Notification History

Impacted time period

Tuesday 23rd June 2026 at 9:51am to Wednesday 24th June 2026 at 1:00pm

Additional unavailability to ATW_1249

Failure

Unavailable Capacity
0.4216TWh
Available Capacity
1.8554TWh
Technical Capacity
3.4686TWh
Further Information

Scheduled time period

Thursday 22nd October 2026 at 8:00am to Thursday 22nd October 2026 at 6:00pm

Gas Analyser Calibrations

Unavailable Capacity
0.6477TWh
Available Capacity
0TWh
Technical Capacity
0.6477TWh
Further Information

Scheduled time period

Wednesday 21st October 2026 at 8:00am to Wednesday 21st October 2026 at 6:00pm

Gas Analyser Calibrations

Unavailable Capacity
0.6477TWh
Available Capacity
0TWh
Technical Capacity
0.6477TWh
Further Information

Scheduled time period

Tuesday 20th October 2026 at 8:00am to Tuesday 20th October 2026 at 6:00pm

Gas Analyser Calibrations

Unavailable Capacity
0.6477TWh
Available Capacity
0TWh
Technical Capacity
0.6477TWh
Further Information

Scheduled time period

Thursday 24th September 2026 at 8:00am to Thursday 24th September 2026 at 6:00pm

Fiscal Meter Validations

Unavailable Capacity
0.6477TWh
Available Capacity
0TWh
Technical Capacity
0.6477TWh
Further Information

Scheduled time period

Wednesday 23rd September 2026 at 8:00am to Wednesday 23rd September 2026 at 6:00pm

Fiscal Meter Validations

Unavailable Capacity
0.6477TWh
Available Capacity
0TWh
Technical Capacity
0.6477TWh
Further Information

Scheduled time period

Tuesday 22nd September 2026 at 8:00am to Tuesday 22nd September 2026 at 6:00pm

Fiscal Meter Validations

Unavailable Capacity
0.6477TWh
Available Capacity
0TWh
Technical Capacity
0.6477TWh
Further Information

Scheduled time period

Monday 21st September 2026 at 8:00am to Monday 21st September 2026 at 6:00pm

Fiscal Meter Validations

Unavailable Capacity
0.6477TWh
Available Capacity
0TWh
Technical Capacity
0.6477TWh
Further Information

Impacted time period

Thursday 18th June 2026 at 2:30am to Friday 19th June 2026 at 6:00pm

Injection Unavailability The start time/date of the event identified in this publication is the time/date on which this operational issue first led to a loss of capacity. However, at that point, based on all known circumstances and applying CESL standard assessment criteria, the loss of capacity was not assessed to be material. Circumstances have now changed and CESL has re-assessed the loss of capacity to be as published in this REMIT market message.

Technical Process Issue

Unavailable Capacity
11.8mcm/d
Available Capacity
0mcm/d
Technical Capacity
11.8mcm/d
Further Information

Impacted time period

Wednesday 17th June 2026 at 9:30pm to Friday 19th June 2026 at 6:00pm

Tolmount Unplanned Outage The start time/date of the event identified in this publication is the time/date on which this operational issue first led to a loss of capacity. However, at that point, based on all known circumstances and applying CESL standard assessment criteria, the loss of capacity was not assessed to be material. Circumstances have now changed and CESL has re-assessed the loss of capacity to be as published in this REMIT market message.

Tolmount Unplanned Outage

Unavailable Capacity
3.6mcm/d
Available Capacity
0mcm/d
Technical Capacity
3.6mcm/d
Further Information

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