Energy suppliers have different policies on whether to pass on costs incurred from Meter Operators to change a customer from a prepayment to a credit meter. Suppliers may waive charges for vulnerable consumers. DECC understands that companies that make no charge include British Gas, EON and EDF. The following table shows the energy supply companies that charge. £ Supplier Chargefor gasPPM Chargefor electricityPPM Npower 60 60 ScottishPower 62.90 45.91 SSE 52.00 52.00 Co-op 69.02 66.15 Ebico 52.00 52.00