Even in the UK with a massive government tax break our set of panels will take 8 or so years to break even - and we have an almost perfect south facing roof.
Makes sense if you own the property and have the spare cash to take the free money (8% yield tax free) - though the UK government is reducing the subsidy
For the north american audience, it's worth pointing out that the UK is as northerly as Canada, so its not ideal for solar, though it does have a part to play I think.
Makes sense if you own the property and have the spare cash to take the free money (8% yield tax free) - though the UK government is reducing the subsidy