Our solar panels were installed on 19th November 2011 so we've now had them just over 6 years. In that time they've generated 19261 kWh of electricity which equates to 3210 kWh per year which is pretty good for 3 kWp panels. Our solar panels do face almost due South and have minimal shading so we are in optimum conditions for the best generation.
In that time our panels have also earned £9124 in FIT (UK feed in tariff) payments which have more than covered the installation cost of £8999. The FIT payment actually runs to August 2017 so we still have nearly 1000 kWh of generation to receive FIT payments on.
Is there anything we'd do differently?
Not really. As per the image above it wouldn't have really been worth the panels on the lower roof which would have dragged the overall generation down due to shading unless we had multiple strings or an inverter optimised for shading.
The one thing we would do if we had panels fitted again would be to install pigeon deterrent grills underneath the panels. It seems that they're a perfect home for pigeons who like to use the shelter of the panels to build their nests. It's not just our panels, we've noticed them on many in the area.
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