Now it’s not always this cheap, between 4pm and 7pm it’s usually around 30-40p. When we have a storm with high winds that’s when it goes crazy low as they have to pay the windfarm to trim the turbines if there’s not enough demand hence negative pricing.
As long as you can minimise usage 4-7 you’ll be golden. Ignore the IHD pricing info that’s always wrong as it can’t cope.
Octopus watch and Octopus Compare are the best apps. The Octopus app with a Home mini is useful to so you can get live power draw readings every 10 seconds no matter where you are