Successful financing - over 1 billion euros for battery storage systems

Together, green flexibility and Partners Group invest massively in battery storage systems to balance price fluctuations and reliably integrate renewable energy into the grid
Kempten, January 16, 2025 - Partners Group, one of the world's largest private markets investors, is investing up to 400 million euros of equity in green flexibility, a developer of battery storage systems in Germany. Together with additional debt capital, a project volume of over EUR 1 billion will be created to accelerate the energy transition. The aim is to ensure grid stability through high-performance battery storage solutions and to support the integration of renewable energies.
Flexibility as the key to grid stability
The decline in conventional power plants and the increasing use of renewable energies are leading to fluctuations in the power supply. Battery energy storage systems (BESS) absorb surpluses when generation is high and release energy when needed. In this way, they help to prevent grid overloads, minimize curtailments and smooth out price fluctuations - a key contribution to stabilizing the energy infrastructure.
Experienced team and strong expertise
green flexibility, founded by Christoph Ostermann, a pioneer in the battery storage market, plans, builds and operates battery storage systems at strategic points in the electricity grid throughout Europe. The company combines more than 100 years of experience in the energy sector and relies on long-term partnerships with grid operators to integrate local grid requirements in a targeted manner.
The energy transition needs stability. With Partners Group, we have a strong partner at our side to scale reliable and secure storage solutions. Long-term operational reliability and the highest standards are our aspiration.
Christoph Ostermann, CEO of green flexibility
Partners Group has USD 150 billion in assets under management and is an experienced infrastructure investor with global operations. David Daum, Partner and Head of Infrastructure Europe, says: "green flexibility is a key player in the integration of renewable energy. Together, we want to build a market-leading platform and contribute to the energy transition in the long term." With its strong project pipeline and innovative storage technology, green flexibility is positioning itself as a leading provider for the future of the European electricity market.

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