I’ve been bitten by the ‘how much electricity am I using?’ bug recently – prompted by looking at my 6-monthly statement from my current electricity supplier. $work happens to have a utilities component to it, so I asked if I could borrow one of our in-the-house whole-house electricity monitors to see if an offer for electricity service made any sense (vs my current supply).
The hookup is fairly easy – insert two batteries into the device, open the meter cabinet outside, and clamp an inductance sensor around the live tail going to the consumer unit. Then power up the inside metering device, pair the two devices up, and get an instant reading as to how much juice the house is consuming.
So, what did I find out?
