The Enugu State Electricity Regulatory Commission (EERC) has directed MainPower Electricity Distribution Company to refund over 20,000 customers who were overbilled in April.
In a notice on Monday, the commission said the order was issued after a comprehensive investigation into the company’s billing practices uncovered a notable rise in estimated billing violations.
The notice was signed by Chijioke Okonkwo, the EERC’s chairman, and Reuben Okoye, its commissioner in charge of market operations.
“The commission has issued an Order to MainPower to refund the affected customers the overbilled units for energy consumed in April 2025,” the EERC said.
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The commission said the list of affected customers is now available on its website, and MainPower has until the July 2025 billing cycle to complete the refunds.
The EERC also warned that non-compliance with the order will result in a daily fine of N500,000, as outlined in the Enugu State Electricity Law 2023.
The agency disclosed that it has been closely monitoring the DisCo’s billing practices since October 2024 and had sent multiple letters to the company to raise its concerns.
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The EERC said it took the enforcement action following the company’s failure to adequately address these issues ultimately.
“The commission recently reviewed MainPower’s April 2025 estimated report, and observed that the degree of violation of the caps on estimated billing by MainPower had further deteriorated from the 24 percent observed in February and March 2025, to 34 per cent in April, 2025,” the commission said.
The agency advised affected customers who did not receive their refunds by the deadline to contact them “via email :at [email protected] or call 09122642755 for assistance”.
In April 2024, the Nigerian Electricity Regulatory Commission (NERC) transferred oversight of the electricity market in Enugu state to the EERC.
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