For the years 1990 to 2000 the data source is
IEA.
For the years 2001 to 2003 the data source is
Ember.
For the year 2004 the data source is
IEA.
For the years 2005 to 2011 the data source is
Ember.
For the year 2012 the data source is
IEA.
For the years 2013 to 2017 the data source is
Ember.
For the year 2018 the data source is
IEA.
For the years 2019 to 2023 the data source is
Ember.
For the year 2023/2024 the data source is
aggregated data from the last 12 months (2023-09 to 2024-08).
For the months 2023-09 to 2024-08 the data source is
ENTSOE.