During the night, Russian missile and drone strikes have caused power cuts in large parts of the capital city, Kyiv.
Several individuals were wounded while local people in eastern districts were left without electricity and encountered interruptions to water supplies, as stated by city officials.
Meanwhile, a minor was fatally injured in a distinct assault in the Zaporizhzhia area in the country's south-east, according to area administrators.
Russian forces has escalated attacks on electrical systems over recent weeks, while officials has called for "real steps" from international partners to exert influence on Russia.
"What's needed is not symbolic gestures but firm measures - from the America, the EU and the major economies - in supplying protection systems and applying restrictions," was stated in a online statement.
Authorities reported that hundreds of unmanned aircraft and several dozen rockets struck Ukraine's energy infrastructure, describing such assaults as "premeditated" and against "critical infrastructure" as winter approaches.
The energy minister said Moscow was "launching a major assault" and maintenance teams were working to fix the damage.
A barrage of missiles hit power facilities and residential structures in the capital.
Five out of the nine people wounded in the strikes on the city have been transported for medical care, as confirmed by local officials.
Regional authorities said the metropolitan region came under significant strikes during nighttime hours. A seven-year-old child died and multiple civilians were wounded.
The attacks follow periods of aerial attacks in the territory, portions of which remain under the control of Russian forces.
All of Ukraine is under warning for advanced weapon attacks, which are tougher to detect.
Authorities told journalists that Moscow was intentionally trying to demolish the electrical infrastructure, with assaults already affecting gas facilities.
He said energy workers and officials were preparing for additional strikes.
