Why did DTEK launch the largest battery storage facility in Eastern Europe?

DTEK has launched the largest battery storage facility in eastern Europe to bolster Ukraine's energy system ahead of expected mass Russian attacks on infrastructure this winter, the Ukrainian energy giant announced on Sept. 10.

Will Russia attack Ukraine's energy facilities?

"This system is bringing more resilience to the energy system," DTEK ’s CEO Maxim Timchenko said at a press briefing on Sept. 10, later adding that he anticipates Russia will resume heavy attacks on Ukraine’s energy facilities. Initially, a press tour was arranged at one of the battery sites in Kyiv Oblast on Sept. 10.

How long does it take to build a thermal power plant in Ukraine?

Constructions of this size normally take 12-15 months, but DTEK noted Ukraine’s urgency for the project to commence before the autumn-winter season. The country is bracing for another wave of Russian attacks, with a recent strike on a thermal power plant in Kyiv Oblast cutting off electricity to part of the region on Sept. 8.

How much money did DTEK invest in Kyiv?

Shortly after, Russian drones and missiles targeted Kyiv and the surrounding area. DTEK invested 125 million euros ($146 million) into the project and built it in record time between March and August 2025, with commercial operations starting on Oct. 1.

How much money has DTEK spent on power plants?

Since 2022, DTEK has spent 346 million euros ($405 million) restoring its thermal plants and 17 million euros ($20 million) on power facilities like substations, transmission lines, and transformer points.