During the night, Russian missile and drone strikes have caused blackouts in large parts of Ukraine's capital, the Ukrainian capital.
Nine people were wounded while residents in eastern districts were plunged into darkness and dealt with disruption to water systems, according to city officials.
Meanwhile, a young boy was fatally injured in a different assault in the Zaporizhzhia region in the southern area, according to regional authorities.
Russian forces has intensified assaults on power infrastructure over the past few days, while Ukrainian leadership has requested "concrete actions" from allies to increase pressure on Russia.
"The necessity is not symbolic gestures but decisive action - from the US, Europe and the Group of Seven - in delivering air defence systems and enforcing restrictions," he wrote in a online statement.
He said that hundreds of unmanned aircraft and more than 30 rockets struck the country's power systems, describing such strikes as "strategic and deliberate" and against "everything that sustains normal life" as winter approaches.
The energy minister said Moscow was "conducting extensive attacks" and maintenance teams were striving to repair systems.
A series of attacks hit power facilities and residential structures in the capital.
Several of the people hurt in the assaults on the capital have been taken to hospital, per statements from local officials.
Regional authorities said the metropolitan region experienced intense attacks overnight. A young boy died and three other people were hurt.
The assaults succeed evenings of aerial attacks in the region, parts of which remain under the control of Moscow's military.
All of Ukraine is on alert for advanced weapon attacks, which are harder to spot.
National leaders told the media that Russia was intentionally trying to demolish the national power system, with attacks already disrupting gas facilities.
He said energy workers and government agencies were bracing for further attacks.
