Ukraine is heading into what senior aid officials describe as the toughest winter since the full-scale invasion began, with damaged energy networks and falling temperatures raising fears for millions of people, according to reports.
The warning centres on repeated strikes against power, heating and water systems. Officials say repairs are continuing under difficult and often dangerous conditions, with crews returning to damaged sites despite frequent air alerts. Starting the season from an already weakened position has left less spare capacity when new damage occurs.
Winter temperatures in parts of Ukraine can fall far below freezing. If electricity and heating are interrupted for long periods, officials warn that water and sewage systems can also stop working, turning a power problem into a wider humanitarian emergency, particularly for older people, children and families in damaged housing.
To reduce the risk, engineers are working to repair transmission lines and rebuild generation capacity, while also developing smaller, decentralised energy plants that may be less vulnerable to a single strike. According to reports, that work is being described as a race against the clock before the coldest months arrive.
Humanitarian agencies say the coming weeks will be critical. Continued attacks on civilian infrastructure, combined with the strain of more than four years of war, mean that even localised outages could have severe consequences if they coincide with extreme cold.
Local authorities are also preparing public advice for prolonged blackouts, including warming points and guidance on protecting water pipes and vulnerable neighbours. According to reports, aid groups are prioritising generators, fuel and repair materials for hospitals and municipal services, where a loss of heat or power can quickly affect large numbers of people who have no alternative shelter.
For families away from the front line, the concern is cumulative rather than a single night of cold. Repeated outages wear down reserves, interrupt schooling and medical care, and make ordinary tasks such as cooking, charging phones and reaching relatives harder. That is why officials are stressing preparation now, while there is still time to move equipment and complete the most urgent repairs before temperatures drop further.

