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Russia uses small drones to evade Ukraine's electrical substation defenses

Open-source analysis shows that Russia is using small drones to damage high-voltage substations of electricity in the frontline region of Sumy in northern Ukraine.

The Centre for Information Resilience in London is an open-source investigative group that has verified the footage of a new wave of strikes posted on Russian social media.

Throughout the war, Russia bombarded Ukrainian power plants, particularly in frontline regions. As a response, Ukrainian authorities covered high-voltage converters with concrete sarcophagis and anti-drone webs.

Ukraine's frontline areas are also filled with electronic warfare systems, which aim to interfere with the radio signals that control drones.

As long as the thin, translucent fibre optic cable of small, agile First Person View (FPV), drones is not cut, or snagged, they are immune from?signal interfering.

RUSSIA SEEMS TO WANT UKRAINIAN REGIONS BLACKED OUT

Joshua Scriven, an investigator at CIR said that the Russians created holes in the protective net by first breaking it, before sending a drone through the gap.

Since May, Russia uses these drones to navigate the vast structures of a sarcophagus. They find their way through ventilation openings to a central piece of equipment called the autotransformer.

Oleksandr Kharchenko, the head of the Energy Research Centre, Kyiv, explained that removing the autotransformer (which in a substation with 330 kilovolts is worth around $3.5 million) will bring down the entire transformer.

CIR has confirmed four of these strikes on large, well-defended substations 330 kV, and at least another four on smaller substations 110 kV.

According to Deepstate, an independent producer of a battlefield map online, the locations of the strikes at 330 kV Substations range between 16 and 26 km (10-16 mi) from the frontline. This shows the increasing range of small fiber-optic drones.

They've been using these protective sarcophagi for a while now. Scriven stated that they protect against "missiles" and "Shaheds" (heavy duty drones).

The cost of a fibre-optic FPV RC drone is as low as $2,000.

The cost-benefit analysis is staggering.

Scriven stated that the strikes appeared to be a part of a Russian strategy to isolate Ukrainian areas from the national grid, and then to black out those regions by attacking the local power stations.

Sumy has suffered from Russian bombardment ever since the summer of 2024 when Ukraine launched a military offensive from its province into?Russian territories. After being pushed back last year, Russia launched an attack on Sumy.

Mykhailo Fedorov, Ukrainian Minister of Defence, said on Wednesday that the?security situation in the region had worsened since June.

He wrote: "Russian's goal is to terrorise the people and make their lives in the border regions unbearable."

The International Criminal Court issued arrest warrants for senior Russian military officers who were involved in attacks on Ukraine's electricity grid between 2022-2023.

Russia denies that it is targeting civilians, and claims all of its strikes are military in nature. (Reporting and editing by Kevin Liffey, Felix Hoske, Magdalini Gkogkou and Max Hunder; Additional reporting by Felix Hoske)

(source: Reuters)