I’m in the US, with a 3.68kW solar array. This hits an inverter, then feeds into my panel using a 2-pole 20-amp breaker. I have a 20-amp CT sensor on each leg of this circuit (black and red wires) feeding into an emonTX (ports 3 & 4). I have updated the scale factor in emonhub to 0.267 as referenced on the shop page for the 20-amp sensor.
When I look at the inverter, it’s currently showing 90 watts for the power out. EmonCMS sees about 50 watts (the 2 inputs are currently 26 & 25). Vrms on the EmonTX is currently 114, and the DIP switch is set for USA.
I also have 2x 200-amp CT sensors on my main feeds from the utility, feeding into ports 1 & 2 on the emonTX. The wattage there is correct within a couple percent.
Any thoughts why would I see this mismatch?