Dataset Open Access

Electrical half hourly raw and cleaned datasets for Great Britain from 2009-11-05

Grant Wilson; Noah Godfrey


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    <subfield code="a">&lt;p&gt;2021-09-09: Version 6.0.0 was created. Now includes data for the North Sea Link (NSL) interconnector from Great Britain to Norway (https://www.northsealink.com). The previous version (5.0.4) should not be used - as there was an error with interconnector data having a static value over the summer 2021.&lt;/p&gt;

&lt;p&gt;2021-05-05: Version 5.0.0 was created. Datetimes now in ISO 8601 format (with capital letter &amp;#39;T&amp;#39; between the date and time) rather than previously with a space (to RFC 3339 format) and with an offset to identify both UTC and localtime. MW values now all saved as integers rather than floats. Elexon data as always from www.elexonportal.co.uk/fuelhh, National Grid data from&amp;nbsp;https://data.nationalgrideso.com/demand/historic-demand-data &amp;nbsp; Raw data now added again for comparison of pre and post cleaning - to allow for training of additional cleaning methods. If using Microsoft Excel, the T between the date and time can be removed using the =SUBSTITUTE() command - and substitute &amp;quot;T&amp;quot; for a space &amp;quot; &amp;quot;&lt;/p&gt;

&lt;p&gt;_____________________________________________________________________________________________________&lt;/p&gt;

&lt;p&gt;2021-03-02: Version 4.0.0 was created. Due to a new interconnecter (IFA2 -&amp;nbsp;https://en.wikipedia.org/wiki/IFA-2) being commissioned in Q1 2021, there is an additional column with data from National Grid - this is called &amp;#39;POWER_NGEM_IFA2_FLOW_MW&amp;#39; in the espeni dataset. In addition, National Grid has dropped&amp;nbsp;the column name &amp;#39;FRENCH_FLOW&amp;#39; that used to provide&amp;nbsp;the value for the column&amp;nbsp;&amp;#39;POWER_NGEM_FRENCH_FLOW_MW&amp;#39; in previous espeni versions. However, this has been changed to &amp;#39;IFA_FLOW&amp;#39; in National Grid&amp;#39;s original data, which is now called &amp;#39;POWER_NGEM_IFA_FLOW_MW&amp;#39; in the espeni dataset. Lastly, the IO14 columns have all been dropped by National Grid - and potentially unlikely to appear again in future.&lt;/p&gt;

&lt;p&gt;2020-12-02: Version 3.0.0 was created. There was a problem with earlier versions&amp;nbsp;local time format - where the +01:00 value was not carried through into the data properly. Now addressed - therefore - local time now has the format e.g.&amp;nbsp;2020-03-31 20:00:00+01:00 when in British Summer Time.&lt;/p&gt;

&lt;p&gt;2020-10-03: Version 2.0.0 was created as it looks like National Grid has&amp;nbsp;had a significant change&amp;nbsp;to the methodology underpinning the embedded wind calculations. The wind profile seems similar to previous values, but with an increasing value in comparison&amp;nbsp;to the value published in earlier&amp;nbsp;the greater the embedded value is. The &amp;#39;new&amp;#39; values are from&amp;nbsp;https://data.nationalgrideso.com/demand/daily-demand-update from 2013.&lt;/p&gt;

&lt;p&gt;Previously: raw and cleaned datasets for Great Britain&amp;#39;s&amp;nbsp;publicly available electrical data from&amp;nbsp;Elexon (www.elexonportal.co.uk) and National Grid (https://demandforecast.nationalgrid.com/efs_demand_forecast/faces/DataExplorer). Updated versions with more recent data will be uploaded with a differing&amp;nbsp;version number and doi&lt;/p&gt;

&lt;p&gt;Pre-print of methodology can be downloaded from:&amp;nbsp;&lt;a href="http://arxiv.org/abs/2006.15717"&gt;http://arxiv.org/abs/2006.15717&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;All data is released in accordance with Elexon&amp;#39;s disclaimer and reservation of rights.&lt;/p&gt;

&lt;p&gt;https://www.elexon.co.uk/using-this-website/disclaimer-and-reservation-of-rights/&lt;/p&gt;

&lt;p&gt;This disclaimer is also felt to cover&amp;nbsp;the data from National Grid, and the parsed data from the Energy Data Analytics Group at the University of Birmingham too.&lt;/p&gt;</subfield>
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