Energy storage can participate in Poland's capacity market, receiving payments for providing backup electricity capacity. Storage systems can provide essential grid services such as: Frequency regulation Voltage control Grid balancing Electricity Price ArbitragePoland's power sector is transitioning away from coal, with the share of coal-fired power generation in the country expected to fall from 90% in 2010 to 55% in 2025 and further down to 20% by 2030, according to the S&P Global Energy Planning Case released in January. Integrating renewable energy. As renewable energy penetration increases, battery energy storage systems (BESS) are becoming essential for maintaining grid reliability and balancing supply and demand. Why Poland Needs Energy Storage Systems Several factors are driving the demand for energy storage in Poland. As of early 2026, the country is in the midst of a critical, time-sensitive deployment window, driven by. Membership in PESA means an active participation in the most important changes taking place on the electric power market, creating incentives for its growth, substantive support by top-class experts and so many more benefits for your organisation. We are boosting the visibility of our member.