During the night, Moscow's aerial assaults have caused electricity outages in extensive areas of the capital city, Kyiv.
A number of civilians were wounded while local people in the city's east were left without electricity and faced interruptions to water supplies, according to local authorities.
At the same time, a minor was killed in a distinct aerial attack in the Zaporizhzhia area in the country's south-east, based on information from local officials.
Moscow has increased strikes on electrical systems over recent weeks, while officials has called for "concrete actions" from international partners to exert influence on Moscow.
"What's needed is not window dressing but firm measures - from the US, Europe and the G7 - in delivering defensive weapons and implementing sanctions," he wrote in a social media post.
Authorities reported that 450 drones and several dozen projectiles struck Ukraine's energy infrastructure, characterizing such strikes as "premeditated" and against "essential services" as temperatures become colder.
Government representatives said Moscow was "conducting extensive attacks" and maintenance teams were working to fix the damage.
A wave of strikes damaged electrical systems and apartment buildings in the capital.
Several of the people injured in the attacks on the city have been hospitalized, as confirmed by local officials.
Regional authorities said the metropolitan region experienced significant strikes during nighttime hours. A young boy lost their life and three other people were injured.
The assaults come after evenings of air raids in the region, portions of which are occupied by Moscow's military.
The entire country is on alert for hypersonic Kinzhal missile strikes, which are tougher to identify.
Government officials told the media that Moscow was purposely seeking to damage the national power system, with assaults already disrupting energy systems.
He said technical personnel and authorities were bracing for more assaults.
