Interruptible Reverse Flow

Interruptible Reverse Flow (IRF) offers non-guaranteed capacity from the UK to the Netherlands. It is a virtual, administrative flow netted off from the physical forward flow from the Netherlands to the UK, meaning it can only be allocated when Forward Flow capacity has been nominated.


  • Sold via auctions on the PRISMA platform
  • Virtual, administrative flow
  • Non-guaranteed capacity
  • Flows from UK to NL

Interruptible Reverse Flow is sold for a period of quarter, a month or a day. Further details are give in the IRF Auction Procedure, Exhibit C. To become a registered shipper, please refer to the Become a BBL shipper page.

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