Throughout the evening, Moscow's aerial assaults have resulted in blackouts in multiple districts of Ukraine's capital, Kyiv.
Nine people were injured while inhabitants in the city's east were plunged into darkness and faced disruption to water systems, according to city officials.
At the same time, a young boy was fatally injured in a distinct aerial attack in the southeastern region in the southeastern part, as reported by regional authorities.
Moscow has intensified strikes on energy facilities over the last fortnight, while officials has demanded "real steps" from allies to increase pressure on Russia.
"What's needed is not superficial actions but firm measures - from the America, European nations and the Group of Seven - in delivering protection systems and enforcing restrictions," he wrote in a social media post.
He said that hundreds of unmanned aircraft and several dozen projectiles targeted energy facilities, labeling such strikes as "cynical and calculated" and against "critical infrastructure" as the weather cools.
Energy officials said Moscow was "launching a major assault" and maintenance teams were working to restore power.
A barrage of missiles struck power facilities and apartment buildings in the capital.
Several of the people injured in the assaults on the capital have been hospitalized, according to local officials.
Local officials said the city experienced significant strikes during nighttime hours. A seven-year-old child died and multiple civilians were hurt.
The attacks come after nights of air raids in the territory, sections of which remain under the control of invading troops.
All of Ukraine is on alert for advanced weapon attacks, which are more difficult to spot.
National leaders told the media that Russia was deliberately attempting to demolish the national power system, with attacks already affecting energy systems.
He said technical personnel and government agencies were bracing for further attacks.
