March 28, 2023

In 2022, the full power utilized by the Automated House was 15.087 MWh (a mean of 41 kWh / day). That’s a 7.3% discount on final yr, partly as a result of shedding 2 of our ‘lodgers’.

Slightly below one third of that complete was utilized by our air supply warmth pump, for area heating and sizzling water (4.83 MWh). This was the primary full yr the place we have been in a position to benefit from the work the boffins at Epitome Residing had finished final Spring to make sure our Loxone constructing administration system retains the warmth pump biased to run in the course of the early hours.

We additionally continued to make use of the Delayed Begin operate on our Siemens home equipment to run the dishwasher and washer in a single day, in addition to utilizing the on-board timer to cost the EV then too.

That allowed us to maneuver extra of our power consumption into the cheaper night time charge, growing the general proportion used on the Financial system 7 tariff considerably, going from 35.9% in 2021 to 44.2% in 2022.


By way of prices, the electrical energy unit worth will increase have been offset by the modifications above, together with the federal government’s Power Value Assure scheme, which gave us entry to an unimaginable 1.5p night time charge in November and December. All meaning our £2,225 annual electrical energy invoice is 2.1% decrease than the earlier yr and we’re now utilizing nearly one quarter (26%) of the power we utilized in our earlier home.

Keep in mind, we don’t burn something, we purchase no gasoline, heating oil, coal, wooden, petrol or diesel. In order that £186 (common) is our single month-to-month invoice for all our heating and sizzling water, all our cooking and washing, all our lighting and leisure plus our ‘gas’ for one of many Electrical vehicles.

You’ll be able to learn all the main points on our system from this complete put up from final yr.