We are making changes to the Ofgem website from Tuesday 12 to Thursday 14 August. Some things may not work as expected.
These key terms have been designed as a reference tool when you need more detail on a specific topic.
The Department for Business, Energy and Industrial Strategy (BEIS) existed until 2023 and was split to form the Department for Business and Trade (DBT), the Department for Energy Security and Net Zero (DESNZ).