February 23, 2026
The biomass filter is live
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 →Matched Clean Power Index
Verifiable ratings of the renewable electricity UK suppliers actually deliver—hour by hour.
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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.
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January 15, 2026
Biomass filter coming to the Clean Power Index
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 →October 27, 2025
Matched Clean Power Index is live
Many British consumers pay for 100% renewable electricity. But how much are they actually getting? The Matched Clean Power Index reveals the truth behind green energy claims.
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