Hi @Paul49 We used to have our HWS on CL too, even after solar put on for about 12 months (we since changed this).Where as previous to solar on old analogue meters, we had J tariff timed for off peak which was close to midnight to around 0600 (might have been 2330 - 0530), as this was the cheapest rate then for analogue metering.After the switch, our CL meter with just the HWS on it, was coming on 1000 - 1500, as this is the TOU period that is cheaper than the old off peak early morn.So yes, it ...