31 Jan '11: Will Vooght of Good Energy has written an article on the pros and cons of having PV fitted for free on your roof. This is only likely to be possible if you have a very clean unshaded roof. If you do, and you lack the capital to have it done at your own cost, then this is still a good idea. You will still enjoy a saving in annual electrical bill, will be able to have no worries about maintenance, and will have the comfort of knowing that the installation takes you closer to Carbon Zero, even if the installer company takes most of the Tariff. Your house isn't as big as Ratcliffe power station, but if a thousand houses have PV installations, the effect begins to be quantifiable, as has been happening in Germany where the impact of PV on nice days reduces the power consumption of the conventional electrical producers.
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