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Environment Agency - Home

Nuclear energy and radioactivity explained

Find out about the existing nuclear power stations, the proposed new power stations, and radioactive waste.

Nuclear power has been part of the UK’s energy mix for five decades. There are currently ten power stations across England, Scotland and Wales, providing upto 18 per cent of the electricity generated in the UK. By 2025 all but one of these power stations will be closed down as they reach the end of their expected working lives.

  • Sites we regulate

    There are 34 licensed nuclear sites in England and Wales that carry out a range of activities, from nuclear power production and defence related activities through to decommissioning and clean-up.

  • New nuclear power stations

    The United Kingdom (UK) needs new and replacement energy infrastructure that can provide secure, reliable, low carbon electricity.

  • Reactor life cycle

    We are involved throughout the entire lifecycle of a nuclear power station.

  • Managing nuclear waste

    Our role in managing nuclear waste

  • Decommissioning

    When nuclear sites in England and Wales reach the end of their operational lives, they need to be decommissioned and cleaned up.