npower have announced a price rise of 9.8%, effective 16 March 2017
The price rise, which breaks down to a 4.8% rise for gas and a whopping 15% for electricity, is the single-highest price rise from a big six supplier since 2013.
The npower price rise will affect the 1.4 million customers currently on a standard variable rate plan from the big six supplier.
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npower is the second big six supplier to announce a price rise for 2017, after EDF announced in December it would also raise its electricity prices by 8.4%.
To read more about this supplier, including full price history, customer satisfaction scores and where their average bill cost ranks among other gas and electricity suppliers, view uSwitch's npower supplier page.
What should I do about the npower price change?
If you're currently on npower's standard variable rate plan — either dual fuel, gas only or electricity only, you're prices will increase beginning 16 March 2017.
For dual fuel customers, this rise will equate to £109 per year on average.
To avoid this price rise, run an impartial energy comparison to check how much you could save by switching.