This Advertising Guidance provides advice to marketers who make marketing claims about wind turbines, wind energy developments (or wind farms), on how they can make complex claims about the efficiency of wind turbines and the likely impact of a development on the local area.  The guidance covers technical claims about features such as an installation’s generation capacity, the capacity or load factor, and claims about emissions reduction and environmental impact. It also provides advice on claims about the projected impact of developments, such as the number of homes a development could power, whether it would supply these homes directly, and the effect of such facilities on house prices, public health and tourism. It also provides detailed guidance on the types of graphics and visual representations that may be used in ads for wind energy developments.



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