National Grid ESO forecasts the reduction in the use of CCGT to generate electricty in GB. Why is reality nothing like their forecasts?

Can Vehicle-to-Grid (V2G) storage really provide enough help for GB to be able to deal with variable sources?

Wind regularly fails to achieve National Grid forecasts. Is it possible to plan for a future dependent on wind?

Wind variability is a huge issue in many locations, and particularly in GB. How do the supporters of wind hide this variability?