Yahoo Finance Npower: Energy Bills To Go Up On December 1
Energy giant npower has announced an increase in household tariffs of 9.3% for electricity and 11.1% for gas.
It said the price hikes would be imposed from December 1.
It is the third of the so-called big six energy firms to raise its prices in recent days.
On Thursday British Gas become the second major supplier of household energy to announce a rise in its prices - by an average 9.2%.
The company said its electricity and gas prices would rise by 10.4% and 8.4% respectively from November 23 - affecting 7.8 million households.
Rival SSE announced a price hike almost two weeks ago, raising its bills by 8.2% from November 15.
Prime Minister David Cameron has called the latest increase as "disappointing" and urged households to try to save money by switching suppliers.
But critics say it is more important to lock into a fixed tariff to avoid future rises.
E.ON, Scottish Power and EDF Energy are the big providers and are yet to make announcements on their winter pricing.
The price boost by npower comes just an hour after the Government confirmed a deal for EDF (Paris: FR0010242511 - news) to build Britain's first nuclear power station in a generation.
But the Chinese-backed plant at Hinkley Point in Somerset is not expected to be commissioned until 2023 at the earliest.
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