SSEN Transmission successfully energises Tealing substation
UK: A new power network has been successfully energised at the Tealing transmission substation, to enable the connection of the Seagreen offshore wind farm.
Image source: SSEN Transmission
UK: A new power network has been successfully energised at the Tealing transmission substation, to enable the connection of the Seagreen offshore wind farm.
SSEN Transmission and its principal contractor Siemens BAM have been working since October 2019 to upgrade and extend the existing 275 kV substation at Tealing to increase the capacity of the electricity transmission network to allow the connection of the Seagreen Wind Energy Limited (SWEL) offshore wind farm project, which is currently under construction.
The project is part of a significant number of projects on the East Coast of Scotland to strengthen the transmission network in the region, enabling the connection of new renewable generation to the grid and helping to facilitate the transition to net zero emissions.
The Tealing SSEN Transmission substation project involved dismantling the old concrete structures to make way for the installation of over 240 new concrete bases and associated equipment, as well as the installation of over 9,000 m of cabling and 2,000 m of busbar, the metal apparatus used for high voltage power distribution.
As the Tealing substation is a key node in the transmission network the busbar rebuild works had to be completed in sections to allow power flow to be maintained throughout the project. This meant each section was demolished, rebuilt, commissioned, reconnected to the existing substation and energised before moving on to the next section.
Teams are now turning to the next phase of work, which involves installing two new phase-shifting transformers at Tealing. These will improve the power flow control in the existing overhead lines on the east coast of Scotland.
“We are delighted to have successfully completed the energisation of Tealing substation ready for the connection of power from Seagreen offshore wind farm,” said Alison Hall, SSEN Transmission Lead Project Manager.
Source: SSEN Transmission
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