Ark Union Park
Ark Data Centres · Union Park
- IT live
- 24 MW
- Free to lease
- 29.7 MW
- $ / kW·mo
- $158
- White space
- 75k ft²
Inventory
0% occupiedPower
24 MWlive
29.7 MW to lease · 0 MW in use
White space
75k ft²total
93k ft² free · — occupied
6,968 m² · 8,623 m² free
Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.
Power
About 54.8 MW of the utility feed is cooling, conversion, and house load.
Power cost
$158/kW·mo
18.4¢ industrial · 21.7¢ after PUE 1.18
- Per MW·year
- $1.9M
- This site · 24 MW
- $46M/yr
- 30 kW rack
- $4,755/mo
5.7× the cheapest market (Iceland Landsvirkjun). Same IT load there is $38M/yr less.
England industrial · utility tariff × PUE, not colo list price.
- Redundancy
- N+1
- Opened
- 2023
- Renewable match
- 80%
- Rack density
- 30 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
30 kW
H100-eq
—
WUE
—
Operator has not published WUE. Blank, not zero — air-cooled sites still use some water.
Direct-to-chip cold plates and rear-door heat exchangers. Designed for GB200/Blackwell-class racks.
Network carriers
5On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.
Clouds
3Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.
Location
Hayes, England, United Kingdom
Union Park, Hayes, London
51.498°, -0.418° · Europe
Tenants / users
Hyperscale, cloud, government
Notes
21 halls planned at ~3 MW each. West London scale campus next to VIRTUS Hayes.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.