SSEN Transmission are pleased to be holding virtual consultation exhibitions to provide information on our preferred route to the local community and interested parties.
The virtual consultation events are designed to be as interactive as face to face events, allowing for the presentation of key project information and plans, as well as proving an opportunity to ask questions about the project.
Visitors will be able to engage directly with the project team, via a live instant messaging chat function, where they can ask any questions they might have about the project and share their feedback on the current proposals.
The virtual consultation events will be taking place as follows:
The original Strathy North & South indoor Air Insulated Switchgear (AIS) 33/132kV substation was constructed to accommodate both the Strathy North and South windfarm connections via 90MVA transformers and 2 x12km trident wood pole overhead lines to connect to the 132/275kV substation at Connagill. The substation construction and the circuit to connect Strathy North were completed in January 2016 however due to the Strathy South Wind Farm being referred to Public Inquiry the transformers and connection at Strathy North & South substation and the 2nd Strathy South wood pole line were not constructed.
Further to the Strathy South wind farm obtaining consent, the Developer has proposed an increase in their generation capacity, a change to the point of connection to the transmission system from the Strathy North & South substation to a new location within the Strathy South Wind Farm boundary and new connection date. This has resulted in a change in scope for the connection works which now includes the construction of a new 33/132kV outdoor AIS substation including the supply and installation of two new 120MVA transformers and associated electrical equipment, the construction of a new 17km trident wood pole line and 5km of 132kV underground cable and connection at the existing 132/275kV Connagill by December 2025.
In the intervening period between the original Strathy South Wind Farm project going to Public Inquiry and the new contracted proposals being agreed, the section 37 consent for the original Strathy South trident line between the Strathy North &South and Connagilll substations has lapsed and as such new consent will be required. The new section 37 consent will also now include the extended scope. It is anticipated that a section 37 consent application will be submitted to the Energy Consents Unit in Q1 2023.
The Strathy South Wind Farm Developer will be responsible for obtaining any consent related to the new substation.
Engagement with Statutory Authorities and the wider Community shall be undertaken on completion of technical, environmental and economic assessments as the project proceeds, feedback from these engagements will be used to inform the proposed Routeing and Alignment for the connection works.
Throughout the life of our projects, we aim to work positively with local communities and keep people informed about what we are doing. This is particularly important when we are developing a proposal and we want to understand what local people think about our plans.
We endeavour to take the time to discuss proposals with local community councils, encourage engagement from the wider community and listen to the feedback we receive.
We will do our best to answer any questions and address issues or concerns that are raised with us.
When our project progresses into construction, we will continue working closely with the local community to ensure that our work has as little impact on the lives of those living and working in the area and as many long term positive effects as possible.
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The data in this map is provided for indicative purposes only and may be subject to change. Scottish Hydro Electric Transmission plc do not accept responsibility for its accuracy, completeness or validity. The data should not be copied, reproduced or utilised externally without permission.
Scottish and Southern Electricity Networks is the trading name of Scottish and Southern Energy Power Distribution Limited, Scottish Hydro Electric Transmission plc, Scottish Hydro Electric Power Distribution plc and Southern Electric Power Distribution plc.
Investments in projects are made by SHE Transmission plc. Electricity transmission companies are authorised to recover the costs of such investments through 'use of system' charges which are levied by National Grid Electricity Transmission plc on generators and suppliers of electricity. Suppliers recover their costs from all electricity customers. In order to protect the interests of customers, the transmission companies have to demonstrate to the energy regulator, Ofgem (Office for Gas and Electricity Markets) that proposed investments are necessary, are efficient and are economical so that the charges which are ultimately levied on all electricity customers are justified.
This means SHE Transmission is subject to a funding mechanism established by Parliament and regulated by Ofgem. Cross subsidies between different businesses in the SSE group is not permitted.
The Scottish Ministers are responsible for determination of applications submitted under Section 37 of the Electricity Act 1989. Both statutory consultees and members of the public have the right to submit their representations on the application. All representations will be considered by Scottish Ministers in their determination of the application.
The Office for Gas and Electricity Markets (Ofgem), as the regulator, has to approve all investment so project proposals are developed under license conditions.
Preferred route corridors chosen will comply with revised ‘Holford Rules’ which are the recognised industry approach to routeing overhead lines amended to reflect Scottish circumstances.
The Holford Rules originated in 1959 as the result of work by Lord Holford, a part-time member of the Central Electricity Generating Board (National Grid's predecessor). The Holford Rules have been augmented by both National Grid and SHE Transmission plc to reflect environmental legislation and best practice in recent years. We have continued to use them as a valuable set of guidelines for reducing the impact of our assets on landscapes.
The guidance recommends appropriate application of the Holford Rules to inform routeing. These rules advocate the application of a hierarchical approach to routeing which first avoids major areas of highest amenity, then smaller areas of high amenity, and finally considers factors such as backdrop, woodland and orientation. The Holford Rules apply the term ‘amenity’ to refer to environmental designations and classifications such as Natura 2000 sites, Sites of Special Scientific Interest (SSSI), Scheduled Monuments, Listed Buildings, National Parks.
The guidance also recognises that the key effect of overhead lines is visual and it advises that the routeing of overhead lines should consider the types of mitigation (screening) that could offset any visual effects.
In their National Policy Statement EN-5, the Government has stated that the Holford Rules “should be followed by developers when designing their proposals.” Their use is therefore Government policy, rather than a voluntary choice of SHE Transmission plc.
SHE Transmission are regulated by the Office for Gas and Electricity Markets (Ofgem), the regulator responsible for representing consumers' interests. Electricity consumer interests are therefore one of our key drivers and this is enshrined in our statutory duties under the Electricity Act.
In particular we have a statutory duty to develop, maintain and operate an efficient, economic and co-ordinated transmission system. Since the costs of these projects will ultimately be paid for by electricity consumers, we have a responsibility to take cost into account with due weighting in a comparison against other important factors.
It’s the highest voltage electricity network in the UK – the ‘motorway network’ of the energy world. It transmits large quantities of electricity over long distances via wires carried on a system of mainly metal towers (pylons) and large substations. Transmission voltages in Scotland are 132kV, 275kV and 400kV. Larger generation schemes usually connect to the Transmission system.
The lower voltage parts of the system are called distribution networks. In Scotland, these local networks operate below 132kV whereas in England the distribution network includes 132kV.
Related Projects: Strathy South Wind Farm Connection, Strathy Wood Wind Farm Connection, Armadale Wind Farm Connection
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