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Update: More exact data on the cross border physical flow for electricity
The unnetted physical imports and exports with the countries Denmark, the Netherlands, Austria and Switzerland are now available by quarter hour.
Update from 14 September 2021:
With immediate effect, the physical imports and exports to and from Luxembourg will also be published in the original quarter hour resolution. Conversion to unnetted quarter hour values has occurred retroactively as from 2 August 2021.
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New on SMARD from 7 September 2021: More exact data on the cross border physical flow of electricity
Until now all physical imports and exports of electricity were published on SMARD in their original "hour" resolution. Approximately one month ago the transmission system operators for individual borders changed the original resolution to "quarter hour". Data submissions have been gradually adjusted for the borders of Denmark, the Netherlands, Austria and Switzerland.
Over the medium term the physical flows of electricity to and from the countries of France, Luxembourg, Poland and the Czech Republic are also being adjusted to the original resolution of quarter hour. The physical imports and exports of electricity to and from Belgium and Norway remain unaffected by this change. This data has been available ongoing in quarter hour resolution since the trial format began on 25 September (Belgium) and on 2 September (Norway) of last year.
So that the cross-border physical flows of electricity are uniformly depicted on SMARD, all country borders will be published in the "quarter hour" resolution and data with the original "hour" resolution will be converted accordingly.
Overview | |||||||||||
Country border | Belgium | Denmark | Netherlands | Norway | Austria | Switzerland | France | Luxembourg | Poland | Sweden | Czech Republic |
Original resolution | quarter hour | quarter hour | quarter hour | quarter hour | quarter hour | quarter hour | hour | hour | hour | hour | hour |
Resolution on SMARD | quarter hour (unnetted) | quarter hour (unnetted) | quarter hour (unnetted) | quarter hour (unnetted) | quarter hour (unnetted) | quarter hour (unnetted) | quarter hour (netted) | quarter hour (netted) | quarter hour (netted) | quarter hour (netted) | quarter hour (netted) |
Date of the change | - | 2 August 2021 | 29 July 2021 | - | 24 July 2021 | 2 August 2021 | 2022 | 2021 | 2023 | - | 2021 |
Under Market data visuals any time series can be combined with other data categories, for example wholesale prices. Of course all data is available in various formats from the Data download section and can also be used later.
Good to know
The cross-border physical flows of electricity are published unnetted on SMARD in the original "quarter hour" resolution. This means that for a quarter hour complete data for imports and for exports is available. By contrast, published data of all country borders with the original "hour" resolution are based on an average of netted quarter hour values.
For calculating physical net exports in quarter hour terms on SMARD where country borders use the hour as the original resolution, the imports and exports are divided by four. Those quarter hour values are therefore only to be interpreted as an approximation.