Derating factors measure the contribution of different technologies to security of supply in the context of capacity mechanisms. A study by EWI describes and compares four approaches for calculating derating factors for the example of batteries.
Spending on the expansion and operation of the electricity system comprises a range of components. EWI provides a consolidated overview of their level, use, and distribution for the years 2010 to 2024.
Large heat pumps play a central role in the decarbonization of heating grids and industrial process heat. An evaluation of primary data shows that the actual investment costs can be higher than cost estimates from the literature.
The University of Cologne, in cooperation with the EWI, is offering the EWI Doctoral Fellowship for doctoral students in energy economics. Interested candidates can apply for the EWI Doctoral Fellowship until March 15, 2026.
International electricity interconnectors are essential for a cost-efficient and climate-neutral European energy system. An EWI analysis identifies policy instruments that can make grid expansion beneficial to consumers across all participating countries.
Electricity network charges are usually levied independently of actual grid utilisation and therefore do not create incentives for grid-supportive behaviour. In the Federal Network Agency’s AgNes process, the focus is on stronger temporal and spatial dynamisation.
This year, the prestigious Theodor Wessels Prize was awarded to four researchers who have conducted research on various topics related to the energy industry. The award, presented by the EWI Alumni Association, is given every two years and is endowed with a total of €10,000.
Dispatchable power plants are necessary for security of supply. For them to be climate-neutral, they must be decarbonized. The EWI analyzes three fuel options: renewable and low-carbon hydrogen, and natural gas with CCS.
The RFNBO criteria specify which electricity may be used to produce green hydrogen. The impact of these criteria on costs and capacities in the hydrogen market was discussed at the EWI Insights online event.