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Heat Pump - KwZ usage through the roof
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We have similar floor area (174sqm) and just scrape a B EPC (extended 30s semi).
When we heated with gas (high efficiency condensing boiler with weather comp) we used about 20Mwh per year just for heat and hot water. WE are big users of hot water, currently we use immersion and about 20kh per day year round, so probably 13mwh for heat to about 21c for the whole house.
WE are now doing heating with a very inefficient heat pump set up and using about 44kwh on a 1c day, probably would have been about 120kwh of gas. Overall we will use about 20mwh of electricity a year, 7Mwh for hot water, 4Mwh for heating, 5Mwh for EV miles leaving 4Mwh for everything else.
Reason our bills are not mad is that we have a TOU tariff and V2H using up to 100kwh of car battery for time shifting.I think....0
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