You ought to check your facts first.
Factor Why it's cheap Wholesale Cost Massive surplus of wind and nuclear power at 3:00 AM.
Grid Balancing It's cheaper for the grid to "pay" you to use power than to fix an overloaded system. Tech Integration Octopus uses your EV as a tool to help balance the UK's energy supply. Cross-Subsidy The higher daytime rate helps offset the rock-bottom night rate.
Tim
--