Most energy came from large-scale hydroelectric power (60.5%). New renewable energy sources – solar, wind, small-scale hydroelectric power and biomass – accounted for 7.2%, up from 5.9% in 2016. Only small amounts of electricity came from rubbish and fossil fuels (each under 1%).
“For 16% of the delivered energy, the origin and composition is not verifiable,” explained an energy office statement. This is because large energy intensive companies buy fossil fuel and nuclear electricity from the European market without buying the proofs of origin that go with it, the office added.
This should change for the next set of energy statistics in 2020. Since this year it has been forbidden to declare electricity as “from non-verifiable energy sources”.
International comparison
Switzerland produces 55% of the renewable energy consumed in the country.
In some countries with a lot of hydropower, like Austria, it’s a lot higher: 72%. In Norway, up to 95% comes from hydroelectric sources, she said.
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