Utility officials say no one has been seriously hurt in an explosion at a coal-fired power plant northwest of Atlanta.

The chairman of Georgia's Public Service Commission, Chuck Eaton, said an apparent explosion struck Unit 2 at Plant Bowen on Thursday afternoon.

Georgia Power officials briefed Eaton on what happened. He said there were reports of people suffering bumps and bruises.

Georgia Power said there was one minor injury. The company said it is still investigating the cause of the explosion.

Plant Bowen’s four power-generating units are now offline.

In a statement, officials say one of the coal-fired power plant’s units was being taken out of service for maintenance when the explosion happened.

They said customers will not any service interruption and there’s no danger to the surrounding area near Euharlee and Cartersville.

Plant Bowen is one of Georgia Power’s largest power plants, capable of generating enough power for 1.75 million homes for a year.

Contributors: Material from the Associated Press was used in this report.

Tags: Georgia Power, explosion, coal-fired power plant, Plant Bowen