200,000 electricity and gas customers of Prepaypower are to benefit from a cut in prices.
The pay as you go providers is reducing its unit rate for electricity by 2.5%.
The unit rate for gas will fall by 11.5%.
The changes come into effect from April 1 and will result in an average dual fuel customer realising savings of €97 a year.
The move follows last week's announcement by Electric Ireland that it is reducing its residential electricity and gas customers from April 1.
It will also cut its electricity unit prices by 2.5% and gas unit prices by 11.5% for its 1.2 million residential customers.