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DC01UK South Mimms Data Center Campus

South Mimms, England, United KingdomEntitled / Permitted
Capacity
250 MW
Planned / design
Lead participant
DC01UK
Developer
Last updated
Aug 27, 2026
Most recent public record update

About DC01UK South Mimms Data Center Campus

DC01UK has planning approval for a major data center campus near South Mimms, Hertfordshire. Equinix acquired the project, whose economic study describes approximately 250 MW of capacity and 400 MVA of reserved power. Equinix, DC01UK is associated with the development in South Mimms, Hertsmere, England, GB. The disclosed development scope includes planning approved; approximately 250 MW design; 400 MVA reserved power; acquired by Equinix. Power and physical infrastructure include reserved grid power and a multi-building campus design. The official Hertsmere economic study describes about 250 MW of project capacity.

Capacity

Planned / design
Operating capacityAn operating IT-capacity figure has not been publicly disclosed.
Design250 MWDesign · DC01UK South Mimms Data Center Campus
Design250 MWDesign · DC01UK South Mimms Data Center Campus

Development

1 phases · 2 milestones
Development programAnnounced Or Preconstruction

Project-wide phase for DC01UK South Mimms Data Center Campus; capacity class is design.

Jan 1, 2026
Equinix DC01UK Hertfordshire development disclosed
Completed
Planning approved; site acquired by Equinix
Forecast

Infrastructure

Electric GridPlanned Or Represented

250 MW

The official Hertsmere economic study describes about 250 MW of project capacity.

Site FacilityPlanned Or Represented

Reserved grid power and a multi-building campus design.

Project map

0 of 1 project point mapped
Infrastructure facts
2
Mapped records
1
Capacity figures
1

No map point available

Power & interconnection: 1Site systems: 1

Facts & sources

Published claims and their source links.

12 facts
Location Context
DC01UK site | South Mimms | Hertfordshire | United Kingdom
Actual
Lifecycle Status
Permitted
Actual
Reported Capacity
250 MW
Design
Capacity Basis
The official Hertsmere economic study describes about 250 MW of project capacity.
Actual
Location Context
DC01UK site | South Mimms | Hertfordshire | United Kingdom
Actual
Lifecycle Status
Permitted
Actual
Reported Capacity
250 MW
Design
Capacity Basis
The official Hertsmere economic study describes about 250 MW of project capacity.
Actual
Development Scale
Planning approved
Actual
Development Milestone
Approximately 250 MW design
Actual
Power Arrangement
400 MVA reserved power
Actual
Site Configuration
Acquired by Equinix.
Actual