Trends in Renewable Electricity Generation in the G20 Countries: An Analysis of the 1990–2020 Period

Carla Cristiane Sokulski*, Murillo Vetroni Barros, Rodrigo Salvador, Evandro Eduardo Broday, Antonio Carlos de Francisco

*Corresponding author for this work

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Abstract

The use of electricity from non-renewable sources increases environmental impacts. Therefore, several countries have committed to increase the use of renewable sources. Considering the importance of the Group of Twenty (G20), this article aims to identify trends in renewable electricity supply in these countries. The data collected are from the International Energy Agency (IEA) between 1990 and 2020. The methods measured the production of each type of electricity in the G20 matrices and identified the influence of the population, Gross Domestic Product (GDP), and CO2 emissions in renewable electricity production using multiple linear regression. In terms of results, Brazil and Canada have the most renewable electricity matrices and higher per capita renewable production than non-renewable. Saudi Arabia presented the smallest renewable matrix throughout the analyzed period. All 20 countries have varied electrical production, with different amounts of solar, wind, hydro, biomass, geothermal, and tidal energy. Countries with the highest GDP are not necessarily the largest producers of renewable electricity. Hydroelectric energy, the biggest highlight in renewable production, is making room for other sources such as wind and solar, which grew the most in terms of participation in the electrical matrices. The waste, geothermal, and tidal energy participation have shown a timid but constant growth.
Original languageEnglish
Article number2084
JournalSustainability
Volume14
Issue number4
Number of pages21
ISSN2071-1050
DOIs
Publication statusPublished - 2022

Keywords

  • Energy supply
  • Renewable energy
  • Renewable electricity generation
  • Renewable electricity
  • Group of twenty

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