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Browse blog entries by tag: shading

Optimising solar pv siting

Posted by Graham Eastwick on 28th January 2009 at 8:34 am

Optimising solar pv siting

It’s obvious that solar PV systems need as much sunlight as possible – so the ideal is to position them at about 37 degrees to the horizontal (in the UK) and facing due South. Even better, if you can afford one, are tracker systems that ensure the modules follow the sun through the sky – altho…

Posted in: Solar electricity


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Is my roof too shaded for solar PV panels?

Posted by Chris Rudge on 14th January 2010 at 7:10 am

Is my roof too shaded for solar PV panels?

If you are thinking of having a solar electricity  system installed in 2010 to take advantage of the last chances of getting a lump sum grant before the Feed In Tariff starts in April, the first thing to do is look for a good location to install it. Traditionally for domestic Solar PV (photo…

Posted in: Solar electricity


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Shading has more impact on solar PV than orientation or pitch

Posted by Paul Hutchens on 9th March 2011 at 9:15 am

Shading has more impact on solar PV than orientation or pitch

Many of our clients ask about the orientation and pitch of solar panels - it appears that this has been well publicised. However, the effects of orientation and pitch are less than most people think. Moving the orientation from south to south-west, for example, reduces efficiency by less than 5% as …

Posted in: Solar electricity


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