Written Question·Department for Energy Security and Net Zero·UIN 36305

Tabled: 20 October 2026

Question

Ms Julie Minns

Labour — Carlisle

To ask the Secretary of State for Energy Security and Net Zero, pursuant to the Answer of 19 October 2026 to Question 31002 on Thermal Energy Storage, for what reason the eligibility criteria for the Ultra-Long Duration Energy Storage Challenge is restric