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The Energy Trilemma Index ranks countries in terms of their likely ability to provide sustainable energy policies through the three dimensions of the energy trilemma:

  • Energy security: the effective management of primary energy supply from domestic and external sources, the reliability of energy infrastructure, and the ability of participating energy companies to meet current and future demand.
  • Energy equity: the accessibility and affordability of energy supply across the population.
  • Environmental sustainability: the achievement of supply and demand-side energy efficiencies and the development of energy supply from renewable and other low-carbon sources.

Switzerland maintains the top spot in the Index for yet another year and exhibits strong, balanced performance, achieving top-10 rankings on all three dimensions. Energy security is Switzerland's least strong dimension, as the country imports around half of the energy it uses. Energy equity is high, however, and Switzerland continues to be the best in the world at limiting its impact on the environment, with low levels of pollution and an ultra-low emission energy infrastructure, which utilizes fossil-fueled power plants for only 1 percent of electricity generation. Contextual performance - which covers the broader circumstances of energy performance including societal, political and economic strength and stability - remains among the best in the world.

Source: 2015 Energy Trilemma Index

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