Fraunhofer Institute for Energy Economics and Energy System Technology

 

Research fields

The Fraunhofer IEE in Kassel researches for the national and international transformation of energy systems.

 

 

Application fields

As an applied research institute, we research and develop solutions for the transformation of energy systems and offer a rich portfolio of services, know-how and products.

 

News

 

22.5.2026

NordicTwinSeaZone strengthens hydrogen ramp-up and stabilizes the electricity market in the North

With the ongoing expansion of renewable energy, grid bottlenecks and curtailment in northern Germany continue to increase. A joint electricity price zone comprising Schleswig-Holstein, Hamburg and Western Denmark can significantly improve the utilization of renewable energy and accelerate the ramp-up of the hydrogen economy. This is demonstrated by a short study by the Fraunhofer IEE, commissioned by the Energy and Climate Protection Agency Schleswig-Holstein GmbH. 

 

22.5.2026

Grid-Forming Readiness in Distribution Networks

The position paper "Grid-Forming Readiness in Distribution Networks – Medium-Voltage Battery Storage as a Key to Islanding Capability and Resilience" examines the systemic challenges facing the energy sector as it transitions toward a power system dominated by power electronics.

 

29.4.2026

Whitepaper on influence on PtX certification on the ramp-up of a hydrogen export market

How can countries in southern Africa become key players in the global trade in green hydrogen? And what role do sustainability and certification requirements in importing countries play in this process? A new whitepaper published by the Fraunhofer Institutes IEE, ISI, IEG and IMWS provides a first systematic analysis of how differing power‑to‑x (PtX) certification requirements influence the ramp‑up of hydrogen and synthetic fuel export markets from the SADC region – and why strategic decisions already in early project phases are crucial.

 

Green Hydrogen and PtX International

Our research in the field of hydrogen is closely linked to the topics of energy management and energy system technology. We focus in particular on green hydrogen as a key technology for the energy transition. We support you throughout the entire process chain – from feasibility studies to the operational optimization of your plants.

DIN EN ISO/IEC 27001 Certification


For Fraunhofer IEE, the secure and efficient handling of critical data and secure information systems is important. That is why we have had an information security management system (ISMS) certified for various business areas. The focus is on efficient risk management and continuous improvement of information security, for example by being prepared for possible cyber attacks and IT emergencies. The functionality of our ISMS is regularly checked in external audits by independent third parties.

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renewables.film

The YouTube format "renewables.film" publishes high-quality journalistic films in a cooperation project of Fraunhofer IEE, the non-profit project company m4future and Jörg Moll Filmproduktion.