en.Wedoany.com Reported - Entrix will provide market optimization and AI-based trading services for a solar-plus-storage project being developed by Suntec in Germany. The project includes a 5.8 MW solar plant and a 6.35 MW battery energy storage system, both connected to the grid via a shared grid connection point.

The battery will operate as a "grey" storage asset, meaning it can be charged both from the co-located solar plant and from the grid. Entrix states that this configuration allows the solar installation to maintain priority access to the grid connection, while the battery uses the remaining capacity.

Under this operating model, the battery will charge during peak solar generation and low electricity price periods, and discharge when renewable energy output declines and market prices rise. Entrix says the solution aims to maximize the utilization of the grid connection while enhancing system flexibility.

The project has also signed a structured offtake agreement with DB Energie, the energy subsidiary of Deutsche Bahn. Under a ten-year electricity storage agreement based on Entrix's FloorPlus model, DB Energie will receive day-ahead access to a specific share of the battery's flexibility in exchange for a fixed capacity payment.

Entrix states that this agreement will provide predictable revenue for Suntec and support project financing. Any battery flexibility not called upon by DB Energie will be optimized and sold by Entrix in relevant electricity markets.

Steffen Schülzchen, CEO of Entrix, said that combining fixed revenue with active market participation can improve the bankability of battery storage projects and help expand investment in the flexible assets needed to support renewable energy integration.

For Suntec, the project aims to maximize the value of existing grid infrastructure. Managing Director Florian Golinski noted that the grey storage configuration enables more efficient use of the grid connection while improving the overall economics of the solar and storage asset portfolio.

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