Switzerland has concluded that its nuclear power plants in Goesgen and Leibstadt can remain economically viable for up to 80 years, a full 20 years longer than earlier estimates. This finding, detailed in a recent government report, underscores a strategic pivot to bolster energy security amid evolving regional challenges.
The report highlights that the necessary technical upgrades for both facilities are feasible under current projections for electricity prices and operational costs.
“The investments required for technical upgrades to ensure the long-term operation are likely to be economically viable, based on realistic assumptions regarding electricity price trends and costs,” Swiss Government Representatives stated. Goesgen, operational since 1979, and Leibstadt, online since 1984, stand to play a critical role in reducing the country’s reliance on winter energy imports by complementing renewable energy growth.
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This extended timeline aligns with broader policy shifts in Swiss energy planning. Last year, the government moved to prolong nuclear power usage beyond initial limits, a decision reinforced by draft legislation to overturn a 2018 ban on constructing new nuclear facilities. That prohibition, enacted after the 2011 Fukushima disaster, has been reevaluated in light of emission reduction goals, grid stability needs, and supply uncertainties following Russia’s invasion of Ukraine.
Notably absent from the report is Switzerland’s third nuclear site at Beznau, where two reactors are slated for decommissioning by 2033. The focus on Goesgen and Leibstadt signals a selective approach to nuclear longevity, prioritizing plants with stronger economic and technical outlooks.
Parallel to these developments, a parliamentary commission within the Committee for the Environment, Spatial Planning and Energy recently voted 13 to 12 in favor of lifting the ban on new nuclear builds. This narrow endorsement supports the Federal Council’s position and aligns with a counter-proposal to the Stop Blackout initiative, aiming for a technology-agnostic energy framework.
The commission projects that new nuclear capacity could secure supply from around 2050 if renewable targets falter, though opponents warn of financial burdens on the public and potential setbacks for renewable investment. The Council of States has already backed the repeal, with the National Council’s vote pending and a public referendum likely to settle the matter.
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