For a lot of Milton Keynes homes, yes, and the reason is the housing itself. The estates built from the 1970s onwards tend to have wide, shallow, largely unshaded roofs, which is close to the ideal shape for panels. The newer developments around the edges of the city are better again. That is a much easier starting point than a small steep Victorian roof with a chimney in the middle of it.
The answer is not always yes though. A heavily shaded roof, a north-facing one or a household that is out all day and uses very little power at home can all make the numbers marginal. John surveys the roof, looks at what your house actually uses and when, and shows you realistic figures. If solar will not pay on your roof he will tell you that, which is cheaper for you than finding out afterwards.
MK roofs suit it
Wide, shallow and mostly unshaded is what panels want, and most of the city has exactly that.
A battery changes the sums
Most generation happens while you are out. Storage moves it to when you are home.
Export payments
MCS certification is what lets your supplier pay you for the power you send back.
Your questions, answered
When is solar not worth it?
Heavy shade from trees or a neighbouring building, a north-facing main roof or a very small usable area. Those are the honest no answers, and John will give you one rather than sell you a system that never pays for itself.
Do I need a battery to make it worth it?
Not always, but it usually improves the numbers a lot, because otherwise you export most of what you make in the middle of the day for very little. John will show you the figures with and without.
How long before it pays for itself?
That depends on your roof, your usage, your tariff and whether you add storage, so any general number you read online is close to meaningless. You get figures worked out for your own house after the survey.
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