A worker was electrocuted and two others were injured while working at Rampal coal-fired power plant site on Saturday.
The deceased was identified as Sajib Mia, 17, son of Hasan Mia of Jhanjhania village in Rampal upazila in the district.
Officer-in-charge of Rampal police station Md Lutfar Rahman said Sajib and two other workers were injured as they received electric shock while cutting a rod with a machine at the under-constriction power plant.
Later, Sazib died while undergoing treatment at Khulna Medical College Hospital.
The body was handed over to his family, the OC said.