Coinciding with Russia's invasion in February, prices in the UK have risen much more steeply than in the EU, reaching almost double the European average in July.
I’m skeptical about their consumption-weighted methodology. The charts for comparably sized economies/energy consumers are less starkly different (although yes, UK prices have still gone up a lot)
Latest comparison for household costs
From the source article:
https://www.euronews.com/my-europe/2022/08/26/soaring-energy-prices-how-does-the-uk-compare-with-europe