No. If snow collects on the surface of the collector it will melt. The system is designed so that snow will melt from the surface sooner than for the rest of your roof.

Although they are at their maximum efficiency on a bright day, they will still perform very well on cloudy days.

Ideally the panels should be situated on a south-facing roof, although south-east/south-west is also acceptable, at an elevation of between 30 and 40°, although even a flat roof can be efficient. The panels can be attached to an existing roof or integrated into a new roof.

The lifespan of a photovoltaic system is usually in excess of 20 years, with very little maintenance required over that time.

This is a difficult question to answer as it depends on many factors inclusing the size of your house, the demand for electricity in the household etc. As a general rule of thumb a 1.5kw system would produce around one third of your annual electricity requirements.

For the majority of homeowners, adding a solar PV system does not need planning permission as it falls within permitted development rights. This may differ if your property falls within a conservation area, area of outstanding natural beauty, or if your property is listed. If in doubt speak to your local planning authority, or contact us for advice.

The system only produces electricity during hours of light, so the output is directly related to the hours of light during the day.