Overnight, Russian aerial assaults have caused blackouts in extensive areas of the capital city, the Ukrainian capital.
Nine people were hurt while local people in the city's east were left without electricity and dealt with interruptions to drinking water, according to city officials.
Meanwhile, a young boy was killed in a separate Russian drone strike in the Zaporizhzhia region in the southern area, according to regional authorities.
Moscow has intensified strikes on electrical systems over the past few days, while officials has called for "substantial measures" from allies to increase pressure on Russia.
"What is required is not superficial actions but decisive action - from the United States, the EU and the Group of Seven - in providing protection systems and implementing penalties," he wrote in a public message.
Authorities reported that numerous aerial vehicles and several dozen rockets targeted Ukraine's energy infrastructure, characterizing such attacks as "premeditated" and against "everything that sustains normal life" as the weather cools.
Energy officials said Moscow was "inflicting a massive strike" and technical staff were striving to repair systems.
A barrage of missiles struck electrical systems and residential structures in the capital.
Multiple people hurt in the assaults on the city have been transported for medical care, according to municipal representatives.
Regional authorities said the city endured significant strikes during nighttime hours. A young boy was killed and three other people were wounded.
The strikes come after periods of air raids in the area, parts of which remain under the control of invading troops.
The whole nation is under warning for sophisticated projectile assaults, which are harder to detect.
National leaders told the media that Russia was intentionally trying to damage the national power system, with attacks already impacting fuel infrastructure.
He said technical personnel and officials were bracing for further attacks.
