Top 15 solar energy storage manufacturers in Ukraine
The Energy System Group (ESG), one of the top 15 solar energy storage manufacturers in Ukraine, was established in 2009 to invest in and
Sept. 10, 2025. (Bohdan Nazarenko/DTEK) Ukraine's biggest private energy firm, DTEK, has launched a major battery storage facility that will bring power to hundreds of thousands of homes and strengthen the grid ahead of expected Russian attacks this winter, the company said.
Once operational, the batteries will help stabilize Ukraine's electricity grid and keep the power supply steady, avoiding emergency power outages. The project was developed in partnership with American energy company Fluence Energy Inc.
The €140 million total investment aims to enhance power grid stability, bolstering Ukraine's energy security and independence. The project will be the biggest operational energy storage portfolio in Eastern Europe at the time of commissioning.
The six energy storage plants will be located at multiple sites across Ukraine, with capacities ranging from 20 MW to 50 MW and a total capacity of 200 MW. Together, they will store up to 400 MWh of electricity – enough to supply two hours of power to 600,000 homes (equivalent to roughly half the households in Kyiv).
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