Sonja Klingert

Sonja Klingert
Universität Mannheim ·  Lehrstuhl für Wirtschaftsinformatik

Diplom (Economics)

About

43
Publications
2,723
Reads
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288
Citations
Citations since 2017
16 Research Items
166 Citations
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Additional affiliations
January 2010 - present
Universität Mannheim
Position
  • Researcher
Description
  • I work as project leader for EU FP7 projects focusing on energy aware data centres and their role in the energy system: Fit4Green (www.fit4green.eu), All4Green (www.all4green-project.eu), DC4Cities (www.dc4cities.eu)

Publications

Publications (43)
Article
Energy Communities are playing an ever greater role in the European renewable energy transition. As an instrument for citizen-led transformation, they are associated not only with economic and environmental, but also with social benefits. However, it is unclear whether Energy Communities in Europe deliver on the positive social impact they promise....
Article
Full-text available
Until now, individual motorized mobility has been almost exclusively powered by fossil energy sources. The battle against climate change, however, requires a transformation of the mobility system with the ultimate objective of a full electrification of transport. Ultimately, this will increase considerably the load on the distribution grid both in...
Article
Full-text available
Battery electric vehicles generate a significant share of their greenhouse gas emissions during production and later, when in use, through the energy used for charging. A shift in charging behavior could substantially reduce emissions if aligned with the fluctuating availability of renewable energy. Financial incentives and environmental appeals ha...
Article
Full-text available
Abstract Data centres have been the focus of research as candidates for demand response or other demand side management programs for quite some time. However, a complete framework optimising data centre demand response is still missing. This is due to the complexity of integrating more than one power flexibility technology and more than one market...
Article
Full-text available
To support the grid and integrate renewables, demand response schemes reward the power flexibility of energy consumers. Data centers can profit from this by using power management techniques on all levels of data center architecture: infrastructure, hardware, workload, applications. Even though lately, demand response with data centers has been wel...
Article
Full-text available
Sustainability—the capacity to endure—has emerged as a concern of central relevance for society. However, the nature of sustainability is distinct from other concerns addressed by computing research, such as automation, self-adaptation, or intelligent systems. It demands the consideration of environmental resources, economic prosperity, individual...
Conference Paper
Increases in peak electricity demands and the growing use of renewable energy --- with associated intermittency and variable output --- present new challenges to electricity service providers (ESPs). ESPs employ demand charges, variable tariffs and demand response (DR) programs to influence the consumption behavior of consumers to partially mitigat...
Conference Paper
Sudden and short-duration power swings in modern supercomputers can have a challenging impact on the voltage of the adjacent power grids. The coming age of exascale supercomputers is expected to bring platforms that are capable of power fluctuations of up to 20 MW in 15 milliseconds (ms) or less (one cycle at 60 Hz). This paper presents a framework...
Conference Paper
Data centres are key to a future energy system with a high share of intermittent renewable energy sources. They form the cloud that enables a modern life-style and cyber-physical based production; however, fulfilling these tasks makes them the fastest growing component of IT power demand. In the future energy system the flexibility of consumers' po...
Article
Keeping the power grid stable becomes more and more challenging with the increasing share of distributed and intermittent power generation from renewables. Facing this challenge requires using all flexibility options including adaptive power demand. Data centers are huge energy consumers, but fortunately they possess inherent flexibility through sh...
Conference Paper
The existing electromobility (EM) is still in its fledgling stage and multiple challenges have to be overcome to make Electric Vehicles (EVs) as convenient as combustion engine vehicles. Users and Electric Vehicle Fleet Operators (EFOs) want their EVs to be charged and ready for use at all times. This straightforward goal, however, is counteracted...
Conference Paper
Full-text available
Electromobility is one approach to foster a CO2-optimized transportation and mobility sector. At the same time, increasing adoption of electric vehicles (EV) bares challenges for the whole electricity system, and mainly for the power grids. Coordinated charging of electric vehicles can help alleviating the pressure that an increasing e-mobility sec...
Article
The power grid has become a critical infrastructure, which modern society cannot do without. It has always been a challenge to keep power supply and demand in balance; the more so with the recent rise of intermittent renewable energy sources. Demand response schemes are one of the counter measures, traditionally employed with large industrial plant...
Conference Paper
Full-text available
The increasing integration of renewable energies into the electricity system and a fluctuating power demand cause high pressure on today's electricity grid. One contemporary approach to deal with this issue is the implementation of demand response mechanisms: In contrary to adjusting the power supply by increasing generation from brown energy sourc...
Conference Paper
Full-text available
Supercomputing Centers (SCs) have high and variable power demands, which increase the challenges of the Electricity Service Providers (ESPs) with regards to efficient electricity distribution and reliable grid operation. High penetration of renewable energy generation further exacerbates this problem. In order to develop a symbiotic relationship be...
Conference Paper
In Europe, more and more cities are aiming to become part of the “smart cities” vision. Smart Cities are based on a plethora of sensor data which need to be processed in data cen-tres. Therefore data centres play an important role in making cities smart. However, at the same time they are huge consumers of electrical energy and thus counteract smar...
Conference Paper
One issue in smart cities is how to deal with the energy hunger of their inhabitants and how to reduce their CO2 footprint. Another issue of the smart cities life-style is a mushrooming amount of data creation that needs to be processed in data centres. This makes data centres one major energy consumer group in cities. And this connection of smart...
Article
Data centres are important players in smart cities both as IT service providers and as energy consumers. Integrating intermittent renewable energy sources into the local power grid is one challenge in future smart cities aiming at an IT based low carbon economy. The project DC4Cities takes up this challenge by offering a both technical and business...
Article
Current approaches for reducing IT's environmental impact typically are generic and rarely take into account services' actual functionality. To develop more powerful, service-specific strategies for reducing IT's carbon footprint, we need more complete and widely understandable specifications that describe exactly a service's functionality, the lev...
Book
This book constitutes the thoroughly refereed post-conference proceedings of the Second International Workshop on Energy Efficient Data Centers, E²DC 2013, held in Berkeley, CA, USA, in May 2013; co-located with SIGCOMM e-Energy 2013. The 8 revised full papers presented were carefully reviewed and selected from numerous submissions. The papers are...
Conference Paper
—Power supply needs to match power demand up to a certain extent at all times in order to provide power with sufficient quality and to maintain the power grid in a stable state. Matching power supply to power demand becomes challenging due to a steadily increasing power demand and due to an increasing production of power based on renewable energy so...
Conference Paper
Data centres, due to their significant en- ergy use and highly automated IT infrastructure, are excellent candidates to participate in demand response programs. However, the major inconvenience of today’s electricity tariffs between energy provider and its cus- tomers is their lack of flexibility, which renders demand response programs difficult to...
Conference Paper
Full-text available
Demand Response is a mechanism used in power grids to manage customers' power consumption during critical situations (e.g. power shortage). Data centres are good candidates to participate in Demand Response programs due to their high energy use. In this paper, we present a generic architecture to enable Demand Response between Energy Provider and D...
Conference Paper
Data center and cloud providers are responsible for provid- ing services such as storage or retrieval for large amounts of (customer owned) data by using databsae management systems (DBMS). Service provision implies a specific quality of service regarding performance or security. Another factor of increasing importance is energy consumption. Althoug...
Conference Paper
This paper describes how eco-motivated extensions added to the traditional SLA concept can provide levels of flexibility in the data centre management that enable the data centre to reduce the energy consumption, improve the environmental footprint and lower internal costs. A close collaboration with both the IT customer and the data centre’s energ...
Conference Paper
In the current decade of rapid expansion of ubiquitous data storage and cloud computing services, the demand for data centre services has seen an enormous increase which is resulting in a continuously rising pressure on the environment in terms of energy consumption and greenhouse gas (GHG) emissions. The recently started project, All4Green, explor...
Conference Paper
The energy consumption of data centres offering all kinds of services such as cloud services, high performance computing, and traditional storage and data management in global organizations is increasing exponentially. For the sustainable development of ICT technology, new solutions for energy-efficient computing are needed in various technology fi...
Conference Paper
Outsourcing services from local or personal devices to data centers or the cloud is an ongoing trend in information technology. This trend has led to the expansion of the IT service business and, to a dramatic increase of energy consumption in data centers. One of the objectives of GreenIT is to stop or even reverse this development. Many technical...
Conference Paper
Rechenzentren gehören weltweit zu den Großabnehmern von Energie. Ihr Anteil am globalen Verbrauch beträgt etwa 1,5% - Tendenz steigend. Dieser Trend wird vor allem durch die zunehmende Auslagerung von IT Diensten aus den Unternehmen, durch das Cloud Computing Paradigma und eine allgemein ansteigende Nachfrage nach IT-Dienstleistungen hervorgerufen....
Conference Paper
The impact of the information and communication technologies (ICT) on the global carbon footprint currently can be compared to the impact of aircraft – the trend being upwards. Within ICT the fastest growing subsector is the data centre domain that is estimated to grow from 14% of ICT’s total carbon footprint in 2002 to 18% in 2020. The magnitude o...
Book
This book constitutes the thoroughly refereed post-conference proceedings of the First International Workshop on Energy Efficient Data Centers (E2DC 2012) held in Madrid, Spain, in May 2012. The 13 revised full papers presented were carefully selected from 32 submissions. The papers cover topics from information and communication technologies of gr...
Conference Paper
Full-text available
Given the projected growth in IT over the coming decades it is important that the supply of, and demand for, computing services be made as environmentally friendly as possible. One of the key technologies for achieving this will undoubtedly be cloud computing which opens up many new opportunities for streamlining the way computing services are deli...
Article
As part of the growing pervasiveness of information technology (IT) in the global economy, the last decade has seen a trend of outsourcing IT services, first into traditional data centres, and nowadays more and more into "fuzzy structures" (aka the cloud). This trend has led to the expansion of the IT service business, to the emergence of the data...
Article
1st International Conference on Energy-Efficient Computing and Networking, e-energy 2010, Passau, 13 - 15 Apr. 2010
Article
Full-text available
Eds. Pierson, JM.; Hlavacs, H. Proceedings of the COST Action IC804 on Energy Efficiency in Large Scale Distributed Systems, 1st Year, 88 - 92 Protecting the environment by saving energy and thus reducing carbon dioxide emissions is one of today’s hottest and most challenging topics and is of a rapidly growing importance in the computing domain. Th...
Conference Paper
The data Grids appear mostly in the scientific community but it is also necessary to have the data Grid in the industry sector. Applying the way of scientific data Grid to the industry brings many disadvantages such as expensive investment, not efficient usage and unfair sharing. This paper presents an alternative approach, an economic aware data G...

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Projects

Projects (3)
Project
An interdisciplinary inputs which contributes to greater understanding of sustainable systems and the ecosystems underpinning energy science. All members are identified to hold his/her own Editorial Board positions in affiliated publishers. The scope of this group is broad, with expert scientist and professional writers who encourages interdisciplinary research, and welcoming theoretical and practical research from all methodological approaches to achieve implications on sustainability. Output from projects and knowledge sharing takes the form of ecosystem engineering support network and the in-built knowledge transfer in sustainable systems . This dynamic group foster efficiency in knowledge transfer focusing in sustainable systems and ecosystem engineering, and as they evolve, the group promote rapid research and rapid sharing of emerging knowledge and informational trends. Some working papers considers how such study on the topics addresses nexus sustainability issues. IE. climate change.
Archived project
Active collaboration in datacenter ecosystem to reduce energy consumption and GHG emissions