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Columbus Energy announced that Ruby01A has accepted an offer to purchase a 202-MW/808-MWh standalone battery project, a significant storage asset in Poland. The financial terms of the transaction were not disclosed.

This sale highlights the trend of capital rotation in Poland's storage market as projects consolidate under developers capable of construction. With the increasing integration of solar power and the gradual retirement of coal, Poland's grid requires enhanced flexibility.

Four-hour batteries are expected to optimize energy pricing and provide essential frequency and reserve services. The viability of these projects will depend on robust warranties, reliable integrators, and energy management systems that optimize performance across various markets. As assets transition to build-ready ownership, improvements in solar capture rates and reductions in curtailment are anticipated.