Operational data
IT system updates
All of the latest news on our operational IT systems impacting our customers. Any upcoming outages can be found below.
Upcoming System Outage - Thursday 15th May 2025
01/05/25
Please be aware that there will be the following upcoming system outage taking place on Thursday 15th May 2025 (between 16:00 – 19:15) which will affect some elements of Operational data displayed through National Gas Data portal.
Affected GCS data flows to National Gas data portal and GMRS are as follows:
Gas Data Portal
- PCLP data (Published via ANS at 17:05 if required).
- Forecast Flows (Supply).
- Physical Flows (Supply).
GMRS
Physical Flows (Supply) - Outage takes last known good value for the duration.