The effeciency of home solar panels in Derbyshire is effected by a number of factors. The most significant being Derbyshire's geographical location, local weather patterns, and the attributes of the individual property which will include roof orientaion and pitch.
Whilst considering that solar panels in the North of England will, on average, achieve approximately 86.2% of the efficency of those in the very South West of England , Derbyshire's solar panel efficency will exceed these average figures due to the climate characteristics of most of the Derbyshire area.
Also note that Derbyshire's solar panel installations cash returns should exceed the figures estimated in our feed in tariff calculator.