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.

Enquiries

If you have an enquiry about this data, please contact the Gas Operational Liaison Team Monday - Friday, 09:00-16:30.

01926 568 474

Upcoming system outages – Tuesday 12th May 2026 (CHG0053194) & Tuesday 19th May 2026 (CHG0053200)

Please be aware that there will be the following upcoming system outages taking place on Tuesday 12th May 2026 (between 16:00– 19:15) and again on Tuesday 19th May 2026 (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: 

 MIPI 

  • 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.