Power outages occurred all over Ukraine due to the activation of the automatic emergency response system in the energy infrastructure caused by a decrease in power grid frequency, DTEK has said.

The power outages started at 13:28, the energy holding said on the Telegram channel on Tuesday.

"Ukrenergo specialists are investigating the reasons for the decrease in frequency. As of 14:32, Ukrenergo granted permission to resume power supply," it said.

As reported, DTEK Kyiv Grids announced emergency shutdowns in the center of Kyiv and its restoration through alternative channels.