Energiewirtschaftliches Institut an der Universität zu Köln gGmbH


Samir Jeddi, M.Sc.

Samir Jeddi

is Research Associate at EWI and doctoral candidate at the University of Cologne since 2017. In consulting projects for clients from industry and the public sector, he investigated, for example, the impact of a national and cross-sectoral CO2 price on the energy supply costs of end consumers. In addition to major German and French utilities, he advised the International Energy Agency, among others. His research focuses on regulatory issues related to network tariffs and support instruments for hydrogen use. Previously, Samir Jeddi studied business administration at the TU Dresden and the ISCTE Lisbon (Portugal), as well as Business Chemistry at the Heinrich-Heine-University Düsseldorf.



+49 221 - 277 29-205
Curriculum Vitae


Client: International Energy Agency (IEA)

IEA Market Report Series: Coal 2020

The new report highlights recent global and regional developments in coal demand, supply, and trade. The report also provides an outlook to 2025 and analyzes coal supply costs, prices, and investment in new mines. “Coal 2020” is an integral part of the International Energy Agency’s annual market report series. The extraordinary circumstances in 2020 have also affected coal markets, and a post-pandemic recovery is uncertain. China’s role – the world’s largest coal producer, importer, and consumer – is highlighted.

Client: International Energy Agency (IEA)

IEA Electricity market report

The first ever Electricity Market Report produced by the International Energy Agency (IEA) focuses on developments in the world’s electricity markets amid the Covid-19 pandemic. It includes an assessment of 2020 trends and 2021 forecasts for electricity demand, supply, capacity and emissions – both globally and by country. Global electricity demand in 2020 is projected to fall by around 2%, with renewable electricity generation growing by almost 7% in 2020, squeezing conventional generation. The growth of renewables should remain the lead story in 2021, but coal is expected to bounce back.

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.

Working Paper

Network tariffs under different pricing schemes in a dynamically consistent framework

Samir Jeddi, Amelie Sitzmann
January 2021


Speeding up Energy System Models – a Best Practice Guide

Yvonne Scholz, Samir Jeddi et al.; 2020
In: Research Gate.

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), 2019, 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.

Misc Publications

Fabian Arnold, Johannes Wagner, Samir Jeddi; 2020
Impact of the Covid 19 pandemic on the wholesale electricity price and the EEG levy
The EEG levy could rise by 25 percent next year. This is the result of an analysis conducted by the EWI on behalf of E.ON. The Analysis shows that the levy could rise to 8.44 cents per kilowatt-hour in 2021-even if the measures from the German Klimaschutzpaket are accounted for. In 2022 the EEG levy would amount to 6.99 cents per kilowatt-hour. This means that the EEG levy in 2021 is 28 percent and in 2022 11 percent above the forecast EEG levy without the Covid 19 pandemic.

Consulting Projects

COVID-19 in the German energy sector – Implications for, wholesale prices, EEG-levy and possible investment programs
Framework contract for energy policy consulting services
Effects of a CO2 price on end consumers

Research Projects

Realization of acceleration strategies of application-oriented mathematics and computer science for optimizing energy system models (BEAM-ME)