- Location
- Rogershill Farm, Dorset
- Sectors
- Energy & Infrastructure
The planning challenge
Repowering an established wind-energy site at Rogershill Farm offered the opportunity to substantially increase renewable generation while reusing existing infrastructure.
The proposal would replace a 500kW turbine, approximately 59m to blade tip, with a 2MW turbine reaching 125m. Our task was to assess how this increase in scale would affect the surrounding Dorset landscape, including views from the nearby Dorset National Landscape.
Building the evidence
Appointed by DistGen, ONE prepared the Landscape and Visual Impact Appraisal to support the planning application. We combined landscape-character and policy review with field survey, visibility mapping and assessment of representative viewpoints.
The existing turbine formed an important part of the baseline. We assessed the additional effects of the replacement turbine’s greater height and rotor diameter, considering views from settlements, elevated landscapes and recreational routes.
Understanding the effects
The assessment identified where the replacement turbine’s effects would be most apparent, and where distance, landform and vegetation would limit visibility.
This evidence informed refinement of the turbine position and provided a clear basis for considering the landscape and visual effects alongside the project’s renewable-energy benefits.
Supporting the planning decision
The appraisal provided a clear evidence base for the planning application. Estimated annual generation would increase from approximately 800MWh to 6,000MWh—enough to supply around 1,300 homes.
Planning permission for the repowering scheme was secured in April 2026.
Project Highlights
- Renewable energy
- Established wind-turbine site
- 500kW to 2MW repowering
- Approximately 59m to 125m blade-tip height
- Landscape and Visual Impact Appraisal
- ZTV and representative viewpoints
- Dorset National Landscape setting
- Planning permission secured in April 2026
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