Why Putin Ordered Mass Strikes on Ukraine’s Energy System Before Winter

Russia framed Vladimir Putin’s September 1 order for mass strikes on Ukraine’s energy infrastructure as retaliation. At a press conference after the Shanghai Cooperation Organisation summit, Putin said Ukrainian attacks on Russian civilian infrastructure and the fuel-and-energy sector would receive a response. 5613

That explanation describes Moscow’s stated justification, not an independently established cause. But the sequence was clear: Ukraine had intensified long-range attacks on Russian oil facilities, and Russia then escalated strikes against Ukrainian energy and urban infrastructure.

What Russia cited as retaliation

Russian officials and Russian media pointed to a series of Ukrainian attacks on oil and energy sites, including:

• The Bashneft-Novoil refinery in Bashkortostan and the Slavneft-YANOS refinery in the Yaroslavl region. Ukraine said the attacks were intended to restrict oil revenues that help finance Russia’s war. 19
• The Gazprom Neftekhim Salavat oil-refining and petrochemical complex, where Ukrainian officials reported a fire after a drone strike. 17
• Lukoil’s Perm refinery, which Ukraine said it had struck with long-range weapons.
• The Novatek-Ust-Luga oil-processing complex at Russia’s Baltic port of Ust-Luga. Ukrainian authorities said key processing equipment was hit and that the attack caused a fire; Russian regional officials also reported a fire in the port area after an overnight drone attack. 10

Putin also referred to Ukrainian drone activity near Moscow and St Petersburg when announcing the planned response. 69 In his public account, the Russian president linked those attacks to preparations for a large-scale campaign against Ukraine’s energy facilities. 513

What happened in Odesa and Kyiv

The retaliatory strikes quickly affected more than power infrastructure. In the Odesa region, Russian attacks hit energy facilities as well as port-export infrastructure and a border crossing with Romania. Ukrainian officials said the damage caused extensive electricity outages, while emergency services reported a fire at a residential building.

A separate overnight attack on September 2 left more than 350,000 households in Odesa Oblast without power at one point. Energy workers began repairs when conditions allowed, but a large number of households remained disconnected during the initial restoration effort.

In Kyiv, Russian drones struck central areas during a seventh consecutive day of attacks. Reuters reported 11 wounded people and damage to residential and university buildings, describing an air campaign that disrupted daily life and logistics.

The result was a combined impact on civilians and infrastructure: injuries, damaged homes and educational buildings, power outages, and disruption to transport, exports and ordinary urban services. Reports also described attacks involving residential and other civilian areas in both the Kyiv and Odesa regions.

Why the timing before the October heating season is significant

Ukraine’s energy system was already entering the next heating season with limited room for further damage. An assessment published in August said Russian attacks had damaged more than 9 gigawatts of thermal, hydropower and combined-heat-and-power capacity since October—more than half of the roughly 17.6 GW of generation capacity available for the previous heating season. The same assessment said Ukraine had restored about 4 GW and was attempting to restore another 6 GW before the 2026–27 heating season.

The danger is not limited to the loss of electricity. Damage to generation, substations and heating infrastructure can affect water pumping, district heating, communications and transport. Repeated strikes can also damage repaired facilities before they return to reliable service, leaving cities more exposed when winter demand rises.

Ukraine’s air-defence shortage increases the risk

The planned campaign also comes as Ukraine faces a shortage of interceptors, particularly for ballistic missiles. The Institute for the Study of War assessed that Russia might begin its next winter strike campaign earlier to exploit Ukraine’s depleted stocks. It also cited President Volodymyr Zelensky’s statement that Ukraine was receiving almost three times fewer anti-ballistic-missile interceptors than at the beginning of 2026.

That shortage makes large, mixed attacks harder to stop. Russia can combine drones, decoys and missiles to overwhelm limited air-defence resources, while fast-flying drones create an additional interception challenge in attacks around Kyiv.

Ukraine’s preparations still have a measurable gap

Kyiv is trying to reduce the vulnerability of centralized infrastructure by expanding small gas-fired generation and backup power for heat and water facilities. But an assessment published on September 1 said those facilities had 920 MW of backup power against an identified need of 1,215 MW—a shortfall of almost 300 MW. The government expected scheduled preparations to be completed by October 1.

The same report said 1.8 GW of small gas-fired generation was already operating nationwide, with another 1.1 GW being installed or prepared. Those measures could improve resilience, but they do not eliminate the risk posed by sustained attacks on generation and transmission assets before the winterization work is complete.

The broader escalation

The exchange shows how the war’s energy front is becoming increasingly reciprocal: Ukraine is targeting Russian oil infrastructure to pressure fuel production and war financing, while Russia is threatening Ukraine’s electricity and heating system in response. 19

For Ukraine, the immediate concern is therefore not only whether Russia carries out the promised mass strikes, but whether it can sustain a campaign during the narrow period when repairs, distributed generation and air-defence replenishment are still unfinished. The September 2 attacks demonstrated the potential consequences in advance: damaged urban infrastructure, civilian injuries and large-scale power disruption before the heating season had even begun.