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Why It Is OpenFinland's Onkalo repository, the furthest advanced in the world, remains without an operating licence as of early 2026, with the regulator STUK's decision delayed until the end of June 2026, while the United States shelved its Yucca Mountain repository in 2010 after decades of preparation and billions of dollars of investment, with no replacement site designated since. No country has yet begun routine operation of a deep geological repository for high-level waste, so estimates of when this technology will be proven at scale rest on regulatory and political timelines as much as engineering ones. 1 What Would Resolve ThisOnkalo receiving its operating licence and beginning waste emplacement, or a comparable repository elsewhere reaching the same milestone, would establish a real-world operating timeline rather than a projected one. 1 Discipline NeededNuclear engineering and geology, together with energy policy 1 Question Kind Question Status Reader Facing Open Question
Finland's Onkalo repository, the furthest advanced in the world, remains without an operating licence as of early 2026, with the regulator STUK's decision delayed until the end of June 2026, while the United States shelved its Yucca Mountain repository in 2010 after decades of preparation and billions of dollars of investment, with no replacement site designated since. No country has yet begun routine operation of a deep geological repository for high-level waste, so estimates of when this technology will be proven at scale rest on regulatory and political timelines as much as engineering ones.
What would resolve this Onkalo receiving its operating licence and beginning waste emplacement, or a comparable repository elsewhere reaching the same milestone, would establish a real-world operating timeline rather than a projected one.
OpenNuclear engineering and geology, together with energy policyWikipedia
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