Letter calling on large energy suppliers to explain wholesale price impact on...
This is our letter calling on large energy suppliers to explain the impact of falling wholesale prices on customer bills. You can view the responses received to the letter below."Dear,Wholesale CostsI...
View ArticleSupply market indicator – March 2014 to April 2015
Select from the documents below to view data published as part of our Supply Market Indicator (SMI) between March 2014 and April 2015. In May 2015 we suspended our monthly SMI publication to carry out...
View ArticleMethodology for the Supply Market Indicator
To make the energy market clearer for consumers, and to help them understand the outlook for the different costs that make up their energy bill, we publish a monthly...
View ArticleMonitoring trends in suppliers’ expected costs
Our market monitoring and consumer research forms a crucial part of our role as the regulator of the gas and electricity markets in Great Britain. One area that we prioritise in our monitoring work is...
View ArticleStandard variable tariff comparison: 28 November 2016
This page gives a snapshot of how ‘standard variable’ rate tariffs (SVTs) compare on average by supplier and against the cheapest available tariffs.These figures represent a typical dual fuel customer...
View ArticleMonitoring trends in suppliers’ expected costs - decision
Our market monitoring and consumer research forms a crucial part of our role as the regulator of the gas and electricity markets in Great Britain. One area that we prioritise in our monitoring work is...
View ArticleSupplier Cost Index: Methodology
On 19 January 2017 we launched our new Supplier Cost Index. The index draws on publicly-available...
View ArticleStandard variable tariffs: Latest trends at September 2017
This page gives the latest trends on how poor value default tariffs, particularly ‘standard variable’ tariffs (SVTs), compare across the 10 largest suppliers in the market. It shows the number of...
View ArticleStandard variable tariff indicators – previous updates
Select from the documents below to view text and charts published as part of previous updates to our standard variable tariff indicators on the Ofgem Data Portal:...
View ArticleSupplier Cost Index - previous updates
Select from the documents below to view text and charts published as part of previous updates to our Supplier Cost Index.
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