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Achany Extension (formerly Glencassley)
On Monday 23rd May 2023 the Scottish Government Energy Consents Unit approved SSE Renewables Section 36 application for the wind farm extension. A link to the application on the Scottish Government's website is here.
The proposed Achany Extension Wind Farm (formerly known as Glencassley) would be constructed on land adjacent to SSE Renewables’ operational Achany Wind Farm, approximately 4.5kilometres (km) north of the village of Rosehall and 11km north-west of Lairg.
It is anticipated to generate in excess of 80 Megawatts (MW) while Achany’s existing 19 turbines already generate 38MW of renewable energy, meaning the combined capacity could generate in excess of 118MW.
Achany Extension at a glance
Project history
In 2012 SSE submitted an application for a 26-turbine wind farm. This application was subsequently refused by the Scottish Government in 2015 due to impacts on the National Scenic Area and ‘Wild Land’ despite the support of The Highland Council.
With the renewed appetite for onshore wind in Scotland and in the context of the ‘Climate Emergency’, SSE has concluded that this site continues to offer excellent potential for a wind farm.
Achany Extension has not only been redesigned, but relocated a further 2km from previous proposals, closer to the existing wind farms, which also brings operational benefits in managing and maintaining the sites. The reuse of existing site infrastructure has been carefully incorporated into the design, allowing access to the extension through the existing site. A Section 36 application has been submitted and will be determined by the Scottish Government’s Energy Consents Unit.
In December 2021, the Highland Council unanimously agreed to raised ‘no objection’ to Achany Extension, subject to the removal of 2 turbines. Additional Information has been submitted to the Highland Council and the Scottish Government’s Energy Consents Unit, which includes an assessment of any environmental changes or impact that would result from a revised 18 turbine scheme. The Further Information submission is available to view below.
Additional Information – May 2022
The application documents can be found on this webpage, via the links below, or on the Scottish Governments Energy Consent Unit's website here, using application reference number ECU00001930.
- Additional Information - Volume 2 - Cover and Contents
- Additional Information - Volume 2 - Figure 1.1 - Location Plan
- Additional Information - Volume 2 - Figure 2.1 - The Revised Layout
- Additional Information - Volume 2 - Figure 2.1a-d - The Revised Layout
- Additional Information - Volume 2 - Figure 2.2 - The Revised Layout Proposed Changes
- Additional Information - Volume 2 - Figure 3.1 - Revised Layout ZTV and Viewpoint Plan
- Additional Information - Volume 2 - Figure 3.2.1 - 3.2.2 - VP1 A836 above the Crask Inn
- Additional Information - Volume 2 - Figure 3.3.1 - 3.3.2 - VP2 A836 bridge by Dalnessie entrance
- Additional Information - Volume 2 - Figure 3.4.1 - 3.4.2 - VP3 Saval
- Additional Information - Volume 2 - Figure 3.5.1 - 3.5.2 - VP 4 Rhilochan
- Additional Information - Volume 2 - Figure 3.6.1 - 3.6.2 - VP 5 Ben Hee
- Additional Information - Volume 2 - Figure 3.7.1 - 3.7.2 - VP 6 Rosehall
- Additional Information - Volume 2 - Figure 3.8.1 - 3.8.2 - VP 7 High Road
- Additional Information - Volume 2 - Figure 3.9.1 - 3.9.2 - VP 8 A836 - A838 Junction
- Additional Information - Volume 2 - Figure 3.10.1 - 3.10.2 - VP 9 Achnairn caravan and camping site entrance
- Additional Information - Volume 2 - Figure 3.11.1 - 3.11.2 - VP 10 Ben More Assynt
- Additional Information - Volume 2 - Figure 3.12.1 - 3.12.2 - VP 11 Glencassley road to south of Castle
- Additional Information - Volume 2 - Figure 3.13.1 - 3.13.2 - VP 12 Glencassley road by Langwell Hill
- Additional Information - Volume 2 - Figure 3.14.1 - 3.14.2 - VP 13 Ben Klibreck
- Additional Information - Volume 2 - Figure 3.15.1 - 3.15.2 - VP 14 A838 near West Shinness
- Additional Information - Volume 2 - Figure 3.16.1 - 3.16.2 - VP 15 B9176, Struie Viewpoint
- Additional Information - Volume 2 - Figure 3.17.1 - 3.17.2 - VP 16 Minor road at Inveroykel forest access
- Additional Information - Volume 2 - Figure 3.18.1 - 3.18.2 - VP 17 A836 at Allt na Fearna
- Additional Information - Volume 2 - Figure 3.19.1 - 3.19.2 - VP 18 Carn Chuinneag
- Additional Information - Volume 2 - Figure 3.20.1 - 3.20.1 - VP 19 Seana Braigh
- Additional Information - Volume 2 - Figure 3.21.1 - 3.21.2 - VP 20 Cul Mor
- Additional Information - Volume 2 - Figure 3.22.1 - 3.22.2 - VP 21 Meall an Aonaich
- Additional Information - Volume 3 - Cover and Contents
- Additional Information - Volume 3 - Figure 1a-f VP1 A836 above the Crask Inn
- Additional Information - Volume 3 - Figure 2a-f VP 5 Ben Hee
- Additional Information - Volume 3 - Figure 3a-e VP 6 Rosehall
- Additional Information - Volume 3 - Figure 4a-f VP 10 Ben More Assynt
- Additional Information - Volume 3 - Figure 5a-e VP 12 Glencassley road by Langwell Hill
- Additional Information - Volume 3 - Figure 6a-f VP 20 Cul Mor
- Additional Information - Volume 3 - Revised Layout ZTV and Viewpoint Plan
- Additional Information - Volume 4 - Appendices Front Cover and Contents
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.1 - Site Layout
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.2 - Drift Geology
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.3 - Solid Geology
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.4 - Carbon and Peatland
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.5 - Peat Depth
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.6A-C - Peat Depth
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.6D-F - Peat Depth
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.7A-C - Slopes on Site
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.7D-F - Slopes on Site
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.8A-F - Risk Coefficient
- Additional Information - Volume 4 - Appendix A - FIGURE 11.2.9A-B - Site Geomorphology
- Additional Information - Volume 4 - Appendix A - Updated Peat Slide Risk Assessment
- Additional Information - Volume 4 - Appendix B - Carbon Calculator
Environmental Impact Assessment Documents
The application documents can be found on this webpage, via the links below, or on the Scottish Governments Energy Consent Unit's website here, using application reference number ECU00001930.
Volume 2 - Main Report Front Cover, Contents and Glossary
Volume 2 - Main Report - Preface
Volume 2 - Main Report - Chapter 1 - Introduction
Volume 2 - Main Report - Chapter 2 - Site Selection and Design Evolution
Volume 2 - Main Report - Chapter 3 - Description of Development
Volume 2 - Main Report - Chapter 4 - EIA Process and Methodology
Volume 2 - Main Report - Chapter 5 - Scoping and Consultation
Volume 2 - Main Report - Chapter 6 - Planning
Volume 2 - Main Report - Chapter 7 - Landscape and Visual Amenity
Volume 2 - Main Report - Chapter 8 - Ecology
Volume 2 - Main Report - Chapter 9 - Ornithology
Volume 2 - Main Report - Chapter 10 - Hydrology
Volume 2 - Main Report - Chapter 11 - Geology and Carbon Balance
Volume 2 - Main Report - Chapter 12 - Cultural Heritage
Volume 2 - Main Report - Chapter 13 - Traffic and Transport
Volume 2 - Main Report - Chapter 14 - Socioeconomic Recreation and Tourism
Volume 2 - Main Report - Chapter 15 - Noise
Volume 2 - Main Report - Chapter 16 - Aviation
Volume 2 - Main Report - Chapter 17 - Other Issues
Volume 2 - Main Report - Chapter 18 - Schedule of Mitigation
Exhibition Boards
Scoping Documents
- Scoping Refresh (Achany Extension) - November 2020
- Figure 1 - Site Location Plan
- Figure 2 - Proposed Development Area
- Figure 3 - Indicative Site Layout (Scoping Refresh)
- Figure 4 - Zone of Theoretical Visibility
- Appendix A - Glencassley Scoping Report - August 2019
- Appendix B - Glencassley Wind Farm - 2019 Scoping Opinion
- Appendix C - Updated Viewpoint List
The Achany Community Fund
Through our existing 38MW Achany Wind Farm we make around £100,000 per year available for community and charitable causes. Between 2010 and 2034 we expect to invest £2.9 million in local projects.
An additional £19,000 per year is also made available to support the Kyle of Sutherland Apprenticeship Scheme.
You can learn more about the Achany Community Fund, eligibility and how to apply here.
The proposed Achany Extension will also include a community fund which would be granted locally and across The Highland Council area through the already well-established SSE Renewables’ community investment programme. This will be in line with SSE Renewables' current policy of £5,000 per MW for new onshore wind projects.
Contact us
If you have any queries or wish to speak with the project team, please contact:
Eilidh Edgar, Stakeholder Engagement Manager
Email: [email protected]
Phone: 07879992917