During the night, Moscow's missile and drone strikes have caused blackouts in large parts of Ukraine's capital, Kyiv.
Nine people were hurt while inhabitants in eastern neighborhoods were plunged into darkness and encountered disruption to drinking water, according to local authorities.
Meanwhile, a young boy was killed in a separate Russian drone strike in the southeastern region in the southern area, as reported by local officials.
Russian forces has intensified attacks on power infrastructure over the last fortnight, while officials has demanded "real steps" from allies to increase pressure on Moscow.
"What is required is not symbolic gestures but firm measures - from the US, European nations and the G7 - in providing defensive weapons and implementing restrictions," mentioned in a online statement.
Officials stated that hundreds of unmanned aircraft and several dozen projectiles struck energy facilities, labeling such strikes as "strategic and deliberate" and against "essential services" as winter approaches.
The energy minister said Moscow was "inflicting a massive strike" and repair crews were striving to restore power.
A barrage of missiles hit power facilities and residential structures in Kyiv.
Five out of the nine people wounded in the strikes on the capital have been hospitalized, according to municipal representatives.
Local officials said the metropolitan region came under intense attacks throughout the evening. A seven-year-old child died and multiple civilians were wounded.
The assaults follow nights of air raids in the region, portions of which remain under the control of Russian forces.
All of Ukraine is under warning for hypersonic Kinzhal missile strikes, which are harder to identify.
Authorities told reporters that Moscow was deliberately attempting to demolish the country's energy grid, with attacks already affecting energy systems.
Authorities confirmed utility staff and government agencies were preparing for further attacks.
