Interruptible Forward Flow

Interruptible Forward Flow (IFF) is transmission capacity from the Netherlands to the UK that is only available for booking when all Forward Flow capacity has been sold. IFF is not firm guaranteed and  may be interrupted when firm forward flow capacity is nominated.


  • Sold via auctions on the PRISMA platform
  • Non-guaranteed interruptible capacity
  • Only available when all Forward Flow capacity has been sold

Registered shippers can book Interruptible Forward Flow via the PRISMA platform. For further details please consult our Booking Procedure. BBL is happy to register new shippers. To ensure smooth and timely co-operation, interested parties should follow the procedure described on the Become a BBL shipper page.

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