewable match
80%
Rack density
80 kW
PUE
1.181.00 ideal · 1.60 typical
Power source
UK Power Networks plus operator renewable PPAs. Dual utility feeds.

Cooling

Plant

Hybrid

Liquid

Deployed

Rack density

80 kW

H100-eq

WUE

0.91 L/kWh

fleet avg · 2025 · 2M m³/yr at 250 MW

0 dry2.50 evaporative

Operator fleet average applied to this hall — not a site meter. Equinix 2025 Sustainability Report.

Campus-scale liquid-ready AI colo. Equinix Cooling as a Service.

Network carriers

8

On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.

Clouds

6

Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.

Location

Hemel Hempstead, England, United Kingdom

85-acre Hertfordshire development site

51.760°, -0.450° · Europe

Tenants / users

Hyperscale, AI clouds, networks

Notes

Announced Oct 2025. £3.9bn / 250+ MW Hertfordshire campus on an 85-acre site. Complements Docklands IBXs.

Operator site

Compiled from public filings, operator pages, and reporting. Not an official operator specification.