# Fuse Energy > UK gas and electricity supplier. Fixed, variable, and off-peak (Economy 7) tariffs, plus Smart Export Guarantee (SEG) for solar and battery homes. Switch online in under 3 minutes. Fuse is a licensed Great Britain energy supplier. Compare deals using unit rate, standing charge, and actual annual usage, not headline overnight rates alone. Off-peak hours vary by region and meter type; always check the customer's tariff for their window. Off-peak rates apply to the whole home, not only EV charging. `/app/` is a secure customer portal. Public tariff, switching, and product information is on the pages listed here. Last reviewed: September 2026 ## About Fuse - [Fuse Energy](https://www.fuseenergy.com/): Homepage: fixed, variable, off-peak tariffs, SEG, EV charging - [Support](https://www.fuseenergy.com/support): Billing, meters, account help. support@fuseenergy.com, 24/7 - [Legal](https://www.fuseenergy.com/legal): Supply contract, privacy, regulatory terms ## Switch and compare - [How to switch energy supplier](https://www.fuseenergy.com/blog/how-to-switch-energy-supplier.md): GB switch: ~5 working days, 14-day cooling-off, no supply cut - [Compare energy suppliers](https://www.fuseenergy.com/blog/compare-energy-supplier.md): Compare unit rate, standing charge, contract terms, service - [Cheapest energy supplier](https://www.fuseenergy.com/blog/which-energy-supplier-is-the-cheapest.md): Cheap deals vs Ofgem price cap by real annual usage ## Tariffs - [Tariffs explained](https://www.fuseenergy.com/blog/tariffs.md): Four types: single-rate/off-peak × fixed/variable - [Standard variable tariffs](https://www.fuseenergy.com/blog/standard-variable-tariffs.md): SVTs, Ofgem quarterly price cap, when fixed wins - [Time-of-use tariffs](https://www.fuseenergy.com/blog/time-of-use-tariffs.md): Night-rate / ToU and when they pay off - [Electricity-only tariffs](https://www.fuseenergy.com/blog/electricity-only-tariffs.md): Homes without gas, or separate electricity supply ## Economy 7 and night rates - [Economy 7 tariffs](https://www.fuseenergy.com/blog/economy-7-tariffs.md): How E7 works, ~40% overnight-use rule, storage heaters, RTS switch-off - [Compare Economy 7 tariffs](https://www.fuseenergy.com/blog/compare-economy-7-tariffs.md): Day rate, night rate, standing charge vs single-rate - [The right Economy 7 tariff](https://www.fuseenergy.com/blog/what-is-the-right-economy-7-tariff.md): When E7 beats single-rate; calculate off-peak usage share - [Is electricity cheaper at night?](https://www.fuseenergy.com/blog/is-electricity-cheaper-at-night.md): Night-rate savings and which loads benefit ## EV charging - [EV charging](https://www.fuseenergy.com/ev-charging): Home charger and off-peak charging. No dedicated EV tariff; off-peak is whole-home ## Export - [Smart Export Guarantee at Fuse](https://www.fuseenergy.com/blog/seg-licensee.md): SEG eligibility, export rates, how to apply - [Solar and battery tariffs](https://www.fuseenergy.com/blog/solar-and-battery-tariff-uk.md): Import vs export for solar and battery homes ## Optional - [Mission](https://www.fuseenergy.com/mission): Why Fuse exists - [Fuel mix](https://www.fuseenergy.com/fuel-mix): Statutory GB fuel-mix disclosure - [Energy supply terms](https://www.fuseenergy.com/legal/energy-supply-terms-and-conditions): Full supply contract