British Gas Appointed to Take On Tomato Energy’s 23,000 Customers — What to Do Next (10 Nov 2025)
Ofgem has appointed British Gas as Supplier of Last Resort after Tomato Energy ceased trading. Here’s what affected households and businesses need to know today, including tariff, credit and switching guidance. UK — Monday, 10 November 2025: Energy regulator Ofgem has appointed British Gas to take over supply to Tomato Energy’s customers after the supplier confirmed it had ceased trading. The move covers around 15,000 domestic and 8,000 non‑domestic accounts (circa 23,000 in total). Ofgem says supply will continue as normal, and domestic credit balances are protected. Customers were switched to British Gas on Sunday, 9 November 2025, with account