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Align Grid Charges for Battery Storage Consistently with Grid Support

24 hours ago
2 min read

green flexibility Publishes Position Paper on the German Federal Network Agency’s Regulatory Process


Kempten, September 16, 2025


Battery storage systems make a key contribution to grid stability and, therefore, to the success of the energy transition. However, the current grid charging system does not adequately reflect this contribution. Against this backdrop, green flexibility has published a position paper outlining concrete proposals for a modern, cost-reflective and incentive-compatible grid charging system.


“Battery storage systems shift electricity flows over time and reduce pressure on the grid — particularly when their operation is deliberately aligned with regional grid requirements. This grid-supportive behaviour must be recognised and incentivised by regulation going forward,” says Christina Hepp, Director Strategy at green flexibility.

The position paper addresses key issues of the ongoing AgNes process of the German Federal Network Agency and sets out clear recommendations for action:


  • Cost-reflective grid charges: Costs should only be incurred when the grid is actually burdened. Grid-supportive behaviour should be incentivised, while grid-neutral behaviour should remain exempt from grid charges.


  • Dynamic grid charges: Time- and location-based price signals create targeted incentives to deploy flexibility precisely where it is needed.


  • Practical solutions: With the REGIOlink model, green flexibility demonstrates how battery storage systems can be operated economically while also being used to provide targeted regional grid relief in critical grid situations.


  • Policy decisions: AgNes offers an opportunity to better align battery storage operations with grid requirements. In addition, short-term adjustments to KraftNAV are needed to better account for project quality and maturity.


The position paper demonstrates that grid-supportive and market-oriented operation are not contradictory, but can be aligned through smart regulatory frameworks. Only by systematically integrating battery storage systems into the grid charging system can their full potential for the energy transition be harnessed — without new subsidies, but on the basis of market-driven investment.


The full position paper “Align Grid Charges for Battery Storage Consistently with Grid Support”: Link to the position paper

 


 
 
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