Samir Jeddi, M.Sc.
is Research Associate at EWI since 2017 and doctoral candidate at the University of Cologne. In consulting projects for clients from the industry and public sectors, he has analyzed, e.g., the effects of a national and cross-sectoral CO2 price on end consumers’ costs of energy supply. He has advised, among others, several German utilities. His research focus lies in modeling of short- and medium-term electricity markets. Before joining EWI, Samir Jeddi studied Business Administration at TU Dresden (Germany) and ISCTE Lisbon (Portugal) as well as Business Chemistry at Heinrich-Heine-Universität Düsseldorf (Germany).
Client: International Energy Agency (IEA)
IEA Market Report Series: Coal 2019
The report finds that the rebound in global coal demand continued in 2018, driven by growth in coal power generation, which reached an all-time high. Although coal power generation is estimated to have declined in 2019, this appears to have resulted from particular circumstances in some specific regions and is unlikely to be the start of a lasting trend. Global coal demand is expected to remain broadly stable over the next five years, supported by robust growth in major Asian markets.
Client: E.ON SE
Effects of CO2 prices on the building, transport and energy sectors
In a new short study, the EWI examined the real impact of CO2 prices on private households and the overall energy system. The analysis was carried out jointly with the Institute for Future Energy Consumer Needs and Behavior (FCN) of RWTH Aachen University on behalf of E.ON SE. The FCN estimated investment and consumption decisions of private households in the transport and building sector on the basis of empirical models. On this basis, the EWI derived feedback effects of these decisions in the energy system. Thus, the effects of a CO2 price were consistently mapped in the overall system.
Client: WirtschaftsVereinigung Metalle e.V.
Electricity cost in the non-ferrous metal industry – A sensitivity analysis
On behalf of the WirtschaftsVereinigung Metalle e.V., EWI analysed the effects of an increase in electricity prices on the gross value added of exemplary companies in the non-ferrous metal industry. In 2017, the electricity prices of companies in the non-ferrous metal industry fluctuated between 3.6 ct/kWh for an aluminium electrolysis plant and 14.0 ct/kWh for a small copper rolling mill. The large differences are mainly due to the deviating regulatory relief schemes. Compared to other branches of the manufacturing industry, the electricity cost intensity is highest in the metal industry with an average of 14.5 %, an electricity price increase therefore has comparatively strong effects. An increase in electricity prices by 1.0 ct/kWh would reduce the gross value added of the metal industry by 439 million Euro (2.3 %), processes with high electricity-cost intensity such as aluminium electrolysis would be particularly affected strongly.
Supported by the German Federal Ministry of Education and Research (BMBF)
Short study: Flexibility potential of households for the network-related reduction of demand peaks
In future, increased use of heat pumps and electric cars in the building and transport sectors could create new requirements for network expansion and operation, especially in the low-voltage networks. The increased use of heat pumps and electric cars has an impact on the quantity of electricity demanded and on the temporal structure of electricity demand. Against this backdrop, the question arises as to which flexibility potentials could be used cost-effectively in households in the future.
In the context of this study, the flexibility potential of different household types is analysed. The focus here is on the costs of flexibility in time windows that are potentially critical for low-voltage grids. The study is based on the ewi ER&S model for the analysis of consumer behaviour (COMODO) and analyses the flexibility potentials for the year 2030.
Network Tariff System in Germany—Status-Quo, Alternatives and European Experiences
Samir Jeddi, Amelie Sitzmann; 2019
In: ZfE - Zeitschrift für Energiewirtschaft, pp. 1-23.
Netzdienliches Flexibilitätspotenzial von Haushalten mit elektrischer Wärmeversorgung
Cordelia Frings, Samir Jeddi, Amelie Sitzmann; 2019
In: et - Energiewirtschaftliche Tagesfragen, (Vol. 9), pp. 14-16.
Geschäftsmodelle zur Einbindung dezentraler Anlagen auf Haushaltsebene in Virtuelle Kraftwerke
Georg Holtz, Samir Jeddi, Johannes Fleer, Sascha Birk, Max Schönfisch, Dietmar Lindenberger, Thorsten Schneiders; 2019
In: et - Energiewirtschaftliche Tagesfragen, Vol. 69 (3), pp. 33 - 36.
A Model Based Market Power Analysis of the German Market for Frequency Containment Reserve
Samir Jeddi, Michael Zipf; 2018
In: 15th International Conference on the European Energy Market (EEM), pp. 1-6.