DTEK subsidiary, DRI, picks Fluence to deliver Trzebinia battery project

• At 133 MW, DRI Trzebinia will be the largest battery energy storage (BESS) project in Poland under a 17-year capacity market contract, starting in 2027
• Agreement comes 2 weeks after Fluence and DTEK energised 200 MW project to boost energy security in Ukraine
• Project uses Fluence’s Smartstack platform, incorporating advanced cybersecurity to help protect Polish grid
  

WARSAW, Poland and AMSTERDAM, Sept. 22, 2025 (GLOBE NEWSWIRE) -- DRI, the EU renewables arm of Ukraine’s DTEK Group, has selected Fluence Energy B.V., a subsidiary of Fluence Energy, Inc. (NASDAQ: FLNC)(“Fluence”), a global market leader delivering intelligent energy storage systems, to supply battery storage units for its 133 MW Trzebinia project in southern Poland.

DRI’s Trzebinia project is due to be the largest battery storage facility taking part in the Polish Capacity Market when batteries are integrated into the system from 2027. Under capacity market system, batteries will help strengthen Poland’s energy security by providing an ‘energy reserve’ that can be dispatched in milliseconds to prevent outages in moments of system stress – for example, during peak demand or sudden drops in generation. Integrating battery technology in the capacity market will also lower energy costs as energy storage is cheaper to run than generation alternatives.

Additionally, by participating in arbitrage, batteries enable their operators to take advantage of lower wholesale prices by absorbing energy from the grid when prices are lower and releasing the energy when they are higher.

The announcement comes less than two weeks after DTEK – DRI’s parent company and Ukraine’s largest private power company – energised a 200 MW project across six sites in Ukraine, using Fluence storage systems. The project is designed to make Ukraine’s energy system more resilient in time for winter, in the wake of attacks on Ukrainian energy targets since russia’s full-scale invasion in 2022.

The 622 MWh Trzebinia project will deploy Fluence’s Smartstack platform – a modular, high-density system designed to enable fast deployment and optimised performance over an asset’s lifetime.

By integrating industry-leading cybersecurity features, and only sourcing components from friendly countries, the Smartstack platform also strengthens Poland’s cyber defences. According to Spain’s Industrial Cybersecurity Centre, Poland was the world’s most targeted country for politically and socially motivated cyberattacks in Q1 2025, with critical infrastructure, including grid networks, being among the most common targets.