Throughout the evening, Russian missile and drone strikes have caused electricity outages in extensive areas of Ukraine's capital, Kyiv.
Nine people were injured while residents in eastern districts were experienced blackouts and encountered problems to drinking water, according to city officials.
Simultaneously, a young boy was lost their life in a separate assault in the Zaporizhzhia area in the southern area, according to local officials.
Moscow has intensified strikes on electrical systems over the last fortnight, while officials has requested "real steps" from international partners to increase pressure on Russia.
"What's needed is not window dressing but decisive action - from the US, European nations and the G7 - in supplying protection systems and implementing penalties," he wrote in a public message.
He said that hundreds of unmanned aircraft and several dozen projectiles targeted energy facilities, labeling such assaults as "strategic and deliberate" and against "essential services" as temperatures become colder.
Energy officials said Moscow was "launching a major assault" and maintenance teams were laboring to fix the damage.
A wave of strikes damaged electrical systems and civilian homes in Kyiv.
Several of the people hurt in the assaults on the city have been hospitalized, as confirmed by local officials.
Regional authorities said the urban area endured significant strikes during nighttime hours. A minor was killed and three other people were injured.
The strikes follow periods of air raids in the territory, sections of which remain under the control of Russian forces.
All of Ukraine is under warning for sophisticated projectile assaults, which are more difficult to spot.
Authorities told journalists that Moscow was purposely seeking to demolish the national power system, with attacks already impacting fuel infrastructure.
Authorities confirmed utility staff and officials were anticipating further attacks.