A 40 inch diameter 238 km gas pipeline providing a strategic link between the UK and continental Europe, connecting the two gas transmission systems at Bacton in the UK and Zeebrugge in Belgium.

The Interconnector is bi-directional, such that the physical Flow Direction can either be from Bacton to Zeebrugge (Forward Flow) or from Zeebrugge to Bacton (Reverse Flow).

It has a capacity of 20 bcma in forward flow (GB to Belgium)and 25.5 bcm in reverse flow (B to GB).

The Third Package defines an interconnector as a transmission line which crosses or spans a border between member states for the sole purpose of connecting the national transmission systems of those member states.