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19 days ago
YouGen Blog
Will shadow flicker affect a wind planning application?
Posted by Graham Eastwick on 26 February 2010 at 10:20 am
In a recent planning application I was asked to comment on shadow flicker for a very small turbine installation. The turbine in question had a rotor diameter of only 1.7 m.
Shadow flicker is caused by the blades of a wind turbine passing in front of the sun and causing an effect similar to driving under a tree canopy. This can be disturbing if it happens often in a home and can be a problem with larger wind turbines. Small turbines have a much smaller blade and a much higher rotational speed when compared to a larger commercial turbine. For shadow the sun needs to be aligned behind the turbine and at a correct angle. This situation is unlikely to impact any property for more than a few minutes at a time and will only occur on a very few days of the year.
If your planning officer asks for an impact statement then you should be able to prepare a simple statement highlighting the minimal impact and if homes are more than 100m away then there should be no noticeable effects.
Photo by dumbledad
About the author: Graham Eastwick is a director of Encraft, and manages renewable energy installations for home owners, community organisations and small businesses across the UK.
If you have a question about anything in the above blog, please ask it in the comments section below.
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CarlHannaComment left on: 22 August 2020 at 11:52 am