NTT Hemel Hempstead 4
NTT GDC · Hemel Hempstead
- IT live
- 14 MW
- Free to lease
- 1.4 MW
- $ / kW·mo
- $167
- White space
- 70k ft²
Inventory
90% occupiedPower
14 MWlive
1.4 MW to lease · 12.6 MW in use
White space
70k ft²total
7,000 ft² free · 63k ft² occupied
6,503 m² · 650 m² free
Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.
Power
About 3.5 MW of the utility feed is cooling, conversion, and house load.
Power cost
$167/kW·mo
18.4¢ industrial · 22.8¢ after PUE 1.24
- Per MW·year
- $2M
- This site · 14 MW
- $28M/yr
- 15 kW rack
- $2,498/mo
5.7× the cheapest market (Iceland Landsvirkjun). Same IT load there is $23M/yr less.
England industrial · utility tariff × PUE, not colo list price.
- Redundancy
- N+1
- Opened
- 2019
- Renewable match
- 80%
- Rack density
- 15 kW
- PUE
- 1.241.00 ideal · 1.60 typical
- Power source
- UK Power Networks plus operator renewable PPAs. Dual utility feeds.
Cooling
Plant
Hybrid
Liquid
Deployed
Rack density
15 kW
H100-eq
—
WUE
0.72 L/kWh
fleet avg · 2024 · 88k m³/yr at 14 MW
Operator fleet average applied to this hall — not a site meter. NTT DATA GDC 2025 Sustainability Report (FY2024).
Hybrid CRAH plus CDU-fed direct-to-chip loops for high-density AI cabinets.
Network carriers
7On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.
Clouds
5Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.
Location
Hemel Hempstead, England, United Kingdom
Hemel Hempstead, Hertfordshire
51.758°, -0.466° · Europe
Tenants / users
Hyperscale, cloud
Notes
Newer Hemel hall. Combined Hemel campus is NTT's densest UK cluster after Dagenham.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.