SHETL – Western Isles HVDC Link – UK - Project Profile
"SHETL – Western Isles HVDC Link – UK - Project Profile" contains information on the scope of the project including project overview and location. The profile also details project ownership and funding, gives a full project description, as well as information on contracts, tendering and key project contacts.
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Scottish Hydro Electric Transmission Ltd (SHETL) is planning to construct a transmission line network in Scotland, the UK.
The project involves the construction of a ±150kV, 450MW high-voltage, direct current (HVDC) link comprising an 80km subsea cable (from Gravir on Lewis to Ullapool on the north-west coast of mainland Scotland) and a 76km underground cable between Beauly on mainland Scotland and Gravir in Western Isles.
It will also include the construction of a 132kV, 180MVA alternate current (AC) connection comprising 20km subsea cable and 6km overhead line between Gravir and Stornoway, a new substation at Stornoway (Creed Bridge), and the removal of the existing substation.
There have been discussions about subsea cables linking islands energy projects with the UK mainland since 2001. In 2010, SHETL missed the deadline for ordering the cable to have it operational by October 2013, target date. Since then further delays have emerged.
Power Systems Project and Consultancy Services (PCS) Ltd have been appointed as electrical consultant.
SHETL plans to submit the ‘Needs Case’ by the end of 2015. The Needs Case, a part of regulatory process, outlines why the link is required and identifies a way forward following assessment of potential options.
The project involves the construction of a transmission line network near Inverness in Scotland, the UK.
The US$1,177 million project includes the following:
1. Construction of ±150kV, 80km subsea cable
2. Construction of ±150kV, 76km underground cable
3. Construction of 132kV, 20km subsea cable
4. Construction of 132kV, 6km overhead line
5. Construction of new substation
6. Laying of transmission lines
7. Installation of safety systems
8. Installation of transformers
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