Accessing day-ahead and long term capacity services

The IUK Access Agreement (IAA) is the contract where we offer capacity products via auctions on the PRISMA auction platform, implicit allocation, and on occasions, subscription processes published by IUK. The IAA, its associated IUK Access Code (IAC), the contract summary and System User Agreement (SUA) are available here:

The quantity of capacity on offer will vary, depending on availability. We advertise the quantity of capacity available for the auction of standard capacity products on PRISMA and via the implicit allocation mechanism on our website in advance of the offering.

For details on accessing capacity, see our Buy Capacity page.

To purchase IUK Capacity, IUK requires shippers to sign the IAA contract along with the SUA.