Originally posted on Data Center POST.
TL;DR
- Green Capital S.A. and Prime Capital AG are partnering to develop a 300 MW battery storage portfolio in Poland.
- The project will span multiple sites in Poland and is designed to support grid stability, renewable integration, and energy flexibility within the European market.
- The collaboration combines local development expertise and infrastructure investment experience to accelerate delivery and long-term growth.
Green Capital S.A. and Prime Capital AG have formed a strategic partnership to develop a 300 megawatt (MW) / 1,200 megawatt-hour (MWh) Battery Energy Storage System (BESS) portfolio in Poland. This collaboration merges Green Capital’s local development expertise in renewable infrastructure with Prime Capital’s extensive experience in European infrastructure investment. The joint venture aims to enhance grid stability, support the integration of renewable energy, and facilitate a broader shift toward a highly flexible power system in the region.
The development will span multiple sites across Poland, with the first advanced-stage project scheduled to begin construction in the second quarter of 2026. The partners are also jointly advancing a second large-scale project, which is expected to achieve Ready-to-Build status by the end of 2026. As large-scale storage gains momentum across Europe to strengthen grid resilience, this initiative marks a transformative moment for the Polish energy market by introducing unprecedented scale and institutional capital.
Beyond modernizing Poland’s energy landscape, the partnership is designed to foster significant strategic growth for both companies. It provides a clear pathway for Green Capital to transition from a developer into an Independent Power Producer. Simultaneously, it enables Prime Capital to expand its battery energy storage footprint and solidify its presence within the rapidly evolving European energy storage market.
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