On Tue, 01 Dec 2020 10:30:18 +0000, Andy Bennet wrote:

On 01/12/2020 08:56, jon wrote:
Overnight electricity used 29kWh @ 8.863p/kWh = £2.57027

Storage Heat 1 2.0kW Storage Heater 2 3.0kW Water Heater Top
3.0kW Water Temp 50C Water Heater Bottom 3.0kW Only for Boost Large
Freezer 1.2kW Averaged over 24hrs Large Fridge 0.8kW
Averaged over 24hrs


I would swop over your top and bottom heaters, you only want to heat the
top for boost.


Manual boost is not used during the night, so is not counted in used kWhs.