Overnight, Moscow's aerial assaults have caused blackouts in large parts of the capital city, Kyiv.
Nine people were hurt while inhabitants in eastern districts were plunged into darkness and dealt with disruption to water supplies, according to local authorities.
At the same time, a minor was lost their life in a different aerial attack in the Zaporizhzhia area in the southern area, according to regional authorities.
Russian forces has escalated assaults on energy facilities over the past few days, while Ukrainian leadership has called for "real steps" from international partners to apply pressure on Russia.
"What is required is not symbolic gestures but firm measures - from the America, Europe and the Group of Seven - in delivering protection systems and enforcing penalties," he wrote in a public message.
Officials stated that numerous aerial vehicles and more than 30 missiles targeted the country's power systems, describing such assaults as "cynical and calculated" and against "everything that sustains normal life" as the weather cools.
Government representatives said Russia was "conducting extensive attacks" and maintenance teams were striving to repair systems.
A wave of strikes damaged energy infrastructure and civilian homes in Kyiv.
Multiple people wounded in the attacks on the city have been taken to hospital, according to municipal representatives.
Area administrators said the city came under heavy assaults overnight. A young boy lost their life and three other people were injured.
The attacks come after evenings of air raids in the territory, sections of which remain under the control of Russian forces.
The whole nation is under warning for sophisticated projectile assaults, which are more difficult to detect.
Government officials told reporters that Moscow was intentionally trying to damage the national power system, with strikes already impacting energy systems.
Officials stated energy workers and officials were preparing for further attacks.