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+++ Prime Capital expands German energy storage portfolio with 135 MW BESS acquisition +++

January 29, 2026

  • Prime Capital acquired Project Monet from Zelos Energy Developments, a 135 MW / 4-hour BESS in Saxony-Anhalt, on behalf of Prime Green Energy Infrastructure Fund II (PGEIF II).
  • The project is fully permitted, ready-to-build, with construction starting in early 2026.
  • The acquisition strengthens Prime Capital´s German battery storage portfolio and supports grid stability and renewable integration.

Prime Capital AG (“Prime Capital”) and Zelos Energy Developments GmbH today announce the acquisition of Project Monet, a 135 MW, 4-hour utility-scale battery energy storage system (BESS) located in Sachsen-Anhalt, in Northeast Germany. The project was acquired by Prime Capital on behalf of its Prime Green Energy Infrastructure Fund II S.A., SICAV-RAIF (PGEIF II) and is situated in the 50 Hertz TSO region.

Project Monet has secured all key permits and is expected to reach ready-to-build status imminently. Construction is planned to commence in early 2026. The project has been developed in compliance with applicable environmental requirements and in close coordination with the local community.

The acquisition strengthens Prime Capital’s battery storage portfolio in Germany, one of Europe’s most attractive and liquid power markets, and supports the continued expansion of flexible capacity essential to grid stability and the integration of renewable energy.

“This investment in Project Monet underscores our strong conviction in the critical role large-scale storage plays in the country’s energy transition. We are very pleased to partner with Zelos and to combine our expertise to deliver a landmark asset that will meaningfully enhance grid resilience and flexibility”, says Jens Walzner, Managing Director at Prime Capital.

“With the sale of BESS Project Monet, Zelos Energy Developments reaches another market-relevant milestone in contributing to a sustainable and responsible energy system in Germany. We thank Prime Capital for a highly professional and partnership-driven transaction process and will continue to actively support the project’s realization”, said Timo Juritsch, Managing Director at Zelos Energy Developments.

The deal was supported by CleanCap, acting as originator and investment advisor to Prime Capital. CleanCap will continue to support Prime Capital post-close on project management, procurement, tolling and debt financing. Legal advisors on the transaction included DLA Piper for Prime Capital and Brock Müller Ziegenbein and Terpitz Rechtsanwaltskanzlei for Zelos Energy Developments. Technical advisory was provided by Afry.

About Prime Capital:

Founded in 2006, Prime Capital AG is an independent asset management firm and financial services provider, owned by management as well as current and former senior employees. The company takes a holistic, cross-divisional approach and specializes in Alternative Investments, in particular in Absolute Return, Energy Infrastructure, and Private Debt. Furthermore, the company provides Access Solutions for the access to Alternative Investments through securitizations and fund structures. Prime Capital currently employs about 125 people in Frankfurt and Luxembourg and is regulated by BaFin and CSSF.

As of September 2025, Prime Capital has approximately EUR 3.9bn Assets under Management as well as EUR 8.9bn Assets under Administration.

For additional information, quotes or requests please contact:

Prime Capital AG

Andreas Kalusche, CEO

Andreas.Kalusche@primecapital-ag.com

Questions regarding the content please contact Dr. Mathias Bimberg

Tel: +49 69 9686 984 308

Mathias.Bimberg@primecapital-ag.com

About Zelos Energy Developments:

Zelos Energy Developments is an energy project- and asset developer based in Berlin, Germany. Zelos develops projects with a focus on a large scale battery energy storage systems (BESS) for a sustainable, responsible and renewable future of the energy industry.

https://zelosdev.de

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