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Hydroelectric Power

Map No.


Hydroelectric power is generated by transforming the energy from moving water into electricity. Large dams and steep rivers facilitate the generation of hydroelectric power. Sometimes other sources of electricity are used to pump water back up into dams which store this energy, acting as batteries
The most hydroelectric power is generated in Canada, China, Brazil and the United States. Together these territories generate 44% of all hydroelectric power.

Fifteen territories do not use hydrolelectric power. These territories are generally either relatively small islands or Middle Eastern oil producers with low rainfall.


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Technical Notes

This map shows the proportion of all hydroelectric power generated there in 2002.

Data sources
This map uses data by World Bank World Development Indicators (last accessed March 2018). We aim to map as complete data as possible and therefore estimate data for missing values. In some cases, missing data for very small territories is not used in the cartogram and that area is therefore omitted in the map.

Further notes on the data, as well as all modifications to the original data source are noted in our data sheets. Data for this map will soon be available as a download.

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