During the night, Russian missile and drone strikes have led to blackouts in large parts of the capital city, Kyiv.
Nine people were injured while local people in eastern neighborhoods were experienced blackouts and encountered interruptions to drinking water, per reports from city officials.
Meanwhile, a seven-year-old child was killed in a different aerial attack in the southeastern region in the southeastern part, as reported by local officials.
Russian forces has increased strikes on power infrastructure over recent weeks, while officials has requested "real steps" from partner nations to increase pressure on Moscow.
"The necessity is not window dressing but decisive action - from the United States, the EU and the major economies - in delivering defensive weapons and applying sanctions," was stated in a public message.
Authorities reported that numerous aerial vehicles and over thirty missiles targeted the country's power systems, characterizing such strikes as "strategic and deliberate" and against "critical infrastructure" as temperatures become colder.
Government representatives said Russia was "launching a major assault" and repair crews were working to repair systems.
A barrage of missiles struck electrical systems and apartment buildings in the capital.
Five out of the nine people injured in the attacks on the city have been hospitalized, according to city authorities.
Regional authorities said the city came under significant strikes during nighttime hours. A young boy was killed and multiple civilians were wounded.
The strikes come after evenings of aerial attacks in the area, sections of which remain under the control of Russian forces.
All of Ukraine is in a state of readiness for advanced weapon attacks, which are tougher to spot.
National leaders told journalists that Moscow was purposely seeking to damage the electrical infrastructure, with attacks already disrupting gas facilities.
He said energy workers and officials were bracing for further attacks.
