Draft PPS18: Renewable Energy
Annex 1 Wind Energy Landscape and Visual Impact: Visual Assessment
A64. There are a number of techniques which may be used to inform visual assessment of a proposed development:
- a zone of theoretical visibility map will show where a wind farm may be seen from;
- viewpoint analysis based on key viewpoints throughout the surrounding area;
- computer generated wireline diagrams will indicate how wind turbines will appear from specific viewpoints; and
- photo- and video montages are images whereby an impression of a proposed development is superimposed upon an actual photograph or video of the proposed site.
All of these have strengths and limitations.
A65. In comparison with other, well-established, forms of development in the countryside, wind turbines are relatively unfamiliar, prominently vertical and have the significant characteristic of movement. Individually or in groups, they will be distinctive features in the landscape. The visual impact of wind turbines must be assessed with these characteristics clearly in mind.