How to top up your prepayment electric or gas meter, what to do if you've lost your key or card, help if you can't top up, plus more.
Ofgem estimates the typical household in Britain uses 2,900 kWh of electricity, 12,000 kWh of gas or 4,200 kWh for E7 annually. Find out more about how Ofgem works out the typical use for the energy price cap.
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