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For any question on data and metadata, please contact: Eurostat user support |
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1.1. Contact organisation | European Commission - Eurostat |
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1.2. Contact organisation unit | Unit E.5: Energy |
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1.5. Contact mail address | European Commission - Eurostat |
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2.1. Metadata last certified | 29/01/2024 | ||
2.2. Metadata last posted | 29/01/2024 | ||
2.3. Metadata last update | 29/01/2024 |
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Energy import origin concertation index shows in one figure, how varied import origins of energy sources used in a country are. It is based on the Herfindahl-Hirschman index principle. This indicator can reach values only between 0 and 1. Lower values of this index means more diversified origins, higher values mean more concentrated origins. |
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4.1. Data description | |||
This indicator is calculated across every fuel, for which import origins are reported in the annual energy statistics, which are the source data for this calculation. I = Imports CV = calorific value FG = fuel group (i.e. oil, coal renewables, ...) F = individual fuel (i.e. crude oil, natural gas, biogas, electricity, ...) Resulting calculations are rounded to 4 decimal places. It needs to be recognised that we are making calculations over products reported in tonnes and in reality we are grouping products with significantly different calorific values. This is partly mitigated by using product-specific calorific values, however there are no origin-specific calorific values. In practice the calculation is done by applying the portion calculated in tonnes to the total imports in the energy balance.
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4.2. Unit of measure | |||
[INX] Index |
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4.3. Reference Period | |||
The calendar year (January - December) |
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4.4. Accuracy - overall | |||
The indicator is produced according to the high-level quality standards of European Statistical System. While indirect indicators suggest overall accuracy of energy balance should be in general high, quantitative assessment of accuracy was not performed by Eurostat. Please see Related metadata for details on accuracy of the source datasets used to calculate this indicator. |
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4.5. Source data | |||
European Commission - Eurostat Please see Related metadata for specific information on source data used to calculate this indicator. |
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5.1. Frequency of dissemination | |||
Every year Revisions several time per year are possible. |
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5.2. Timeliness | |||
T+2 years |
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6.1. Reference area | |||
All EU MS Data are presented for all EU Member States |
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6.2. Comparability - geographical | |||
All EU MS Data are comparable between all EU Member States and between other presented countries. |
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6.3. Coverage - Time | |||
> 10 years All EU Member States have long time series |
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6.4. Comparability - over time | |||
> 4 data points Comparability over time is ensured with a solid methodology harmonised on international level that is stable over long periods. Occasional breaks in time series are present due to the developments of statistical systems on national level and the level of detailed information (micro data) available at national level. In general comparability is very high in last 10 years and for older periods slowly decreasing. In addition, introduction of new statistical information in the most recent data collections can lead to breaks in series until information is compiled and provided by reporting countries. |
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7.1. Dissemination format - Publications | |||
https://ec.europa.eu/eurostat/web/energy/publications Paper publications have been abolished. |
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7.2. Dissemination format - online database | |||
Dissemination is maintained on Eurostat's database: https://ec.europa.eu/eurostat/web/energy/database |
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7.3. Dissemination format - other | |||
Information not available. Redissemination of this indicator is not monitored. |
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No flags are used in this indicator, please refer to source datasets for all specificities and particularities. |
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nrg_bal_esms - Energy balances nrg_quant_esms - Energy statistics - quantities nrg_t_esms - Trade by partner country |
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