Münch Energie builds out Germany’s largest battery cluster, hands commercial side to Suena
Münch Energie has begun commissioning a 500 MWh battery storage cluster in Saxony-Anhalt, which the developer says is the largest contiguous BESS project operating in Germany. The rollout is ongoing, with full energization taking place within weeks, awhile the company confirmed plans to expand total capacity to up to 800 MWh before the end of 2026.
Münch Energie manages an increasingly integrated position in the German storage market, as it also builds and owns its own substation infrastructure, completing roughly one per two months, and maintains inventory of supply-chain constrained high-voltage components including transformers and gas-insulated switchgear.
Münch Energie is also active across project rights acquisition in wind, solar and storage, with decisions on purchases and partnerships handled in-house in rapid time. In terms of completing the vertical integration all the way up and down, it also has its own electricity provider, “grüüün,” meaning some renewable electricity volumes can be directly sold.
Announced at roughly the same time, Suena Energy has been appointed to manage commercial optimization for three assets within the cluster, representing around 300 MWh of combined capacity. Suena offers fully algorithmic and AI-based optimization and trading of energy from storage. In the configuration, two assets, each rated at 49.5 MW / 101 MWh, operate on a standalone basis while the third, with identical technical parameters, runs as a grey-power co-location configuration: sharing approximately 50 MW of grid connection capacity with a co-located 60 MW solar plant while retaining independent grid draw rights.
Suena and Münch Energie say this makes it the largest battery operating under that structure in Germany today.
The co-location model is gaining traction as grid connection constraints tighten across Germany and developers increasingly look to maximise utilisation of existing connection points. Suena notes the configuration introduces material complexity into trading optimisation — dispatch decisions for the storage asset must account for real-time solar generation sharing the same connection — but positions it as directional for how large-scale storage will be structured going forward.
“The project marks a new scale for the German market,” said Suena CEO Lennard Wilkening, adding that value is realised not through size alone but through precise deployment of flexibility. Münch Energie Managing Director Mario Münch said projects at this scale require strong commercial partners alongside technical capability.
Editor’s note: Wilkening regularly contributes a column to ESS News with insights into battery trading incomes in Germany.
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