Throughout the evening, Moscow's aerial assaults have led to electricity outages in large parts of Ukraine's capital, Kyiv.
Several individuals were injured while inhabitants in the city's east were plunged into darkness and encountered disruption to drinking water, according to municipal leaders.
Meanwhile, a minor was fatally injured in a distinct aerial attack in the Zaporizhzhia region in the southeastern part, according to regional authorities.
Russian forces has intensified strikes on power infrastructure over the last fortnight, while officials has called for "substantial measures" from allies to exert influence on Moscow.
"What's needed is not symbolic gestures but firm measures - from the America, Europe and the G7 - in providing defensive weapons and enforcing penalties," he wrote in a social media post.
Authorities reported that 450 drones and several dozen projectiles struck the country's power systems, describing such attacks as "premeditated" and against "essential services" as the weather cools.
Government representatives said Moscow was "inflicting a massive strike" and maintenance teams were striving to repair systems.
A barrage of missiles damaged electrical systems and residential structures in Kyiv.
Several of the people injured in the assaults on the capital have been taken to hospital, as confirmed by local officials.
Regional authorities said the city came under heavy assaults during nighttime hours. A seven-year-old child lost their life and multiple civilians were wounded.
The strikes succeed periods of aerial attacks in the territory, parts of which remain under the control of invading troops.
All of Ukraine is under warning for sophisticated projectile assaults, which are harder to spot.
Government officials told the media that Russia was deliberately attempting to demolish the national power system, with strikes already affecting energy systems.
Authorities confirmed utility staff and government agencies were preparing for additional strikes.
