Overnight, Moscow's aerial assaults have resulted in blackouts in large parts of the capital city, Kyiv.
Several individuals were wounded while local people in the city's east were left without electricity and dealt with disruption to water systems, according to local authorities.
At the same time, a young boy was fatally injured in a separate aerial attack in the Zaporizhzhia area in the southeastern part, based on information from area administrators.
Russian forces has intensified attacks on energy facilities over the last fortnight, while the country's government has requested "concrete actions" from international partners to increase 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 implementing restrictions," he wrote in a social media post.
Officials stated that hundreds of unmanned aircraft and several dozen missiles targeted Ukraine's energy infrastructure, describing such attacks as "cynical and calculated" and against "critical infrastructure" as the weather cools.
Energy officials said Russia was "conducting extensive attacks" and repair crews were working to restore power.
A barrage of missiles hit electrical systems and residential structures in Kyiv.
Multiple people injured in the assaults on the city have been hospitalized, per statements from municipal representatives.
Local officials said the city came under intense attacks overnight. A seven-year-old child died and three other people were hurt.
The assaults succeed evenings of air raids in the region, sections of which are occupied by Moscow's military.
The entire country is under warning for advanced weapon attacks, which are harder to detect.
Government officials told journalists that Russia was intentionally trying to damage the country's energy grid, with attacks already disrupting energy systems.
He said energy workers and government agencies were anticipating further attacks.