Project Type: Transmission reinforcement
Location: Angus

Contact Details

Liaison Manager

Louise Anderson
Title: Community Liaison Manager
Telephone: 07384 454233
Address: Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ

Land Manager

Stephen Bodie
Title: Land Manager
Mobile: 07876 836578
Address: Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ
Status: Construction Phase

About the Project

As the transmission network owner for the north of Scotland, SSEN Transmission is responsible for the maintenance and development of the transmission network in an economic, efficient and co-ordinated manner.

SSEN Transmission is proposing to upgrade the existing 275kV East Coast transmission network to enable new generation to link to Great Britain’s transmission system, allowing the onward supply of power to centres of demand.

We are developing a significant number of projects on the East Coast of Scotland to strengthen the network serving the region and allow developers of onshore and offshore renewable electricity to connect. One of these developers being Seagreen Wind Energy Limited (SWEL).

To facilitate SWEL's connection SSEN Transmission requires to extend the existing Tealing substation by approximately 60 x 100 metres to the east.  In addition to the substation extension works there are also planned upgrades to the current plant and infrastructure within our existing substation.  

Progress Gallery

 A selection of photographs taken on site documenting the project construction progress.

Why is the Project Required?

As part of its statutory and transmission licence obligations, SSEN Transmission has a number of duties including:

  • the development and maintenance of an efficient, coordinated and economical system of electricity transmission,
  • to facilitate competition in the supply and generation of electricity, and
  • to ensure that the security of the network is maintained as the demand and/or generation connections change over time.

SSEN Transmission has a licence obligation to invest in its existing assets to maintain network health and condition. SHE Transmission also has a statutory duty under the Electricity Safety, Quality and Continuity Regulations 2002 to ensure that the electricity transmission network is fit for purpose.

Our Approach

Throughout the life of our projects, we aim to work positively with local communities and keep people informed about what we are doing.

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.

Seagreen Wind Energy Ltd (SWEL)

Seagreen Wind Energy Ltd is a £3bn offshore wind farm development owned by SSE Renewables (49%) and Total (51%).  Once complete, the project will take on the title of Scotland’s largest offshore wind farm with 114 turbines and a capacity of 1,075MW.

In 2010, Seagreen was awarded exclusive development rights by The Crown Estate for the Firth of Forth zone of the UK’s Round 3 offshore wind farm development programme.

Seagreen phase one within the zone includes the development of two windfarms, “Seagreen Alpha” and “Seagreen Bravo”, located over 27km from the Angus coastline with a potential combined capacity of up to 1.5GW.

The offshore consent for Seagreen phase one was received in 2014 (confirmed in 2017 following legal challenge). In March 2018, Seagreen submitted an application to Marine Scotland seeking to remove the consented capacity limit to utilise the latest advances in wind turbine technology. This application was approved in August 2018.

In 2013, the onshore consent (Planning Permission in Principle) was received from Angus council and extended in December 2016 following re-application by Seagreen. Seagreen phase one will be, at its nearest point, located approximately 27km from the Angus coastline covering an area of around 400Km2 in the outer Firth of Forth.

The electricity will be delivered by subsea and then underground cables from landfall at Carnoustie to a new onshore substation at Tealing for onward transmission on the national electricity transmission system.

For more information on SWEL's substation please click here

Recite Me

To support everyone online, we provide accessibility and language options on our website through ‘Recite Me’. The accessibility and language support options provided by ‘Recite Me’ include text-to-speech functionality, fully customisable styling features, reading aids, and a translation tool with over 100 languages, including 35 text-to-speech. Please select “Accessibility” on our website to try out our inclusive toolbar.

To make use of this function please click on the 'accessibility' button at the top right of the website. 

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.

Who is Scottish and Southern Electricity Networks?

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.

How are Transmission network upgrades paid for?

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.

What is the transmission network?

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. 

How and to what extent are electricity consumers' interests considered?

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.

Upcoming Activities

From 6 June our Principal Contractor Balfour Beatty who will be delivering the next phase of works for the installation of the Phase Shifting Transformers (PSTs) will be mobilising to site. This will consist of 9 cabins being delivered on HIABs as well as delivery of 2No generators, fuel tanks, water bowser and a septic tank. We anticipate the deliveries to be completed by 8 June and the transport team have been made aware the deliveries need to be staggered so they do not meet on the road to site. With the next phase of works commencing, the previous speed restriction of 40mph will be re-introduced on Emmock Road from 20 June with advanced signage being implemented one week before, this will be in place for 77 weeks. Balfour Beatty will also be arranging for speed radar signs to be in place to help encourage all road users to adhere to the reduced speed limit as well as temporary speed humps on the road into our substation site. We have created an information booklet that details the works to date and those due to start including a timeline for the construction activities, which can be downloaded from the project documentation section of this webpage. If you have any questions or queries pertaining to the above information, please do not hesitate to contact the projects Community Liaison Manager.

Successful completion of Seagreen connection at Tealing substation

A major milestone has been reached in the ongoing development of the Tealing transmission substation with the successful energisation of the new power network at the facility which will enable the connection of the Seagreen offshore wind farm. To find out more on this milestone, please click the link below.
Find out more

Project Update - December 2021

As construction works at the existing Tealing substation prepare to stop for the festive period, we wanted to provide a project update on the works that have been carried out during 2021 as we’ve extended the substation to accommodate the Seagreen Wind Energy Ltd connection and carried out upgrades to the current plant and infrastructure. This year some of the activities on site have included the dismantling of the old concrete structures to make way for the installation of over 240 concrete bases and associated equipment, installation of over 9000m of cabling as well as 2000m of busbar. This completed the major element of the works which have been energised this week. The works at Tealing substation are part of the wider East coast onshore 275kV upgrade reinforcement which includes the construction of a new 275kV substation near Alyth, Perthshire. The Alyth substation, and associated overhead line works to connect the substation to the national grid releases additional capacity by improving the power flow balance. However, the boundary between SSEN Transmission and Scottish Power Transmission would still be limited, so to fully utilise the increased capacity provided by Alyth substation and the overhead line upgrade, it is proposed to install Phase Shifting Transformers (PSTs) at Tealing substation. The PSTs will be installed in March & May 2023 but ahead of the delivery of these, civil enabling works are required within Tealing substation, these will commence in quarter 3 of 2022. As well as the installation of PSTs at the substation, following a recent assessment of existing assets on site it has been determined that Super Grid Transformer (SGT) 3 which was manufactured in 1968 is reaching the end of its operational capabilities and therefore requires to be replaced. As the need for the replacement of SGT3 has been highlighted, SSEN Transmission will undertake the works associated with the SGT replacement at the same time as the works to install the new PSTs and as such these works will also be delivered during 2023. All SSEN Transmission construction activities will cease at the substation for the festive period from 24 December until 4 January 2022. Our Operation Teams may still access the site during this time. No major works are expected to be carried out w/c 20 December as the site prepares to close.

Tealing CLG

We have now published the minutes from the fourth CLG meeting that was held on 21 July , these can be downloaded from the project documentation section of this webpage. If you have issues, concerns or comments you would like discussed at a CLG, please contact any of the Tealing or SSEN Transmission representatives. If you wish to attend a CLG in person, you are required to declare an agenda item in advance to Community Liaison Manager, Louise Anderson. We anticipate the next CLG meeting to be held in April 2022.

CLG Minutes

The minutes from the third CLG meeting that was held on 31 March are now available to be downloaded from the project documentation section of this website. If you have issues, concerns or comments you would like discussed at a CLG, please contact any of the Tealing or SSEN Transmission representatives. If you wish to attend a CLG in person, you are required to declare an agenda item in advance to Community Liaison Manager, Louise Anderson.

Security Light Testing

As construction works continue to progress at the existing SSEN Transmission Tealing substation to facilitate the Seagreen Wind Energy Ltd (SWEL) connection, we have also been carrying out works separately with Balfour Beatty to upgrade the security, in the way of increasing the height of the perimeter fence and installing new security lights and CCTV cameras. Balfour Beatty’s sub-contractor, Pointer, have now advised us that they require to carry out testing of the new security light system to ensure the lights will work correctly when commissioned. This testing will consist of the lights coming on intermittently from 5 -16 July. Once the testing period is complete, and the new lights are commissioned these will only come on when an intrusion has been detected by the security system. We apologise to the local community for any inconvenience the testing period will cause and thank them for their patience while this necessary activity is carried out to ensure the new security lighting system works correctly.

Progress Video

With construction having been well underway on the Tealing substation extension project for the last year. Our Principal Contractor, Siemens BAM have created an impressive montage giving an insight into the ongoing works to extend the existing substation, over a 12 month period. To view the video, please click on the adjacent picture.

Emmock Road

SSEN Transmission recently submitted an application to Angus Council to restrict the speed on Emmock Road to 40mph from the entrance to the substation along to the dual carriageway flyover. These restrictions will come into place from 25 May for 32 weeks. A map showing where the signage will be placed can be downloaded from the project documentation section of this website. We hope this reduction well help prevent any damage to the road and verges following the resurfacing works carried out earlier this year.

CLG Minutes

The minutes from the second CLG meeting that was held on 27 January are now available to be downloaded from the project documentation section of this website. If you have issues, concerns or comments you would like discussed at a CLG, please contact any of the Tealing or SSEN Transmission representatives. If you wish to attend a CLG in person, you are required to declare an agenda item in advance to Community Liaison Manager, Louise Anderson. The next CLG meeting will be held on 7 July 2021.

Transformer Delivery

We will be taking delivery of a transformer onto site on Monday 22 March, this will be delivered via the Moatmill Road. We do not anticipate this to cause any disruption to the local community.

CLG Minutes

We held the second Tealing substation CLG meeting on 27 January via Microsoft Teams. Minutes from the inaugural meeting that was held in December along with the Terms of Reference can be downloaded from the project documentation section of this website. If you have issues, concerns or comments you would like discussed at a CLG, please contact any of the Tealing or SSEN Transmission representatives. If you wish to attend a CLG in person, you are required to declare an agenda item in advance to Community Liaison Manager, Louise Anderson.

Community Liaison Group (CLG)

We held our first Community Liaison Group meeting on 2 December 2020 via Microsoft Teams. The Community Liaison Group (CLG) is made up of representatives from the local community as well as Tealing Community Council, and Councillors from Angus Council for Monifeith and Sidlaw Ward and project representatives from SSEN Transmission and SWEL. Meetings will take place at regular intervals to discuss any matters relating to the Tealing substation extension project while the construction period continues. Minutes will be made publicly available via this website via the project documentation tab and through local channels such as Tealing Community Council. The date of the next CLG is 27 January 2021 6–8pm. If you have any queries relating to this project please contact Louise Anderson, Community Liaison Manager.

Project Update - November

The next phase of work within the existing Tealing substation commences on Monday 30 November and will involve the dismantling and re-build of the reserve bus bar. For these works to be completed, the working hours will be extended again, like at the beginning of November; 7am to 9pm. These hours will be in place until the end of March 2021. Weekend working will continue to be on both Saturday’s and Sunday’s between 7am – 6pm. All tower lighting on site will be switched off at the end of each shift respectively and we apologise for any inconvenience caused to the local residents with the extension of the hours which are required to enable us to complete these necessary works.

Extension to Working Hours

From Monday 2nd of November the working hours for our Principal Contractor will be extended for approximately 3 weeks, until Monday 16th November 2020. The new working hours will be 7am to 9pm, the works that will be carried out during these additional hours, will not be on the substation extension but within the existing substation itself. There will be tower lights on while the works are ongoing, but these will be switched off at the end of each night at 9pm. No plant movements will be undertaken during the additional hours in order to help minimise noise and disruption to local residents. Weekend working will also commence within the existing substation on both Saturday’s and Sunday’s between 7am – 6pm. SSEN Transmission apologises for any inconvenience that these changes may cause to the local community and thank you for your continued understanding as our project progresses.

Additional Lighting on Site

We will be arranging for new tower lights to be installed around the access road and compound, these will be installed in the next couple of weeks. These are to ensure during winter hours that the site remains a safe environment for works to be carried out. The lights will be in place from October 2020 until February 2021 and will be in operation from 6am to 7pm. At 7pm our Principal Contractor will lower the tower lights and switch them off. They will be installed around the perimeter of the site shining into the substation areas and facing at 45 degrees to the ground.

Project Update - September

Progress on the Tealing substation extension project has been progressing well. Civil works on the platform extension is nearing completion, the most recent milestone reached has been getting the permanent external perimeter fence erected. The dismantling of the old substation equipment is now all complete and the installation of the new plant and equipment is progressing well on both the new extension and within the existing substation. The new 275kV modular control building is now installed and fitted out and panel installation complete. Commissioning activities have also now commenced and will continue as the project works towards an energisation date of 10 November 2020. The project has a rolling number of outages on the network until December 2021 in order to complete the remaining dismantling and rebuild of the 275kV busbar and associated equipment.

Weekend Working

In order to carry out the essential rebuild of the east of the substation and connect in the extension and to ensure network security is maintained to return a completed rebuild, including the extension to the existing Tealing substation, Angus Council has approved for our Principal Contractor to work the following Sunday's to achieve this and complete works before winter running resumes on the network. 14th and 28th June, 12th & 26th July, 9th and 23rd August, 6th and 20th September, 4th &18th October and 1st, 15th and 29th November. Works that will be carried out include: Complete the build to the extension and to Tealing substation including installation of plant & equipment, installation of permanent perimeter fence, complete external landscaping, testing and commissioning. To ensure local residents are disturbed as little as possible there will be no deliveries to site out with normal working hours. The duration's of any plant movements will be restricted to no more than 25 minutes continuous movements. Works will also take place on site on Saturdays beginning this Saturday 13th June until 19th December with working hours proposed at 8am - 6pm. Work will be taking place across the whole site on Saturday's.

Planning Application Determination

To facilitate the Seagreen Wind Energy Limited connection, and for SHE Transmission's substation at Tealing to be extended SWEL submitted a planning application to Angus Council on the 5th of July 2019 under reference 19/00534/MSC. As our extension is required for the Seagreen development, an agreement with Angus Council was reached whereby consent for SHE Transmission’s extension was incorporated as part of Seagreen’ s planning application for the detail of their site. That planning application was approved by Angus Council on 21st January 2020.

Information Booklet - May 2022

Related Projects: Tealing Substation Extension

File Type: pdf
Published: 01 Jun 2022
Tealing CLG 4 Minutes

Related Projects: Tealing Substation Extension

File Type: pdf
Published: 08 Dec 2021
Tealing CLG Meeting 3 Minutes

Related Projects: Tealing Substation Extension

File Type: pdf
Published: 22 Jul 2021
40mph restriction - Emmock Road

Related Projects: Tealing Substation Extension

File Type: pdf
Published: 13 May 2021
Tealing CLG Meeting 2 Minutes

Related Projects: Tealing Substation Extension

File Type: pdf
Published: 01 Apr 2021
Tealing CLG Meeting 1 Minutes

Related Projects: Tealing Substation Extension

File Type: pdf
Published: 28 Jan 2021
Tealing Substation Extension CLG Terms of Reference

Related Projects: Tealing Substation Extension

File Type: pdf
Published: 28 Jan 2021
North East 400kV & Eastern Reinforcements (Nov 2019)

Related Projects: Alyth 275kV Substation & Reactive Compensation, East Coast 275kV OHL Upgrade, East Coast 400kV OHL Upgrade, Kintore 400kV Substation, North East 400kV, Peterhead Substation, New Deer Substation, Rothienorman Substation, Tealing Substation Extension

File Type: pdf
Published: 19 May 2020

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