Throughout the evening, Russian missile and drone strikes have resulted in blackouts in large parts of the capital city, Kyiv.
A number of civilians were wounded while residents in eastern neighborhoods were plunged into darkness and faced problems to drinking water, according to local authorities.
Meanwhile, a minor was lost their life in a different aerial attack in the southeastern region in the country's south-east, according to area administrators.
Moscow has escalated attacks on energy facilities over the last fortnight, while the country's government has demanded "substantial measures" from allies to increase pressure on Moscow.
"The necessity is not superficial actions but decisive action - from the US, European nations and the Group of Seven - in providing air defence systems and enforcing penalties," was stated in a public message.
Authorities reported that hundreds of unmanned aircraft and several dozen missiles struck Ukraine's energy infrastructure, labeling such strikes as "cynical and calculated" and against "everything that sustains normal life" as temperatures become colder.
The energy minister said Russia was "conducting extensive attacks" and maintenance teams were laboring to repair systems.
A barrage of missiles struck electrical systems and apartment buildings in Kyiv.
Several of the people hurt in the strikes on the capital have been transported for medical care, as confirmed by city authorities.
Regional authorities said the urban area experienced significant strikes throughout the evening. A young boy lost their life and several individuals were wounded.
The attacks succeed periods of bombing campaigns in the territory, parts of which are occupied by invading troops.
All of Ukraine is under warning for sophisticated projectile assaults, which are more difficult to detect.
Government officials told the media that Russia was intentionally trying to destroy the electrical infrastructure, with attacks already disrupting fuel infrastructure.
He said utility staff and officials were anticipating more assaults.