Scottish Power is to raise the cost of gas by 19% and the cost of electricity by 10%.
The utility firm said the increase, which would affect 2.4 million households in the UK, would come into effect from 1 August.
Affected customers will see an average daily rise to a dual fuel energy bill of 48p per day.
The company said the move reflected sustained increases in the wholesale energy market.
Rob Santler, EosSolar says installing Solar Panels helps protect consumers against rising energy costs.
For full story see BBC news.