Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, what assessment his Department has made of the potential impact of renewable energy output variability on the total generation capacity of renewable energy required to meet UK demand.

The capacity ranges for renewable electricity set out in the Clean Power 2030 Action Plan (115-127GW of total wind and solar) account for variability in output and are based on analysis by NESO and internal DESNZ modelling. As the Clean Power Action plan shows, we expect to have renewable capacity alongside a mix of generation technologies, including nuclear, low carbon dispatchable power, energy storage, interconnectors, consumer-led flexibility, and some unabated gas capacity to ensure security of power supplies.