Bundy, electricity grids are overloaded by the power being transmitted this instant (proportional to solar intensity as PV panels respond to intensity)with the daily sum amount of electricity being transmitted being irrelevant.
A day of minimal load will still have a grid failure if everyone in the SWIS switches on their kettle and flushes the loo in the two minutes after the Royal Wedding "I do" moment.
GOE Price at posting:
12.5¢ Sentiment: Hold Disclosure: Held