H1 UK BESS round-up

UK battery storage remained Europe's most advanced market through the first half of 2026, but slowing financial closes, a swelling Gate 2 pipeline and compressing revenues are now tipping it towards saturation. Our H1 2026 round-up tracks the half's biggest UK battery deals. From ContourGlobal's 500MW Scottish market entry and Fidra Energy's 1GW Leicestershire acquisition to the tolling and optimisation agreements reshaping how projects secure revenue.