Question

To ask the Secretary of State for Energy and Climate Change, what assessment her Department has made of the probability of the UK not being able to rely on electricity interconnectors to the continent as in previous years because of French and Belgian supply being limited until 2020 due to the closure of old fossil fuel plant and nuclear reactors in those countries.

National Grid makes an assessment of the extent to which all GB interconnectors can be relied upon at times of system stress. This is based on an assessment of European markets. In recent years we have, in fact, observed increased efficiency of the interconnectors and imports to the UK system at times of peak demand. As market coupling is further implemented, we expect this to continue. This is assessed on an annual basis to take into account any changing market dynamics. For this winter, forward power prices suggest net imports to GB over interconnectors with continental Europe.

Beyond these market arrangements, should GB need additional support, it is also possible for National Grid as the System Operator to call upon interconnectors at a time of system stress.