Grid Stability Lessons from One of Europe's Biggest Batteries

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Recording of Tuesday, June 23, 2026 | The smarter E Europe Conferences 2026 | Language: English | Duration: 16:36 .

Advancements and Challenges in Europe's Energy Grid

Baratilla Energy Storage, based in Helsinki, specializes in integrating battery energy systems with a focus on the GEMS platform, project integration, and long-term infrastructure management. The company has delivered 20 gigawatt hours of battery storage globally, especially in Scotland and the UK, catering to the need for local energy solutions that enhance sustainability. The transition to renewable energy in the UK has reduced power generation inertia, prompting the National Grid ESO to develop the Pathfinder program for reintroducing inertia services. Innovations in battery technology have transformed revenue generation, transitioning from simple transactions to providing ancillary services essential for grid stability. Developing grid-forming and virtual inertia systems requires continuous stakeholder engagement and iterative modeling processes. Challenges persist in implementing advanced projects due to the absence of clear guidance, necessitating extensive adaptations and real-time problem-solving during commissioning. The integration of offshore wind energy faces stability challenges, emphasizing the need for ongoing innovations and robust energy management systems. Documenting systems is crucial for future-proofing operations and ensuring adaptability in the evolving energy landscape.

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Speaker

Raymond Walsh
General Manager, Project Management
Wärtsilä Energy Storage
USA

The share of renewable energies in European power systems is steadily increasing: Germany has already achieved approximately 60 percent, and most of the renewable energy is provided by the volatile sources wind and solar. This is the bright side of the story, but conventional power plants, which have been responsible for grid stability until now, are also being shut down. A further increase in renewable shares requires a shift in the paradigm towards grids operating safely and reliably with power electronic assets. In this context, energy storage systems with grid-forming inverters play a key role, and this session is dedicated to technological solutions, the development and adaptation of grid codes, market incentives and, as well as best practices. Additionally, we will ask whether the way in which grid stability was coordinated in the era of turning masses from momentum reserve to FCR, aFRR and mFRR is still appropriate for inverter-dominated grids.

Further Talks of this session:

Speaker

Dr. Matthias Vetter
Energy Storage Chief Expert
Huawei Nuremberg Research Center
Germany

To Talk

Speaker

Holger Hesse
Professor for Smart Energy SystemsS&P Global Energy
Kempten University of Applied Sciences

To Talk

Speaker

Dr. Enrique Garralaga
Managing Director
SMA Altenso GmbH
Germany

To Talk

Speaker

Christoph Richter
Product Manager
Freqcon GmbH

To Talk

To Talk

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Technology is the key to battery storage markets developing at a rapid pace. Just look at the way system costs have dropped drastically in recent years as a result of progress in the development of battery materials and battery cells and advancement in storage system technology.In the diverse stationary markets in particular, opportunities for technological alternatives to the lithium-ion battery are being opened up. In this session, you can hear from experts directly about current progress in the development of specific battery technologies and learn about the impact those battery technologies are set to have on the market for electrical energy storage systems in the near future.

Publications
European Market Outlook for Battery Storage 2025–2029

Comprehensive analysis of Europe’s battery storage market – now available for download

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