Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, whether he or his officials have had discussions with (a) National Grid or (b) industry stakeholders relating to vanadium redox flow batteries.

As part of the Department’s Net Zero Innovation Portfolio, officials have discussed Vanadium redox flow batteries. This was in relation to a battery owned by Invinity Energy systems to see if it could deliver long duration storage-enabled power on demand from UK-based solar generation in 2022. The Department has not had other specific discussions on Vanadium redox flow batteries with other parties.