DTEK said this in a post on Telegram, Ukrinform reports.
"Another difficult night for the Ukrainian energy industry. The Russians shelled DTEK's thermal power plant. Three of our colleagues were injured. Doctors are providing them with all possible assistance," the post reads.
The company added that the plant's equipment had been seriously damaged. Power engineers are currently working to eliminate the consequences of the attack.
Read also: Overnight Russian attack: Ukraine's energy infrastructure damaged in four regionsDTEK said this was already the seventh massive attack on the company's thermal power plant in the last three months.