During the night, Moscow's missile and drone strikes have led to electricity outages in large parts of the capital city, Kyiv.
Several individuals were wounded while inhabitants in the city's east were left without electricity and encountered disruption to drinking water, according to city officials.
Meanwhile, a young boy was killed in a separate assault in the Zaporizhzhia area in the country's south-east, based on information from regional authorities.
Russian forces has increased assaults on electrical systems over the past few days, while officials has demanded "concrete actions" from international partners to apply pressure on Moscow.
"What's needed is not window dressing but strong steps - from the US, European nations and the G7 - in supplying protection systems and enforcing restrictions," was stated in a online statement.
Authorities reported that hundreds of unmanned aircraft and more than 30 missiles targeted energy facilities, labeling such attacks as "strategic and deliberate" and against "critical infrastructure" as the weather cools.
Government representatives said Russia was "launching a major assault" and maintenance teams were striving to repair systems.
A wave of strikes hit energy infrastructure and residential structures in Kyiv.
Several of the people injured in the attacks on the city have been transported for medical care, as confirmed by local officials.
Regional authorities said the metropolitan region experienced significant strikes throughout the evening. A minor was killed and three other people were injured.
The attacks succeed evenings of air raids in the area, sections of which are currently controlled by invading troops.
All of Ukraine is in a state of readiness for hypersonic Kinzhal missile strikes, which are tougher to identify.
Government officials told the media that Russia was purposely seeking to damage the electrical infrastructure, with strikes already impacting energy systems.
Authorities confirmed technical personnel and government agencies were bracing for further attacks.
