Overnight, Russian missile and drone strikes have caused blackouts in large parts of the capital city, Kyiv.
A number of civilians were wounded while inhabitants in eastern neighborhoods were experienced blackouts and encountered disruption to water supplies, according to local authorities.
At the same time, a minor was fatally injured in a separate Russian drone strike in the southeastern region in the country's south-east, according to regional authorities.
Russian forces has increased strikes on power infrastructure over recent weeks, while officials has requested "concrete actions" from international partners to increase pressure on Moscow.
"What's needed is not superficial actions but strong steps - from the United States, Europe and the Group of Seven - in delivering defensive weapons and enforcing sanctions," was stated in a online statement.
He said that numerous aerial vehicles and several dozen rockets targeted the country's power systems, describing such assaults as "cynical and calculated" and against "critical infrastructure" as temperatures become colder.
The energy minister said Moscow was "launching a major assault" and repair crews were working to fix the damage.
A barrage of missiles hit electrical systems and civilian homes in the capital.
Five out of the nine people hurt in the attacks on the capital have been taken to hospital, according to municipal representatives.
Area administrators said the urban area endured intense attacks during nighttime hours. A young boy died and three other people were injured.
The assaults come after periods of bombing campaigns in the area, parts of which remain under the control of Moscow's military.
The whole nation is under warning for sophisticated projectile assaults, which are more difficult to detect.
National leaders told journalists that Moscow was purposely seeking to damage the national power system, with assaults already affecting energy systems.
He said technical personnel and authorities were anticipating additional strikes.