Overnight, Moscow's aerial assaults have led to power cuts in multiple districts of Ukraine's capital, the Ukrainian capital.
Nine people were wounded while local people in eastern neighborhoods were plunged into darkness and faced problems to water systems, according to city officials.
Meanwhile, a minor was lost their life in a separate Russian drone strike in the Zaporizhzhia area in the country's south-east, based on information from area administrators.
Russian forces has increased attacks on electrical systems over the last fortnight, while Ukrainian leadership has called for "real steps" from partner nations to apply pressure on Russia.
"What is required is not symbolic gestures but firm measures - from the United States, the EU and the Group of Seven - in delivering defensive weapons and implementing restrictions," he wrote in a social media post.
He said that hundreds of unmanned aircraft and more than 30 rockets attacked energy facilities, describing such strikes as "strategic and deliberate" and against "critical infrastructure" as temperatures become colder.
Energy officials said Moscow was "launching a major assault" and technical staff were laboring to fix the damage.
A wave of strikes hit power facilities and apartment buildings in Kyiv.
Five out of the nine people hurt in the assaults on the city have been hospitalized, as confirmed by city authorities.
Area administrators said the metropolitan region came under intense attacks overnight. A minor was killed and three other people were injured.
The assaults come after evenings of bombing campaigns in the region, sections of which are occupied by Russian forces.
The entire country is under warning for advanced weapon attacks, which are more difficult to identify.
Government officials told the media that Moscow was deliberately attempting to demolish the country's energy grid, with strikes already disrupting fuel infrastructure.
He said energy workers and authorities were preparing for further attacks.