Two staff of the Transmission Company of Nigeria (TCN) were injured on Saturday when their vehicle hit a landmine suspected buried by Boko Haram.
The incident occurred at Mainok in the Kaga Local Government Area of Borno State.
A team of engineers from the TCN and Yola Electricity Distribution Company (YEDC) was on their way to some sites.
The officials had been sent to fix facilities damaged during terror attacks. Areas in Maiduguri and environs have been in darkness.
The wounded staff were evacuated to the University of Maiduguri Teaching Hospital (UMTH) and are receiving treatment.