I have been trying to understand how pvoutput calculates your current ROI position in the mouseover - the figures don’t look right to me but I don’t know enough yet to figure out how to change this (or if it can be changed).
I’m currently generating power from PV and a chunk of that goes into charging the battery. I’m using two feeds from our Envoy - one as ‘Solar’ and the other as ‘Consumption’.
I’m assuming what happens is that pvoutput assumes that consumption all comes from the grid rather than partially from the grid ?
As such it seems to do a calculation that is X is generated, Y is exported and Z is consumed. X is larger than Z but Z is larger than Y.
As the feed in tariff here is $0.11 and the consumption tariff is $0.24 it shows a net loss. However a large chunk of that energy being consumed (almost all of it) is not in fact imported.
What am I missing or how should this be reconfigured to more accurately reflect that ?