Overnight, Moscow's aerial assaults have led to blackouts in multiple districts of Ukraine's capital, Kyiv.
Nine people were injured while inhabitants in the city's east were left without electricity and dealt with disruption to water supplies, as stated by local authorities.
At the same time, a young boy was lost their life in a different assault in the Zaporizhzhia region in the country's south-east, as reported by regional authorities.
Moscow has intensified attacks on power infrastructure over recent weeks, while officials has demanded "concrete actions" from partner nations to exert influence on Russia.
"What is required is not window dressing but firm measures - from the America, European nations and the G7 - in delivering defensive weapons and implementing penalties," was stated in a public message.
Officials stated that hundreds of unmanned aircraft and more than 30 rockets attacked Ukraine's energy infrastructure, describing such attacks as "cynical and calculated" and against "critical infrastructure" as the weather cools.
Energy officials said Russia was "launching a major assault" and technical staff were laboring to restore power.
A series of attacks hit electrical systems and apartment buildings in Kyiv.
Multiple people wounded in the attacks on the city have been transported for medical care, according to municipal representatives.
Local officials said the urban area came under intense attacks throughout the evening. A seven-year-old child died and three other people were injured.
The attacks succeed periods of air raids in the territory, sections of which are occupied by Moscow's military.
All of Ukraine is on alert for advanced weapon attacks, which are tougher to detect.
Government officials told the media that Moscow was intentionally trying to damage the national power system, with attacks already affecting energy systems.
Authorities confirmed technical personnel and authorities were bracing for additional strikes.
