Featured work

Department for Energy Security and Net Zero 2024-25

Published on:

Overview Departmental overview

DESNZ spent £6.7 billion in 2024-25 on a range of activities and arm’s-length bodies – an increase of £0.2 billion from 2023-24.

Energy and environment

A worker wearing a hard hat uses equipment in front of a wind turbine. Teal filter.

Latest work

Energy efficiency installations under the Energy Company Obligation

Published on:

Report Value for money

Household energy

Department for Energy Security & Net Zero Accounts 2024-25

Published on:

Report Financial audit

Energy and environment

Sizewell C

Winter 2025/26

Work in progress

Energy and environment

UK Emissions Trading Scheme

Published on:

Report Value for money

Climate change and net zero

Department for Energy Security & Net Zero 2023-24

Published on:

Overview Departmental overview

Energy and environment

Energy bills support: an update

Published on:

Report Value for money

Energy and environment

Decommissioning Sellafield: managing risks from the nuclear legacy

Published on:

Report Value for money

Nuclear power

Achieving environmental improvement and responding to climate change

Published on:

Insight Lessons learned

Climate change and net zero

Windfarm

Government’s approach to the environment and climate change 2023-24

Published on:

Overview Topic overview

Climate change and net zero

Search all our work on Department for Energy Security and Net Zero