Overnight, Moscow's aerial assaults have caused power cuts in large parts of the capital city, Kyiv.
Nine people were hurt while inhabitants in eastern neighborhoods were plunged into darkness and encountered problems to water systems, according to city officials.
At the same time, a young boy was fatally injured in a separate assault in the Zaporizhzhia region in the country's south-east, based on information from local officials.
Russian forces has intensified assaults on power infrastructure over the last fortnight, while Ukrainian leadership has demanded "substantial measures" from partner nations to increase pressure on Russia.
"What's needed is not window dressing but strong steps - from the United States, the EU and the Group of Seven - in delivering defensive weapons and applying restrictions," was stated in a social media post.
He said that 450 drones and more than 30 rockets struck the country's power systems, describing such assaults as "cynical and calculated" and against "critical infrastructure" as winter approaches.
Energy officials said Russia was "conducting extensive attacks" and technical staff were working to fix the damage.
A barrage of missiles struck electrical systems and apartment buildings in Kyiv.
Multiple people injured in the strikes on the city have been taken to hospital, according to local officials.
Regional authorities said the metropolitan region came under significant strikes throughout the evening. A minor died and multiple civilians were injured.
The strikes succeed nights of air raids in the territory, portions of which remain under the control of Moscow's military.
The entire country is on alert for sophisticated projectile assaults, which are tougher to detect.
Authorities told reporters that Russia was intentionally trying to demolish the national power system, with attacks already disrupting energy systems.
He said technical personnel and government agencies were preparing for additional strikes.