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Christof Weinhardt

Other affiliations: University of Freiburg, University of Giessen, Siemens  ...read more
Bio: Christof Weinhardt is an academic researcher from Karlsruhe Institute of Technology. The author has contributed to research in topics: Common value auction & Service (business). The author has an hindex of 34, co-authored 457 publications receiving 7359 citations. Previous affiliations of Christof Weinhardt include University of Freiburg & University of Giessen.


Papers
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Journal ArticleDOI
TL;DR: In this paper, the authors present the concept of a blockchain-based microgrid energy market without the need for central intermediaries, where consumers and prosumers can trade self-produced energy in a peer-to-peer fashion.

1,010 citations

Journal ArticleDOI
TL;DR: This work provides energy prosumers and consumers with a decentralized market platform for trading local energy generation without the need of a central intermediary and presents a preliminary economic evaluation of the market mechanism and a research agenda for the technological evaluation of blockchain technology as the local energy market’s main information and communication technology.
Abstract: The increasing amount of renewable energy sources in the energy system calls for new market approaches to price and distribute the volatile and decentralized generation. Local energy markets, on which consumers and prosumers can trade locally produced renewable generation directly within their community, balance generation and consumption locally in a decentralized approach. We present a comprehensive concept, market design and simulation of a local energy market between 100 residential households. Our approach is based on a distributed information and communication technology, i.e. a private blockchain, which underlines the decentralized nature of local energy markets. Thus, we provide energy prosumers and consumers with a decentralized market platform for trading local energy generation without the need of a central intermediary. Furthermore, we present a preliminary economic evaluation of the market mechanism and a research agenda for the technological evaluation of blockchain technology as the local energy market’s main information and communication technology.

628 citations

Journal ArticleDOI
24 Sep 2009
TL;DR: This paper first presents a business model framework for Clouds, subsequently reviews and classifies current Cloud offerings in the light of this framework, and discusses challenges that have to be mastered in order to make the Cloud vision come true and points to promising areas for future research.
Abstract: Lately, a new computing paradigm has emerged: “Cloud Computing”. It seems to be promoted as heavily as the “Grid” was a few years ago, causing broad discussions on the differences between Grid and Cloud Computing. The first contribution of this paper is thus a detailed discussion about the different characteristics of Grid Computing and Cloud Computing. This technical classification allows for a well-founded discussion of the business opportunities of the Cloud Computing paradigm. To this end, this paper first presents a business model framework for Clouds. It subsequently reviews and classifies current Cloud offerings in the light of this framework. Finally, this paper discusses challenges that have to be mastered in order to make the Cloud vision come true and points to promising areas for future research.

443 citations

Journal ArticleDOI
TL;DR: In this article, the authors investigate the impact of smart appliances and variable prices on electricity bills of a household and show that for households the savings from equipping them with smart appliances are moderate compared to the required investment.

420 citations

Journal ArticleDOI
TL;DR: The authors provide a criteria catalogue to characterize cloud computing and their own Cloud Business Ontology Model to classify current product offerings and pricing models.
Abstract: The authors provide a criteria catalogue to characterize cloud computing and their own Cloud Business Ontology Model to classify current product offerings and pricing models.

207 citations


Cited by
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01 Jan 2002

9,314 citations

Book ChapterDOI
01 Jan 1982
TL;DR: In this article, the authors discuss leading problems linked to energy that the world is now confronting and propose some ideas concerning possible solutions, and conclude that it is necessary to pursue actively the development of coal, natural gas, and nuclear power.
Abstract: This chapter discusses leading problems linked to energy that the world is now confronting and to propose some ideas concerning possible solutions. Oil deserves special attention among all energy sources. Since the beginning of 1981, it has merely been continuing and enhancing the downward movement in consumption and prices caused by excessive rises, especially for light crudes such as those from Africa, and the slowing down of worldwide economic growth. Densely-populated oil-producing countries need to produce to live, to pay for their food and their equipment. If the economic growth of the industrialized countries were to be 4%, even if investment in the rational use of energy were pushed to the limit and the development of nonpetroleum energy sources were also pursued actively, it would be extremely difficult to prevent a sharp rise in prices. It is evident that it is absolutely necessary to pursue actively the development of coal, natural gas, and nuclear power if a physical shortage of energy is not to block economic growth.

2,283 citations