Please note that the Long Term Exit application window opened on 1st July 2026. This window will consist of:

• Enduring annual exit (flat) capacity increase (EAFLEC) – for enduring capacity commencing from Y+4 to Y+6
• Enduring annual exit (flat) capacity decrease (EAFLEC) – allowing users to reduce capacity from Y+1
• Annual NTS (flat) exit capacity (AFLEC) – for capacity covering Y+1 to Y+3
   

For more information, please refer to our Invitation Letter published on the Joint Office website here: https://www.gasgovernance.co.uk/annualauctions/2026

Please note that the 2026 Quarterly System Entry Capacity (QSEC) Auction Allocation Results have now been published.

The allocation results of the auction can be viewed here.

Please note that we have now issued an Early Closure Letter for QSEC 2026.

Please note that the Interim Bid Window 2 has now closed for the 2026 Quarterly System Entry Capacity (QSEC) auction.

The results of the auction can be viewed here.

Please note that the Interim Bid Window 1 has now closed for the 2026 Quarterly System Entry Capacity (QSEC) auction.

The results of the auction can be viewed here.

Please note that the 2026 Quarterly System Entry Capacity (QSEC) auction will open on Monday 2nd March 2026 at 08:00.

For more information, please view our QSEC Presentation pack. The auction invitation can be located on the Joint Office website.

Please note that the 2026 Annual Monthly System Entry Capacity (AMSEC) auction has now officially closed.

The results for all four tranches can be viewed by clicking here

Please note that the Enduring Annual Exit (flat) capacity (EAFLEC) and Annual NTS (flat) Exit Capacity (AFLEC) auctions have been processed.

Information for these auctions is available on our Data Portal at https://data.nationalgas.com/ 

EAFLEC: For request results (increase & decrease), please see the Enduring Annual Increase/Decrease Application Summary reports.

AFLEC: For auction results, please see the Annual Sold/Unsold Quantity report.

Please note that the IP Annual Yearly Auction (Capacity period 2025-2040) has now been closed and allocated.