IEE/Institute/Team
Sonja Wogrin
Univ.-Prof. Dipl.-Ing. Dr. M.Sc.
Phone
+43 316 873 - 7900

Researcher Profiles
Pure: sonja-wogrin
OrcID: 0000-0002-3889-7197
Google Scholar ID: ZbabDn4AAAAJ
Researcher ID: E-5022-2017
SCOPUS: 37119657300
ResearchGate: Sonja_Wogrin
IEEE: 37706131400
LinkedIn: sonja-wogrin-a7461711

Biography
Sonja Wogrin obtained a Dipl. Ing. (5-year degree) in Technical Mathematics at the Graz University of Technology (Jun. 2008) and a Master of Science in Computation for Design and Optimization at the Massachusetts Institute of Technology (Oct. 2008). She obtained her PhD (Jun. 2013) at the Instituto de Investigación Tecnológica (IIT) at the Universidad Pontificia Comillas, where she was also working as researcher (from May 2009) and Associate Professor in the Industrial Organization Department. Since August 2021 she is the Head of the Institute of Electricity Economics and Energy Innovation of Graz University of Technology. Her research interests lie within the area of decision support systems in the energy sector, optimization and in particular the generation capacity expansion problem.

Areas of interest
Optimization, Bilevel programming, Generation expansion planning, Energy storage.


Publications

Journal Article
Thomas Florian Klatzer, Udo Bachhiesl, Sonja Wogrin and Asgeir Tomasgard Ramping up the hydrogen sector: An energy system modeling framework Applied Energy 355, 2024
DOI: https://doi.org/10.1016/j.apenergy.2023.122264
Claudia Kettner, Michael Böheim, Mark Sommer, Robert Gaugl, Udo Bachhiesl, Lia Gruber, Thomas Florian Klatzer, Sonja Wogrin and Kurt Kratena Transformation to a renewable electricity system in Austria: Insights from an integrated model analysis Renewable Energy 223, 2024
DOI: https://doi.org/10.1016/j.renene.2024.119957
Lia Gruber, Ivana Kockar and Sonja Wogrin Towards resilient energy communities International Journal of Electrical Power and Energy Systems 155, 2024
DOI: https://doi.org/10.1016/j.ijepes.2023.109592
Conference/Workshop Article
David Cardona Vasquez, Nejla Veljovic and Sonja Wogrin On the importance of accurate demand representation in large scale energy system models: hourly profiles and socioeconomic dynamicsOn the importance of accurate demand representation in large scale energy system models: hourly profiles and socioeconomic dynamics
Robert Gaugl, Jean-Yves Beaudeau, Katharina Gruber, Stephan Österbauer, Christian Todem, Stefanie Schreiner, Valentin Wiedner and Sonja Wogrin Analyse des Kurz-, Mittel- und Langzeitspeicherbedarfs in Österreich für 2040Europas Energiezukunft - Sicher, leistbar, sauber!?
David Cardona Vasquez, Bettina Klinz and Sonja Wogrin Improving accuracy of energy system models for an efficient energy transition: basis-oriented aggregation and machine learning45TH IAEE INTERNATIONAL CONFERENCE 25 -28 JUNE, 2024 ISTANBUL BOĞAZİÇİ UNIVERSITY481-484
Other Article
Alexander Michael Konrad, Robert Gaugl and Sonja Wogrin Die Abhängigkeit des österreichischen Elektrizitätssektors von ausländischem Gas
Robert Gaugl, Mark Sommer, Claudia Kettner, Udo Bachhiesl, Thomas Florian Klatzer, Lia Gruber, Michael Böheim, Kurt Kratena and Sonja Wogrin Towards Renewable Power Systems: Analyzing the Technical and Economic Effects Using a Linked Modeling Framework
Robert Gaugl, Sonja Wogrin and Udo Bachhiesl An Outlook on a Holistic Modelling Approach of the African Power System
Book Chapter
Salvador Pineda, J.M. Morales and Sonja Wogrin Mathematical programming for power systemsEncyclopedia of Electrical and Electronic Power Engineering722-732
Thomas Florian Klatzer, Udo Bachhiesl and Sonja Wogrin EXPANSION PLANNING IN INTEGRATED POWER & HYDROGEN SYSTEMSFuture of energy - Innovationen für eine klimaneutrale Zukunft242-243
Sonja Wogrin, Udo Bachhiesl, Claudia Kettner and Viktor Hacker Der Beitrag der Forschung zum Erreichen der Klimaneutralität in ÖsterreichGreen Europe. Deal or no deal?31-38

Projects

One of the fundamental problems of using optimization models that represent complex systems – e.g. power systems on their path towards achieving net-zero emissions – is the trade-off between model accuracy and computational tractability. Many applied optimization models that use different time series as data input have become increasingly challenging to solve due to the large time horizons they span and the high complexity of technical constraints with short- and long-term time dynamics. To overcome computational intractability of these optimization models, the dimension of input data and model size is commonly reduced through time series aggregation (TSA) methods. However, applying TSA for optimization models that are governed by varying time dynamics simultaneously is quite challenging. TSA methods mostly focus on short-term dynamics, and rarely include long-term dynamics due to the inherent limitations of TSA. As a result, longer-term dynamics are not captured well by aggregated models, which is imperative for reliably modelling many complex systems. Moreover, traditional TSA methods are based on the common belief that the clusters that best approximate the input data also lead to the aggregated model that best approximates the full model, while the metric that really matters –the resulting output error in optimization results – is not well addressed. This belief is mainly based on the lack of theoretical underpinning relating inputs and output error, rendering existing methods trial-and-error heuristics at best. We plan to challenge this belief by discovering the currently unknown relation between input and output error, and to overcome existing TSA shortcomings by developing the novel theoretical TSA framework for optimization models with varying time dynamics, thereby tapping into unprecedented potential of computational efficiency and accuracy. If this project is successful, it would have untangled the Gordian knot of data aggregation in optimization.
Funding sources
  • European Commission - Europäische Kommission, EU
Start: 31.12.2023
End: 30.12.2028
Details
So-called "anergy networks" are based on a system approach that can contribute significantly to solving the major challenges of the energy transition. In the project, the knowledge on the topic is processed based on existing scientific work and realized projects and expanded in a targeted manner with the help of detailed analyses of an implemented case study.
Funding sources
  • Österreichische Forschungsförderungsgesellschaft mbH (FFG) , FFG
Start: 31.05.2024
End: 30.05.2027
Details
In the iKlimEt research project, simulation tools (optimization, machine learning and energy analytics methods) are being developed for integral energy system planning taking into account the consequences of climate change and extreme events. The project goal is, among other things, the further development of a sector-coupled energy system optimization model (electricity, gas/hydrogen, heating/cooling, transport, demand-side management), which determines optimal expansion and operating decisions for the energy infrastructure. The validation of the developed tools takes place in a case study in the energy system of the Styrian energy networks in the spirit of climate neutrality in 2040.
Funding sources
  • Österreichische Forschungsförderungsgesellschaft mbH (FFG) , FFG
Start: 31.12.2023
End: 30.12.2026
Details
V2G-QUESTS contributes to the creation of inclusive positive energy districts (PEDs) by empowering/emancipating/strengthening the power-balancing capacity of private and shared electric vehicles (EVs) in thus far EV-poor areas. These vehicles can be used as one big battery to tackle intermittent energy production and consumption in urban areas through the concept of Vehicle-to-grid (V2G), which is being assessed in several pilots. However, for V2G to positively affect the power network, it will have to be adopted at different geographies and socio-economical strata. Energy production and consumption are everywhere, not just in locations where higher-income people who can afford EVs live. In V2G-QUESTS we will therefore work in a multidisciplinary team to bring electric mobility and the concept of V2G into disadvantaged and typically excluded communities, therefore contributing to both mobility and energy transitions in PEDs. The project intends to produce specific guidelines for creating mobility-enabled PEDs that are demonstrated through three specific, yet diverse, European case studies that align citizens’ behavior, business models, technology, power optimization, governance, and impacts in a co-creation context in typically excluded districts. Each country that is part of V2G-QUESTS brings specific expertise required to maximize the impact of V2G at a local and regional scale.
Funding sources
  • Österreichische Forschungsförderungsgesellschaft mbH (FFG) , FFG
Start: 30.11.2023
End: 29.11.2026
Details
The aim of this project is to create a techno-economic optimization model for Carinthia's electricity system.
Funding sources
  • KELAG-Kärntner Elektrizitäts- Aktiengesellschaft
Start: 31.12.2023
End: 30.07.2024
Details

Projects prior to working at TU Graz

The objective of the project is the analysis of data from different mechanical tests to determine the factors that significantly affect the useful life.
Funding sources
  • Inesco Ingenieros SL
Start: 01.06.2021
End: 30.09.2021
In this project we carry out an analysis of the security of supply of the Colombian power system considering scenarios of high renewable penetration and energy storage. In technical case studies we analyze the impact that renewable generation and energy storage operations have on optimal operations of the Colombian power system, and in particular, on the thermal plants Termobarranquilla and Termocandelaria.
Funding sources
  • Termobaranquilla S.A, Termocandelaria
Start: 01.05.2021
End: 31.12.2021
The objective of the project is to develop the roadmap for the implementation of hydrogen in Colombia. Among other tasks, it is necessary to evaluate the competitiveness of hydrogen in Colombia, calculate the internal demand and evaluate the regulatory enablers.
Funding sources
  • Banco Interamericano de Desarrollo (BID)
Start: 01.04.2021
End: 30.09.2021
This project assesses, from a technical and economic point of view, the daily, weekly and seasonal storage needs for the Spanish electricity system in the 2020-2050 horizon, considering the different storage technologies, as well as keys such as the flexibility of demand or hydroelectric availability.
Funding sources
  • Instituto para la Diversificación y Ahorro de la Energía (IDAE)
Start: 01.01.2021
End: 31.03.2021
The call intends to finance aid for the preparation of proposals for R + D + I projects in transnational collaboration led by Spanish research groups aimed at the calls for the European Union Research and Innovation Framework Program for the period 2014-2020 (H2020) and the period 2021-2027 (Horizon Europe).
Funding sources
  • Ministerio de Ciencia e Innovación (MCI)
Start: 30.11.2020
End: 31.01.2022

International Exchange

Information and Decision Systems (LIDS) Massachusetts Institute of Technology (MIT), Cambridge (United States of America) Feb - Jul 2020
Isaac Newton Institute for Mathematical Sciences Cambridge (United Kingdom) Mar 2019
Department of Mathematical Sciences University of Copenhagen, Copenhagen (Denmark) May 2016
Department of Industrial Economics and Technology Management Norges Teknisk-Naturvitenskapelige Universitet (NTNU), Trondheim (Norway) Jun 2015
Department of Industrial Economics and Technology Management Norges Teknisk-Naturvitenskapelige Universitet (NTNU), Trondheim (Norway) Feb-Mar 2015
Contact
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Institute of Electricity Economics and Energy Innovation
Inffeldgasse 18
8010 Graz

Tel.: +43 316 873 7901

IEEnoSpam@TUGraz.at
www.IEE.TUGraz.at