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EWI researches and advises on increasingly complex energy markets - through practical and agenda-neutral energy economics research.. EWI analyzes the transformation of the energy world with the latest economic methods and detailed computer-based models.


EWI-Insights: Import and storage of green hydrogen

July 9, 2024 |

The cost of hydrogen imports is influenced by financing and transportation options. Hydrogen storage also plays a crucial role in a climate-neutral energy system. This was the subject of the latest EWI-Insights.

EWI investigates location criteria for electrolysers

June 27, 2024 |

System-serving electrolysers can support the energy system and save costs as well as resources. An EWI report shows that such electrolysers could be located in all parts of Germany.

Council of Experts reviews projection data: Compliance with climate target for 2021 to 2030 not confirmed

June 3, 2024 |

The German Council of Experts on Climate Change has reviewed the projection data for 2024. Compliance with the climate target for 2021 to 2030 has not been confirmed, the new report shows. EWI Director Marc Oliver Bettzüge is part of the five-member panel.

Hydrogen costs: Update of the EWI Global PtX Cost Tool available

June 3, 2024 |

With the EWI Global PtX Cost Tool, the EWI shows where green hydrogen and derivatives such as ammonia could be imported cheaply. With the update of the tool, various influences on production and import costs can now also be analyzed.

Council of Experts on Climate Change: Transport sector misses target

April 15, 2024 |

In its new review report, the German Council of Experts on Climate Change shows that the transport sector has once again missed its target. The emissions data for the building sector is not clear. EWI Director Marc Oliver Bettzüge is part of the five-member panel.

EWI analysis of possible network tariffs for hydrogen

April 8, 2024 |

Supplying customers with hydrogen could be a building block of the energy transition. On behalf of the DVGW, the EWI has estimated the potential level of future hydrogen network tariffs in a hydrogen scenario defined by the DVGW.

EWI Insights: The future of electromobility

March 21, 2024 |

Deutschland hat bei der Vorbereitung auf E-Mobilität Aufholbedarf und die Integration von Elektrofahrzeugen ins Verteilnetz steht vor Herausforderungen. Woran das liegt und welche Lösungen es geben kann, stellen zwei Fachleute des EWI bei EWI-Insights vor.

Hydrogen networks: EWI analysis increased investment risks

March 18, 2024 |

The development of the German hydrogen core network will require billions in investment – including from the private sector. A new EWI analysis examines the challenges of the planned financing model.

EWI Merit-Order Tool: More conventional power plant capacities

March 15, 2024 |

The generation capacities of conventional power plants on the German electricity market have recently increased. An EWI analysis based on the new EWI Merit Order Tool 2023 shows why this is the case and what developments can be expected.


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The Institute of Energy Economics at the University of Cologne is a member of the Johannes-Rau-Forschungsgemeinschaft. The JRF is a research community of 16 independent, non-profit research institutes in the German state of North Rhine-Westphalia. Their common goal is to conduct sustainable and forward-thinking research for society, economy and politics.