© Wood Environment & Infrastructure Solutions UK Limited Appendix 2B Scoping Opinion April 2019 © Wood Environment & Infrastructure Solutions UK Limited April 2019 The Scottish Government Energy Consents Unit Scoping Opinion of behalf of Scottish Ministers under Part 4 of the Electricity Works (Environmental Impact Assessment) (Scotland) Regulations 2017 Stornoway Wind Farm Limited STORNOWAY WIND FARM September 2018 1 Contents 1. Introduction 2. The Scoping Opinion 3. Consultation 4. Site specific issues of interest to the Scottish Ministers 5. Mitigation Measures 6. Process Going Forward Annexes Annex A Consultation List & Responses 2 1. Introduction This Scoping Opinion is issued on behalf of the Scottish Ministers to Stornoway Wind Farm Limited (“the Applicant”) in response to its request dated 19 July 2018 for a Scoping Opinion under The Electricity Works (Environmental Impact Assessment) (Scotland) Regulations 2017, relating to the proposed Stornoway Wind Farm. The request was accompanied by a scoping report. Stornoway Wind Farm proposal (‘the proposed development’) The proposed development would be located approximately 1.5 km west of the town of Stornoway, Isle of Lewis. The relevant Planning Authority will be Comhairle nan Eilean Siar. The proposed development comprises of thirty-three wind turbines. Twenty-four turbines would have a blade tip height of up to 187m and a rotor diameter of up to 164m. The other nine turbines would have a blade tip height of up to 155m and a rotor diameter of 135m In addition to the wind turbines there will be ancillary infrastructure including: Site entrance; Upgrade and construction of internal tracks; Creation of up to seven borrow pits; Construction of a temporary site compound; Batching plants On-site control building and substation; Two permanent anemometry masts; Installation of Battery Storage System. 2. The Scoping Opinion This Scoping Opinion has been adopted following consultation with Comhairle nan Eilean Siar, within whose area the proposed development would be situated. Scottish Natural Heritage, the Scottish Environment Protection Agency and Historic Environment Scotland, were all consulted as statutory consultation bodies along with other bodies which the Scottish Ministers consider likely to have an interest in the proposed development by reason of their specific environmental responsibilities or local and regional competencies. A list of the bodies consulted and their responses (where a response was received) can be found at Annex A to this opinion. The Scottish Ministers adopt this Scoping Opinion having taken into account the information provided by the Applicant in its request dated 19 July 2018 in respect of the specific characteristics of the proposed development and representations received in response to the consultation undertaken. In providing this Scoping Opinion, the Scottish Ministers have had regard to current knowledge and methods of assessment; have taken into account the specific 3 characteristics of the proposed development, the specific characteristics of that type of development and the environmental features likely to be affected. This Scoping Opinion is based on information contained in the Applicant’s written request for a Scoping Opinion and information available at today’s date. The adoption of this Scoping Opinion by the Scottish Ministers does not preclude the Scottish Ministers from requiring of the Applicant information in connection with any Environmental Impact Assessment (EIA) report submitted in connection with its application for section 36 consent for Stornoway Wind Farm. This Scoping Opinion will not prevent the Scottish Ministers from seeking additional information at application stage. Without prejudice to that generality, it is recommended that advice regarding the requirement for an additional Scoping Opinion is sought from the Scottish Ministers in the event that no application has been submitted within 12 months of the date of this opinion. 3. Consultation Prior to the scoping report being sent out for consultation, a list of consultees was agreed by the Applicant and the Energy Consents Unit. For a list of respondents and copies of their responses, see Annex A. Each should be read in full for detailed requirements from individual consultees and for comprehensive guidance, advice and, where appropriate, templates for preparation of the EIA report. Unless stated to the contrary in this Scoping Opinion, the Scottish Ministers expect the EIA report to include all matters raised by the consultees. The Scottish Ministers are satisfied that the requirements for consultation set out in the Electricity Works (Environmental Impact Assessment) (Scotland) Regulations 2017 have been met. With regards to those consultees who did not respond, it is assumed that they have no comment to make on the scoping report. 4. Site specific issues of interest to the Scottish Ministers In addition to specific comments below, the Scottish Ministers expect the EIA report which will accompany any application for the proposed development to include full details showing that all the advice, guidance, concerns and requirements raised by each consultee in the correspondence attached at Annex A to this opinion, have been addressed. In their consultation response, the Planning Authority requested the applicant provide a scale drawing showing a comparisons between the dimensions of the proposed turbine design and the consented turbine design. They also requested a map to illustrate the location of the proposed turbines and associated infrastructure in relation to the consented development. 4 The Planning Authority also requested that consideration should be given to extending the ZTV study area from 35km to 45km to include the Wild Land areas of NW Harris-Uig Hills and Scarp. To further inform the visual amenity assessment in relation to the impact on the Greater Stornoway settlement, the Planning Authority requested the inclusion of several viewpoints within their response. The Planning Authority highlighted if there is any scenario where the proposed Stornoway Wind Farm could be partially developed alongside the Sandwick East Community or Sandwick North Street applications, consideration should be given to scoping these developments into the assessment. Historic Environment Scotland (HES) raised concerns regarding heritage assets being grouped for assessment where they are considered to be related. In some instances related assets can have differing impacts, HES would appreciate the opportunity to see these groupings and comment before the full assessment is undertaken. HES recommend that potential mitigation is explored in relation to the scheduled monument known as Druim Dubh, stone circle. The proposed scheme has the potential to increase impacts considerably on the monument. It appears likely that a considerable reduction in this impact could be achieved by the removal of turbines 7 and 8 from the scheme, or their relocation elsewhere within the development boundary. SNH & RSPB recommended two years worth of field data should be gathered to inform impacts upon the site, in accordance with our SNH guidance due to proximity of the Lewis Peatlands SPA. SNH also highlighted the developer would need to justify how a shorter survey period could provide a sufficiently robust basis upon which to inform the EIA. The Scottish Ministers request that the Applicant investigates the presence of any private water supplies which may be impacted by the development. The EIA Report should include details of any supplies identified by this investigation, and if any supplies are identified, the Applicant should provide an assessment of the potential impacts, risks, and any mitigation which would be provided. 5. Mitigation Measures The Scottish Ministers are required to make a reasoned conclusion on the significant effects of the proposed development on the environment as identified in the EIA. The mitigation measures suggested for any significant environmental impacts identified should be presented as a conclusion to each chapter. Applicants are also asked to provide a consolidated schedule of all mitigation measures proposed in the environmental assessment, provided in tabular form, where that mitigation is relied upon in relation to reported conclusions of likelihood or significance of impacts. 6. Process Going Forward 5 It is acknowledged that the EIA process is iterative and should inform the final layout and design of proposed developments. The Scottish Ministers note that further engagement between relevant parties in relation to the refinement of the design of this proposed development will be required, and would request that they are kept informed of on-going discussions in relation to this. To facilitate uploading to the Energy Consents portal, the EIA Report and its associated documentation, when submitted, should be accompanied with a CD containing the EIA Report and its associated documentation divided into appropriately named separate files of sizes no more than 10 MB. This will also assist SNH and other consultees. All Applicants are encouraged to engage with officials at the Scottish Government’s Energy Consents Unit before proposals reach design freeze. This will afford an opportunity for additional comments to be provided on the final proposals at pre- application stage. Applicants are reminded that there will be limited opportunity to materially vary the form and content of the proposed development post submission. When finalising the EIA report,