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 […]
The first 3 days have been very sunny and have produced a total of 26 kWh. This seems disappointing and doesn’t suggest the system will achieve the promised results over the year.
Clearly shading from the trees is a major factor. The attached montage shows the shadowing against the output (on the main inverter only […]
It seems all solar installation firms are very busy, and it was mid-May before Ardenham could find a slot. On day one scaffolding was erected on the whole length of the south side of the house. The plan was to put the 16 panels on the highest part of the mansard roof. The following day […]
We’ve been thinking about the economics of putting PV panels on the roof, particularly to offset the power requirments of the ground source heat pump, which takes 2.8 kW when it’s running. Although we are getting this electricity from Green Energy who use only renewable sources, it still costs a lot and anyway the capacity […]