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A Road Map to 100 Percent Renewable Energy in 139 Countries by 2050

Image of solar panels and city view

"...Researchers calculate that these 139 countries could be powered 80 percent by clean, renewable energy by 2030 and 100 percent by 2050. The mix of resources they envision for the 2050 goal include:

  • 21.36 percent from photovoltaic solar plants
  • 9.72 percent from concentrated solar plants
  • 14.89 percent from residential rooftop solar
  • 11.58 percent from commercial and government rooftop solar
  • 23.52 percent from onshore wind
  • 13.62 percent from offshore wind
  • 4 percent from hydroelectric energy
  • 0.58 percent from wave energy
  • 0.67 percent from geothermal energy
  • 0.06 percent from tidal turbine energy

“What I find most exciting about the results of this study is that every country that we examined has sufficient resources to power itself, although in the case of a couple of tiny countries with very high populations, this might require either importing energy from their neighbor or using an unusually high amount of offshore energy,” says study leader Mark Z. Jacobson, director of Stanford University's Atmosphere and Energy Program."

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