ASH undertook environmental studies for the Strath Halladale to Dallangwell overhead line

ASH was commissioned by Scottish Hydro Electric Transmission plc (SHE Transmission) to undertake and co-ordinate environmental studies for an overhead line connection between the consented Strathy North Wind Farm and the National Grid.

Key Tasks

Route options appraisal

Screening and Scoping

EIA coordination and project management

Landscape and visual impact assessment

Stakeholder consultation

Environmental monitoring during construction

What we did

Consent for construction of the proposed overhead line was sought by way of an application to the Scottish Ministers under section 37 of the Electricity Act (1989). Following a screening request, it was determined that the project was not considered ‘EIA Development’. Nevertheless, an Environmental Appraisal was carried out to identify any potentially significant impacts on the environment.

As part of the design development process, a number of design and route options were explored by ASH and SHE Transmission to identify a route which is technically and economically feasible whilst minimising potential environmental impacts. The focus of this approach was to avoid a number of environmentally designated sites within the vicinity of the development.

ASH project managed a team of specialist consultants to undertake ecological, ornithological, hydrological and archaeological surveys and assessments, and was responsible for the landscape and visual impact assessment of the proposed overhead line.

An application for the connection was submitted to Scottish Ministers in September 2013, accompanied by the Environmental Appraisal prepared by ASH. Construction of the overhead line commenced in 2014 and was completed in 2015.


Find out more

We’re always happy to answer your questions. If you’d like to find out more about the services we can offer for your project, you can email us on or call 0141 227 3388.