Nuclear Decommissioning Authority
The Nuclear Decommissioning Authority (NDA) is a non-departmental public body of the Department for Energy Security and Net Zero (formerly the Department for Business, Energy and Industrial Strategy) formed by the Energy Act 2004. It evolved from the Coal and Nuclear Liabilities Unit of the Department of Trade and Industry.
Source: Wikipedia — Nuclear Decommissioning Authority (CC BY-SA 4.0)