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Shadow Flicker

Whilst it is possible to predict periods when shadow flicker could theoretically occur using industry standard software packages, there are no guidelines in the United Kingdom to quantify what levels (if any) are acceptable.

James Mackay

Director of Environment & Engineering
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What is shadow flicker?

Under certain conditions moving shadows cast by wind turbine blades can pass over windows in a building. To people within that building, those shadows can appear to flick on and off; this effect is known as ‘shadow flicker’. The moving shadows can also be seen passing across the ground, which can be considered as ‘shadow throw’.

TNEI’s shadow flicker services

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