Verifiable ratings of the renewable electricity UK suppliers actually deliver—hour by hour.
Our Mission
Matched is an open-source, not-for-profit initiative to accelerate the practices that most rapidly decarbonise power. We use public data to rate how much renewable electricity UK households actually receive, hour by hour. Our methodology has been reviewed by 30+ experts across the sector.
Latest Insights
The 2025-26 Clean Power Index is taking shape. Three business suppliers join the index, one debuts in the top three, and four suppliers fall a long way. Here is every position change in one chart.
Read more →The biomass filter is now live on the Clean Power Index. It strips out biomass while correctly retaining biogas — and the impact on rankings is significant.
Read more →We're adding a biomass filter to the Clean Power Index. But first, we need to address data quality issues in Ofgem's REGO database where over 15% of 'biomass' generators appear to be misclassified.
Read more →