For the years 1980 to 1984 the data sources are
EIA
and
IEA (imports/exports).
For the years 1990 to 2000 the data source is
IEA.
For the year 2001 the data source is
Ember.
For the years 2002 to 2007 the data source is
IEA.
For the year 2008 the data source is
Ember.
For the years 2009 to 2017 the data source is
IEA.
For the years 2018 to 2019 the data sources are
IEA
and
IEA (imports/exports).
For the years 2020 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.