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Methodology

The data used on this website comes from a number of sources, listed further down. The process of validating and merging data involves several steps. Validation is mainly done by comparing calculated and listed totals, for each region and worldwide. Data points that do not meet a certain acceptable level of error are discarded. Subsequently an ideal data source is chosen for each region and year. In some cases there is only one source available for the specific region and year. If multiple sources are available, the source which includes the most specific data is chosen. For example, some data sources group certain energy types together, such as Geothermal and Biofuels. In these cases the more specific data point is preferred. To find out which source was used for each data point you can download the combined data further down on this page.

Download Data

You can download the data used in the charts and tables on this site:

Name Years Countries / regions JSON CSV
Combined sources1971 - 2021213data-including-net-imports.jsondata-including-net-imports.csv
Combined sources (excluding net imports)1971 - 2021213data-excluding-net-imports.jsondata-excluding-net-imports.csv
IIASA1995 - 21001809data-iiasa.jsondata-iiasa.csv
Storage 1990 - 2020 71 storage.json

Electricity Generation Data Sources

The main electricity data used on this website comes from IEA, Ember, EIA, the World Bank and BP. The trade data used to calculate net imports comes from Enerdata, IEA and Ember. Data for each region and year is taken from one single source. Here is an overview of the relative use of each data source:

Source Data Points Used Years Source Link Gross/Net JSON CSV
IEAYearly 3818 1990 - 2019 www.iea.org Gross data-ieayearly.jsondata-ieayearly.csv
EIA 1847 1980 - 2018 www.eia.gov Net data-eia.jsondata-eia.csv
Ember 1571 2000 - 2021 ember-climate.org data-ember.jsondata-ember.csv
WorldBank 514 1971 - 1989 data.worldbank.org Gross data-worldbank.jsondata-worldbank.csv
BP 155 1985 - 2020 www.bp.com Gross data-bp.jsondata-bp.csv
IEAMonthly 32 2019 - 2021 www.iea.org Gross data-ieamonthly.jsondata-ieamonthly.csv
ENTSOE 4 2018 - 2021 transparency.entsoe.eu ? data-entsoe.jsondata-entsoe.csv

Data Sources and Energy Types

BPEIAENTSOEEmberIEAMonthlyIEAYearlyWorldBank
Low Carbon Sources
Fossil Fuels
Nuclear
Renewables Including Hydro
Hydropower
Renewables Except Hydro
Wind And Solar-
Geothermal And Biofuels-
Unspecified Renewables---
Wind-
Solar-
Geothermal---
Biofuels--
Coal-
Gas-
Oil--
Unspecified Fossil Fuels---
Other---
Net Imports---
Primary-----

Additional Data Sources

Blog

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Misleading claims about renewable power generation share in Denmark

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Jan 21, 2021
Why are we not talking about hydropower?

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