As well as waiting for the new inverters, it’s clear that we can prevent a lot of shading by trimming a few of the trees.
So our friendly tree surgeons came in and cutting a few laterals opened up a surprising amount of sky.
We’ll start measuring the impact in conjunction with the new inverters in August.
To be sure that we are saving our 10% as part of the 10:10 campaign, we will have to factor in our total electricity use which is in any case too high. It looks as though the new PV will save us about 20%, but only for the second half of the year. And to reduce our emissions overall we will have to keeping looking at our other energy uses like the mileage on the Prius.