Raspberry Pi to measure solar kilowatts and turn on the immersion heater when there's surplus
Afternoon George, i have been doing this for 11 years now and have 5 houses running on system, Which sums the power generated against the power consumption of the house. The excess is proportionally fed into the immersion tank, most days my tank is hot by 11 and stays hot all day, its a large couple of hundred litre tank, You can buy commercial systems but i am an engineer, so made my own one when commercially they weren't available. I monitor all the data and send it to any device in my house that can access the wifi. I have a digital meter so i cant turn it backwards anymore. ead some of the comments, and yes you can buy cheep units, some of which i have seen in a pile of ash, after decent storm and brown outs.
read more and respond »Posted 1 year ago by Mark in UK Do-It-Yourself Forum
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