In scientific terms, (solar) photovoltaic is the transmutation of atom particles from light to electricity.
In simpler terms, natural daylight is absorbed by PV panels installed on your roof, the panels turn the daylight into electricity which is then passed to a box, known as an inverter – normally installed in your loft.
The inverter’s job is to convert the electricity produced by the panels from DC (direct current) into AC (alternating current) so that it is usable by your home – which runs off AC current, as opposed to DC.
The solar panels are installed on a mounting frame which is around 2 inches above the roof line – so there is no weight bearing directly on the tiles/slates. There are also no holes drilled into your roof, so there’s no risk of leaks later on.
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South facing 35 degree pitch is the ideal scenario of the UK, however an east facing roof with a 20 degree slop will only lose 15% so as long as the roof faces at least 90 degrees from south and the angle of the roof is between 10 and 45 degrees it will more than likely be viable.
This depends on a lot of factors such as usage, electric tariff rate and solar system yield. But as a guide, a 4kw system will save an average house holder £300 to £400 per year.
If your electric car is plugged in when the solar is generating you can offset a lot of mains electricity by doing this. Hybrid cars with smaller batteries and lower charge currents can be easily charged by 100% solar on a reasonably sunny day.
If you have an immersion heater, a water diverter switch can be a cost effective product that you can easily add and generally pays back in approx. 2 – 3 years. Battery storage can also be easily added to maximise the savings of your system.
For a solar pv system to be viable we recommend you require at least 10 panels. For this you require a roof space of 20m2.
No. As long as your property isn’t listed, and you’re not in a conservation area, planning permission is not required.
None! Solar is a ‘fit and forget’ technology. Simply install and enjoy the benefits for 25 years+