Can putting Solar panels on your house save you money?
Quick answer is YES.
Can they pay back what they cost in a reasonable time?
Well, this isn't as straight forward. This depends on how much energy you use and how much cost per unit it is. Having a 4kw system on the house it took around 7 years to pay for itself, and energy costs was around 16p per kwH. Things have changed since having the panels installed. Cost of electric is over double what it was. Also any...