Throughout the evening, Russian missile and drone strikes have resulted in blackouts in large parts of the capital city, Kyiv.
Nine people were wounded while residents in eastern districts were left without electricity and dealt with interruptions to drinking water, according to municipal leaders.
At the same time, a minor was killed in a distinct aerial attack in the southeastern region in the country's south-east, according to regional authorities.
Moscow has increased strikes on power infrastructure over the last fortnight, while officials has called for "concrete actions" from allies to exert influence on Russia.
"What is required is not superficial actions but firm measures - from the America, the EU and the Group of Seven - in supplying protection systems and enforcing restrictions," was stated in a online statement.
Authorities reported that numerous aerial vehicles and several dozen missiles attacked energy facilities, characterizing such assaults as "strategic and deliberate" and against "critical infrastructure" as the weather cools.
Government representatives said Moscow was "inflicting a massive strike" and maintenance teams were working to repair systems.
A series of attacks hit electrical systems and civilian homes in Kyiv.
Five out of the nine people wounded in the attacks on the city have been hospitalized, according to city authorities.
Local officials said the metropolitan region endured heavy assaults overnight. A seven-year-old child died and three other people were wounded.
The attacks come after periods of aerial attacks in the region, portions of which are occupied by Moscow's military.
All of Ukraine is in a state of readiness for sophisticated projectile assaults, which are tougher to identify.
Authorities told journalists that Moscow was purposely seeking to damage the national power system, with strikes already impacting energy systems.
Officials stated technical personnel and authorities were anticipating more assaults.