The Department for Energy Security and Net Zero (DESNZ)

The Department for Energy Security and Net Zero (DESNZ)is a ministerial department of the Government of the United Kingdom. It was established on 7 February 2023 by a cabinet reshuffle under the Rishi Sunak premiership. The new department took on the energy policy responsibilities of the former Department for Business, Energy, and Industrial Strategy (BEIS).

The department's first Secretary of State was Grant Shapps; he was previously the final Secretary of State at BEIS. The current secretary is Ed Miliband.

The department is scrutinised by the Energy Security and Net Zero Select Committee.