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According to the government, the lifespan of nuclear power plants, based on technical safety criteria, is “about 50 years”. This was too long for the Greens, who want to walk away from nuclear power without any shilly-shallying. In May 2011 they launched a people’s initiative “For a planned phase-out of nuclear energy”, which they handed in with well over 100,000 signatures in November 2012. As a result, the people will now have to decide on the future of Switzerland’s nuclear power plants in a nationwide vote.

‘Permanent state of emergency’

The initiative calls for Swiss power plants – which supply on average 35% of the country’s electricity – to be shut down after no more than 45 years of operation. This would mean that the stations Beznau I and II (in canton Aargau) and Mühleberg (Bern) should shut down in 2017, Gösgen (Solothurn) in 2024 and Leibstadt (Aargau) in 2029.

“Switzerland has the oldest nuclear power plants in the world. Beznau I has been going for 47 years,” points out Regula Rytz, president of the Swiss Greens and co-chair of the Alliance for a planned phase-out of nuclear power. Using data from the International Atomic Energy Agency, the committee to support the initiative notes that the 151 nuclear power plants that had been closed around the world as of late 2015 had reached an average age of less than 26 years.

“Nuclear energy puts us in a state of permanent emergency. This is a high-risk technology, and its negative consequences are going to be around for thousands of years,” warns Rytz, referring to accidents at Windscale (Britain, 1957), Three Mile Island (US, 1979), Chernobyl (Ukraine, 1986) and Fukushima.

What will replace nuclear power? While supporting the basic principle of the initiative, the Swiss government opposes the constitutional amendment put forward by the Greens. Fixing a time limit, it says, means having to implement “too hurried a shut-down of Swiss nuclear plants, thus requiring major imports of electricity from abroad”. The government is instead holding to the “orderly and step-by-step” phase-out detailed in its Energy Strategy 2050, which was recently endorsed by parliament.

Energy Minister Doris Leuthard, one of the key players in the energy shift announced five years ago, warns that if the initiative is accepted, the country will not be ready with renewable energies. “We will have to import power from abroad, produced by coal- and gas-fired stations. Is this really what the Greens want?” she asks.

As far as advocates of the initiative are concerned, however, finding a clean alternative to nuclear power is not likely to be a problem. Renewable sources (water, wind and sun) and progress in energy efficiency will pick up the slack from nuclear power, they maintain.

About 40,000 clean energy projects have applied for incentive funding from the government, notes Rytz. “On their own, these could provide electricity equivalent to the output of Mühleberg and Beznau I and II.”

Billions to phase out power plants

One thing bothering the government is the likelihood of steep demands for compensation from the operators of nuclear power plants that would be facing early closure. Former head of the Axpo electricity company Heinz Karrer, quoted in the daily Neue Zürcher Zeitung, has said compensation could amount to billions of francs.

As part of the price-tag for phasing out nuclear power, the business lobby economiesuisse – currently headed, as it happens, by Heinz Karrer – points to the costs of dismantling the stations and managing the waste……..http://www.swissinfo.ch/eng/november-27-vote_is-time-up-for-nuclear-power-in-switzerland-/42506884