Overnight, Moscow's aerial assaults have resulted in power cuts in large parts of the capital city, Kyiv.
Nine people were hurt while inhabitants in the city's east were experienced blackouts and encountered disruption to drinking water, according to city officials.
Simultaneously, a young boy was killed in a separate assault in the Zaporizhzhia region in the country's south-east, as reported by area administrators.
Moscow has increased attacks on electrical systems over the last fortnight, while the country's government has demanded "concrete actions" from allies to apply pressure on Russia.
"The necessity is not symbolic gestures but firm measures - from the United States, the EU and the G7 - in supplying protection systems and enforcing restrictions," he wrote in a public message.
Authorities reported that numerous aerial vehicles and several dozen projectiles targeted energy facilities, describing such attacks as "cynical and calculated" and against "essential services" as temperatures become colder.
Government representatives said Russia was "launching a major assault" and technical staff were working to repair systems.
A series of attacks struck electrical systems and residential structures in Kyiv.
Several of the people injured in the attacks on the capital have been hospitalized, per statements from municipal representatives.
Area administrators said the city came under significant strikes throughout the evening. A seven-year-old child died and multiple civilians were wounded.
The attacks succeed evenings of aerial attacks in the area, portions of which are currently controlled by invading troops.
All of Ukraine is on alert for hypersonic Kinzhal missile strikes, which are harder to spot.
Government officials told reporters that Russia was intentionally trying to damage the electrical infrastructure, with attacks already disrupting energy systems.
Officials stated utility staff and government agencies were anticipating more assaults.