By Marcus Leach

Scottish Power has announced increases for both domestic gas and electricity prices that will affect in the region of 2.4 million households.

This move follows a prolonged rise in wholesale energy costs since November 2010 and continuing volatility in global energy markets. From 1st August 2011 domestic gas bills will increase by an average of 19% and domestic electricity bills by an average of 10%.

The utilities company will begin notifying affected customers from 11th June 2011, giving them at least 30 days notice before the price change is due to take effect and advising them of the options available.

"Wholesale prices for gas and electricity have increased significantly since the end of last year and continuing unrest in global energy markets means future prices are volatile," Raymond Jack, Scottish Power's UK retail director, said.

"We understand times are difficult for many people, and we have done what we can to absorb these additional costs for as long as possible to minimise the impact on our customers.

"Some of our customers could save an average of £459 per year by making simple changes to the way they pay for their energy, switching to paper-free online billing and selecting one of our new or existing energy products."

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