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Scotland’s wind exports to England and the myth of a 100% renewable Scotland

Scotland’s wind exports to England and the myth of a 100% renewable Scotland

Well over half of Scotland’s wind generation between January 12, 2018 and the present was exported to England and not consumed in Scotland. Euan Mearns reached substantially the same conclusion in his review of January and February 2016 data. Scotland’s government nevertheless assumes that all of Scotland’s wind generation is consumed in Scotland, that intermittency is not an issue, and that Scotland is therefore on track to meet its target of obtaining 100% of its electricity from renewables by 2020. The chances that Scotland will meet this target are of course zero, and Scotland’s government is pulling the wool over the public’s eyes by pretending otherwise.

[Inset image: Stirling Castle with environmentally enhanced scenery in the background.]

This post is an update of a number of posts Euan Mearns has written since 2015, with the most recent being Scotland-England electricity transfers and the perfect storm in March 2017. It uses five-minute Scotland-England transfer data between January 12 and October 23, 2018 that are now publically available on Leo Smith’s Gridwatch site. Gridwatch, however, does not break out any other grid data for Scotland, meaning that some assumptions have had to be made. These were:

1. Scotland’s wind generation. According to BEIS data UK wind generation totalled 50,004 MWh in 2017 and Scotland’s wind generation totalled 17,063 MWh, 33.5% of total UK generation. In the first two quarters of 2018 UK wind generation totalled 27,802 MWh and Scotland’s wind generation totalled 9,121 MWh, 32.8% of total UK generation. In both cases Scotland’s wind generation amounts to about a third of total UK generation, so it was simulated by dividing the Gridwatch 5-minute UK grid values by three. This conversion assumes that variations in wind generation were the same in Scotland as they were in the UK as a whole.

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