Reduced power redundancy Welwyn Garden City Data Centre

Incident Report for BE

Resolved

The UKPN has rectified the fault and restored the GT-2 A Feeder.
- The site team has confirmed that the power has been reinstated on A Feeder.
- Both utility power supply feeders (A & B) are available and supporting the load as per design.
- Generator system is available on standby mode.
- All systems are functioning as expected.
Posted Feb 19, 2025 - 09:08 GMT

Monitoring

UKPN have replaced damaged insulators to complete repairs to the high-voltage infrastructure. Subject to successful testing of the infrastructure, the GT-2 A Feeder should be restored by Friday, 21st February
- The utility GT-1 B feeder is operational and currently supporting both A and B feeds to the data halls
- The generator systems are fully operational and on standby
- The site team is actively monitoring the situation and will provide timely updates as developments occur
Posted Feb 17, 2025 - 11:36 GMT

Update

No change since last update:
- The UKPN investigation has been completed
- UKPN plans to commence repairs to the damaged infrastructure this weekend (February 15th–16th), but no completion date is available at this time
- The utility GT-1 B feeder is operational and currently supporting both A and B feeds to the data halls
- The generator systems are fully operational and on standby
- The site team is actively monitoring the situation and will provide timely updates as developments occur
Posted Feb 14, 2025 - 13:47 GMT

Update

COLT & UKPN are still working to rectify the issue.
Posted Jan 20, 2025 - 09:50 GMT

Identified

UKPN, the utility supplier, observed a fire at their substation and confirmed that it was caused by the HV line of the GT-2 A power feed

- The WGC Tech team confirmed that the UKPN supplier will take approximately 7–10 days to rectify the fault.
- GT-1 B feed utility power is available and supports both A and B Power feeds
- The Data Hall power supply is stable and available on both feeds.
- The Backup generator system is available in standby mode
- The site team is closely monitoring the situation and will provide further updates, as necessary
Posted Jan 13, 2025 - 11:29 GMT
This incident affected: Facilities (DC2 - Welwyn Garden City).