Significant milestone for world-first underground repository | Nuclear Energy Insider

Significant milestone for world-first underground repository | Nuclear Energy Insider: Posiva – the Finnish waste management company, has laid the foundation stone for the used fuel encapsulation plant Onkalo, at Olkiluoto, with construction scheduled for completion in 2022. Construction of the world’s first permanent underground nuclear storage facility (costing an estimated EUR500 million (US$550 million) began in 2016 and once complete, it will store up to 6,500 tons of waste. Operation of the repository is expected to begin in 2023.