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Confusing power consumption data


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I’m confused by the data that my Shelly 1PM’s are giving me. 

Today we have used around 36kWh of electricity, the vast majority on the Octopus 5p rate between 00:30 and 04:30 as you can see from the images below. 





The bulk of that consumption was the Sunamp:




and the Willis heater:



According to the Shelly app the Sunamp consumed 13.32kWh but the Willis heater consumed 14Wh. I’m assuming the 14Wh should be 14kWh.

Does anyone know why this isn’t showing correctly or is something else afoot?


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If all the numbers, rather than the units, add up, then probably a twat programmer doing the user interface.

Had one do one for for a mate, did the classic kW/h on the y-axis. No matter how much we tried to convince him it was wrong, he would not accept it as his mistake.


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@SteamyTea yep, the numbers sort of add up, the missing bits are the unmonitored towel rails and electric UFH in the bathrooms. 

2 minutes ago, SteamyTea said:

probably a twat programmer

I would have thought the same person/computer programmed both Shelly’s. 

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