48,000 Electric Ireland customers overcharged on bills

Electric Ireland said there were not any inherent defects in its billing system, but rather a systems error that caused the issue. File picture

An estimated 48,000 Electric Ireland customers were overcharged on their electricity and gas bills, with some granted compensation, the energy regulator has said.

The Commission for Regulation of Utilities said the issue resulted in customers being overcharged for one year, by about €23 on average.