Russian strikes cut power to nearly a million Ukrainian families across four oblasts last week. Ukraine's largest private energy company, DTEK, brought it back, fully or partly restoring electricity to 596 settlements in Donetsk, Odesa, Dnipropetrovsk, and Kyiv oblasts between 31 August and 6 September, the company said.

Russia is hammering Ukraine's power grid again as the cold season nears, and the country's winter-resilience plans were less than half complete at the start of September.

Odesa and Donetsk absorb the worst

Most of the week's work was in Odesa Oblast, which Russia has been striking without pause. Ukrainian crews there returned power to more than 366,000 families, DTEK said.

Much of that damage followed a massed missile-and-drone strike on the region's main energy facilities on 2 September, after which national operator Ukrenergo imposed temporary grid limits to keep damaged equipment from overloading.

Donetsk Oblast came close behind, with power restored to nearly 360,000 homes despite what the company called an extremely difficult situation for its repair teams. In Dnipropetrovsk Oblast, crews reconnected almost 172,000 homes, and in Kyiv Oblast nearly 9,000 more.

Strikes keep cutting the grid

The reconnections are happening under continued fire. Russia keeps attacking energy sites in Odesa and Dnipropetrovsk oblasts, damaging lines faster than they can be fully secured. DTEK crews can only begin repairs once the military and emergency services have cleared access to the damaged equipment.

"Russia keeps attacking our energy system. Despite everything, we keep working and restoring power — now on the 1,657th day," said Alina Bondarenko, chief executive of DTEK Grids.

Winter sharpens the threat

The timing is the danger. Ukraine has until the heating season to shore up a grid that Russia has spent the war trying to break.

This year's attacks have again concentrated on the energy system as temperatures start to fall.

Russia launched a massive attack on one of Ukraine’s DTEK thermal power plants, severely damaging equipment and forcing the facility to stop generating electricity, the energy company said on 18 August.

The strike comes as Russia continues its campaign against Ukraine’s energy infrastructure ahead of another winter, with Ukrainian officials warning that Moscow is expected to intensify attacks on critical civilian systems.

DTEK power plant sustains significant damage

DTEK said Russian forces heavily damaged equipment at one of its thermal power plants, forcing the station to halt electricity generation. The company did not identify the plant or provide an estimate of when it could resume operations.

DTEK’s thermal power plants have been attacked more than 230 times since the start of Russia’s full-scale invasion, according to the company.

During the previous major attack on 12 June, one DTEK employee was killed, the company said.

Ukraine faces another winter of energy attacks

The latest strike adds to extensive damage Russia has inflicted on Ukraine’s power system. Energy Minister Denys Shmyhal said earlier this month that Russia has destroyed or damaged more than 80% of Ukraine’s power-generating capacity.

Ukraine is preparing for another difficult winter after repeated Russian strikes last winter caused widespread damage to electricity and heating infrastructure.

Shmyhal has also warned that Russia could broaden its campaign this winter by targeting Ukraine’s water systems. Such attacks could make prolonged power outages significantly more dangerous for civilians by disrupting water supplies and sewage systems.

Kyiv Oblast faces mounting Russian attacks

The power plant strike came as Russia launched another large drone attack on Ukraine, with Kyiv Oblast the main target. Ukraine’s Air Force said dozens of drones were launched during the day, with most intercepted or suppressed by Ukrainian air defenses.

The latest assault is part of a broader pattern of Russian attacks on Kyiv Oblast in recent weeks. Alongside energy infrastructure, Russian forces have repeatedly targeted warehouses, distribution centers and other logistics facilities around the capital, disrupting the systems that supply Kyiv and other parts of Ukraine.

With winter approaching, the combination of attacks on energy generation and civilian logistics is adding pressure to a country already dealing with years of damage to its critical infrastructure.

Ukraine's largest private energy company DTEK and British clean energy group Octopus Energy have launched a program to install rooftop solar panels and battery storage systems at Ukrainian businesses and public institutions, DTEK said in a press release on June 23.

The program, called RISE (Resilient Independent Solar Energy), was announced at Octopus Energy's Tech Summit in London and aims to raise 100 million euros ($115 million) to finance 100 energy projects over three years, helping stabilize the grid, lower electricity costs and protect customers from outages, the company said.

DTEK’s facilities have been repeatedly targeted since the start of Russia’s full-scale invasion as Moscow sought to cripple Ukraine's energy infrastructure. The company was forced to shut down its gas production facilities in Poltava Oblast in March.

"About 70% of Ukraine's thermal generation capacity has been damaged, destroyed or seized since the full-scale invasion," said DTEK CEO Maksym Timchenko in the press release.

“This has created not only an urgent need to rebuild but also an opportunity to accelerate the shift to a decentralized, renewable energy system,” he added.

The alternative energy systems will be installed by D.Solutions, DTEK's business unit operating under the Yasno retail brand.

Installed equipment will run on Octopus Energy's AI-powered Kraken operating system, enabling businesses to optimize energy use in real time, reduce consumption during peak hours and sell surplus electricity back to the grid.

"They (DTEK) are rebuilding at pace and pioneering a decentralized, smart energy system powered by homegrown renewables," said Greg Jackson, Octopus Energy Group founder and CEO.

According to DTEK, Ukraine's commercial and industrial energy market has an untapped potential of 300 megawatts annually, valued at 200 million euros ($229 million). DTEK's Yasno brand serves over 60,000 business customers and can generate projects worth 30 million euros per year.

DTEK previously announced plans to build one of Europe's largest energy storage facilities with six installations across the country, totaling 200 megawatts to power 600,000 households. The company secured a $72 million loan from three Ukrainian banks.

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Israel’s strikes on Iranian nuclear facilities have alarmed none more than Russia, the country that first brought nuclear power to Iran in defiance of Western objections. We’re “millimeters from catastrophe,” said Kremlin spokeswoman Maria Zakharova on June 18 in response to a bombing campaign that Israel launched against Iran on June 13. Decades of conflict with the West have united Iran and Russia, despite a cultural gulf between the two nations that dwarfs the Caspian Sea that physically di

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