Author

external author editor

external author editor

Ralph Diermann

rd@energie-journalist.de

Articles written by Ralph Diermann

Projects & Applications

RWE starts installing 236 MW/470 MWh battery storage project in Germany RWE has begun buidling a 236 MW/470 MWh battery energy storage system (BESS) at a mine in western Germany. The project is scheduled to enter service in 2027 and will provide ancillary services including frequency regulation, with future capability to deliver synthetic inertia.

Jul 29, 2026

Industry

Varta files for self-administered insolvency, including storage business German battery manufacturer Varta has filed for self-administered insolvency, with the proceedings covering its solar-storage and energy management business.

Jul 27, 2026

Markets

Germany wraps up solar-plus-storage tender with average price of €0.0534/kWh Germany has concluded a new renewables tender for innovative projects, securing 482 MW of capacity at final prices ranging from €0.0475 ($0.0540)/kWh to €0.0559/kWh.

Jun 26, 2026

Distributed

Faster battery buildout could save German consumers up to €2.8 billion by 2035 Accelerating the deployment of utility-scale battery storage in Germany would lower power system costs, reduce price volatility, and cut electricity bills by up to €2.8 billion in 2035, according to a new study.

Jun 25, 2026

Markets

German storage association to file EU complaint over capacity market law Germany's energy storage industry says proposed capacity market rules favor gas-fired generation and undermine technology neutrality, prompting plans for a complaint to the European Commission.

Jun 25, 2026

Large storage facilities in Germany

Policy

Key German energy associations see pros and cons in planned grid fee reforms for batteries While a planned prosumer surcharge is heavily criticized, energy industry associations welcome the fact that the grid fee exemption for large-scale energy storage systems will remain in place. The German Energy Storage Systems Association praised the regulatory agency for now clearly classifying storage as a flexibility option rather than a traditional consumer.

May 29, 2026

akaysha Orana-render

Grid-scale

Copenhagen Energy and Akaysha Energy plan 2 GWh storage system in Germany The large-scale battery with a capacity of 500 MW is to be built near the extra-high voltage infrastructure and an existing substation in the town of Bühl in Germany, near Baden-Baden. have formed a joint venture to develop large-scale battery storage systems in Germany.

May 20, 2026

R&D

Market-driven battery storage delivers major economic gains, study finds Utility-scale batteries provide macroeconomic benefits through market-based operation, though regulatory shifts are needed to optimize grid support.

Jan 22, 2026

Finance

German town of Beckum launches utility-scale battery storage with community investment option Up to 500 residents in the German city of Beckum can invest between €500 ($568) and €25,000 into a planned 20 MW/55 MWh battery energy storage system (BESS).

Apr 14, 2025

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