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
  • Virtual, administrative flow
  • Non-guaranteed capacity
  • Flows from UK to NL
  • Netted off from physical forward flow
  • Quarterly, monthly, daily basis
  • Sold in units of 1 kWh/h

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.

Do you see opportunities?

Become a BBL shipper

TTF & NBP prices trendline

TTF: Dutch TTF Daily GasFutures (source IceEndex)
NBP: UK Natural Gas Daily Futures (source IceEndex)


  • BBL Company
  • P.O. Box 225
  • 9700 AE Groningen
  • The Netherlands
  • Concourslaan 17

Featured customers

See our customer list