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Capacity building workshop on macroeconomic modelling of climate change adaptation at the Economic Research Institute in Kazakhstan
From November 10–14, 2025, a 5 days practical training on “Macroeconomic Assessment of Climate Change Impacts and Adaptation Measures Using the e3.kz Model" was conducted at the ERI office by GWS consultants Anett Grossmann, Louisa…
Developments on the electricity market: negative prices and ways to achieve greater stability
The year 2025 is drawing to a close. This is a good time to take a look at developments in the electricity market. Since the beginning of the year, around 13.9 GW of solar and 3.8 GW of wind power capacity have been newly…
The new RIMES model – input-output tables and a scenario framework at the German district level
A successful energy transition requires systemic changes and long-term investment in energy, heating and mobility systems. It must be implemented successfully at a regional level. To demonstrate the regional impact, detailed modelling of…
5-days hands on training on the e3.mn model and simulation of climate finance adaptation and mitigation in Mongolia
During the week of October 6–10, 2025, an interactive training session organized by GIZ and conducted by GWS was held on topics related to the Mongolian E3 (economy-energy-emissions) model e3.mn, attended by partners from the Bank of…
Steady increase in wastewater disposal costs
Private households use approximately 121 liters of drinking water per day, mainly for bathing and showering (39%), flushing toilets (30%) and washing clothes (13%).[1] Disposal is mainly carried out via the public sewer system. Sewage…
The green hydrogen transformation in Lower Saxony
Lower Saxony has important prerequisites for a hydrogen economy – from wind energy and extensive storage capacities to import infrastructure. A new study uses scenario analysis to show the effects that the development of a hydrogen…
Production of goods for the security and defence industry – a challenge for the regional economy?
Political provisions allow defence spending to be largely exempt from the debt brake. In addition, NATO's goal is to increase the defence budget to 5% of GDP. Against the backdrop of these developments, GWS Kurzmitteilung 2025/7 examines…









