You are generating more electricity that your requirement you can sell back the electricity to the power grid and they pay your for it. These payments are tax free and are attracting a lot of people to a greener future with solar energy.
Just be careful on those days and use as little as possible. You should position the solar panels Edinburgh in such a way that they get maximum sunlight possible.
Most of the Solar Scotland houses have the panels fixed on their terraces. The fact that Scotland gets mild sunlight makes it ample for the solar energy projects as there will be no cases of overheating.