S · Glossary
Switching mechanics across suppliers
Switching mechanics across suppliers describes the administrative steps, timings and consumer protections used when a household moves a gas or electricity account from one energy supplier to another.
Switching mechanics across suppliers means the process for moving a household gas or electricity account from one supplier and tariff to another. Ofgem says a household switch should take up to five working days unless the customer asks for a later date, and new domestic contracts can be cancelled within 14 days. Fixed tariffs may have exit fees, debt can block some switches after 28 days and prepayment-meter customers can still switch with up to £500 of debt for gas and £500 for electricity. The term is separate from tariff suitability, SEG export setup, export MPAN, DNO approval, MCS certification, smart-meter compatibility, device-control settings and proof of lower bills.
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Category
Standards, schemes and certification
Applies to
Solar, Battery storage, EV charging, Heat pumps & AC
Last reviewed
16 Jun 2026