Switzerland doesn’t want new nuclear energy stations to finish the power transition, based on a report by 19 power specialists from ETH Zurich and the Paul Scherrer Institute (PSI), the nation’s main nuclear-research centre. They conclude that a system based mostly on hydropower and photo voltaic power, supplemented by wind energy and electrical energy storage, can present a safe provide with out constructing new reactors.
The researchers don’t dismiss nuclear energy altogether. They argue that new reactors may scale back Switzerland’s dependence on imported electrical energy in the course of the winter and subsequently stay a authentic option. But they conclude that the financial and political hurdles are formidable.
For new nuclear plants to change into commercially viable, a number of situations would have to be met. The know-how would require substantial authorities help, as different low-carbon power sources already obtain. Investors would additionally want state ensures to cowl the monetary dangers. Above all, development prices must fall properly under these of lately accomplished initiatives in France and Finland, each of which suffered main delays and price overruns.
The report reinforces conclusions reached in two different current assessments: a evaluate by the Swiss Academies of Sciences revealed final 12 months and an evaluation by the power firm Axpo earlier this 12 months. All three conclude that new nuclear energy is technically doable however extremely unsure. The major obstacles are financial reasonably than technological. Any critical accident overseas, much like the Fukushima catastrophe, may additionally quickly alter the political local weather.
The research additionally agree that Switzerland has credible alternate options. Expanding photo voltaic technology is usually considered faster, cheaper and politically simpler than constructing new reactors. Continued funding in battery and different storage applied sciences may more and more offset the intermittent nature of renewable electrical energy technology.
The debate is subsequently much less about whether or not nuclear energy is technically possible than whether or not it represents probably the most sensible path to decarbonisation. The Federal Council and a majority in Parliament have lately backed lifting the ban on new nuclear energy stations. Because the change would nearly actually face a referendum, the ultimate determination is more likely to relaxation with Swiss voters.
The three experiences are additionally sceptical in regards to the prospects for so-called Generation IV reactors. Advocates argue that these designs can be safer, cheaper and produce much less radioactive waste. But for now these claims stay largely theoretical. Axpo, along with many of the scientists concerned within the newest research, concludes that such reactors are unlikely to make a significant contribution to Switzerland’s electrical energy provide earlier than 2050.
More on this:
ETH Zurich study (in English)
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