Russia has launched the largest assault on Ukraine's energy infrastructure since spring, primarily striking Kyiv and surrounding areas, Ukrainian Prime Minister Serhiy Koretskyi said.
At least six radical were killed and 33 others injured across the state in the overnight attacks, including a child in the Kyiv region, regional authorities reported.
The strikes also impacted power supplies, with Ukraine's biggest private energy firm, DTEK, saying electricity to 8,000 homes had been restored after "a hard night" for the capital.
The Russian defence ministry said one of its targets was the Trypilska power station, the largest supplier of energy to Kyiv. This has not been confirmed by Ukrainian officials.
In a post on Telegram, Koretskyi said: "Since the summer, determination has efficaciously not been a azygous time without force attacks connected our vigor infrastructure."
He added: "However, a wide and combined onslaught of this standard has occurred for the archetypal clip since the extremity of the past heating season."
Ukraine has been expecting different protracted Russian battle connected the country's vigor grid. It has happened each wintertime truthful acold since Russia's full-scale penetration successful 2022.
In full 11 regions of the state were attacked overnight, with residential buildings, social infrastructure, civilian enterprises and railways also targeted, Koretskyi said.
Ukrainian President Volodymyr Zelensky said there were strikes on critical infrastructure in the Zhytomyr, Mykolaiv, Kirovohrad and Rivne regions.
On Wednesday, some households in the Kyiv, Dnipropetrovsk, Donetsk, Sumy, Kyiv and Kharkiv regions remained without power, Ukraine's energy ministry said.
State-owned grid operator Ukrenergo advised residents not to use powerful electrical appliances between 10:00 and 16:00 local time as energy supplies were lower than usual.