The company responsible for maintaining the electricity transmission infrastructure in Scotland, SHETL, has unveiled its plans for linking the so-called interconnector to the island grid. This will involve a high-voltage (132 kilovolt) powerline from the Creed River substation to the Arnish Fabrication Yard, thence by subsea cable to a large electricity substation, to be built at Gravir in South Lochs. That is the point where electricity, generated by landbased renewable energy projects in Lewis (e.g. the Eishken Windfarm, the Shader Tidal Barrage and various community windfarms) will be transmitted to the mainland using the interconnector. This subsea cable will link from Little Loch Broom to Beauly (near Inverness), and onwards to Denny in Stirlingshire using the upgraded high-voltage link across the Highlands.
This is all subject to approval by the Scottish Government of the Interconnector and the Arnish to Gravir subsea cable. The project is cited as necessary to pipe all the power, generated by renewable projects, away to the mainland.
A few weeks ago, it was reported that a weather pattern was in place one day which created flat calm conditions across Scotland. All the windfarms in the country, from the Borders to the Northern Isles, only managed to generate enough power that day to boil 1,000 kettles. That would have left an awful lot of folk with cold cups of tea. And we're supposed to rely on that for all our power? Just as well a new tranche of renewable energy project was released this week, related to tidal and wave power in the Pentland Firth, between Orkney and Caithness.