To increase transparency and improve trust, we publish a wide range of information on the retail energy markets and how they are working. Select from the below:
Retail market indicators
A suite of data covering market structure, prices and profits, and consumer engagement, which are updated on a regular basis throughout the year.
Retail energy market report
Our annual detailed commentary on recent trends in the retail markets.
Our ongoing programme of research used to inform our market monitoring and policy work.
Consolidated Segmental Statements
Every year, we require suppliers to publish information on their costs, revenues and profits as part of their consolidated segmental statements, or CSS.
Supplier Cost Index
We publish regular estimates of the trends in suppliers expected costs, to help improve transparency around what is driving the latest trends in prices.
Typical Domestic Consumption Values
Representative usage values consumers can use to more easily compare between supplier tariffs on a like-for-like basis.
Further market data
You can find a wider collection of data and indicators we publish in our monitoring of the market, including across wholesale energy markets and customer service in the Ofgem Data Portal.