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Can current electricity markets cope with high shares of renewables? A comparison of approaches in Germany, the UK and the State of New York

Michael G. Pollitt and Karim L. Anaya

Year: 2016
Volume: Volume 37
Number: Bollino-Madlener Special Issue
DOI: 10.5547/01956574.37.SI2.mpol
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This paper looks at the empirical and theoretical background to high shares of renewables in the electricity system. First we examine what is meant by "high shares" of renewables; next we consider what we mean by electricity "markets"; then we discuss what the term "cope with" implies; before returning to the suitability of "current" electricity markets. Second, we turn to three examples of jurisdictions - Germany, the UK and the State of New York in the US - with specific aspirations for decarbonisation and the role of renewables. Each exhibits very different approaches to the way they are adjusting their electricity market design to cope with high shares of renewables. We suggest that a new wave of electricity experiments is beginning around the theme of how to incorporate large shares of intermittent renewable generation in to electricity systems.

Storage Business Models: Lessons for Electricity from Cloud Data, Frozen Food and Natural Gas

Karim L. Anaya and Michael G. Pollitt

Year: 2019
Volume: Volume 40
Number: The New Era of Energy Transition
DOI: 10.5547/01956574.40.SI1.kana
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The aim of this paper is to evaluate different well-established non-electric storage markets (cloud data, frozen food and natural gas) in order to identify relevant lessons for electrical energy storage (EES) connected to electricity distribution networks. The case studies that have been evaluated are Google Drive (cloud storage), Oakland International (frozen food storage) and Centrica Storage (gas storage). A specific business model methodology has been selected for comparing the different business model components across these sectors. The methodology (following Johnson et al., 2008) refers to key interconnected components: customer value proposition, the revenue formula, key resources and key processes. The evaluation of the three case studies suggests that well-developed business models already exist in growing and mature storage markets. Regulation plays also an important role across the different storage markets and business model components, however its importance varies depending on the type of market. Innovation in storage business models is also observed (technological and contractual) which should also be facilitated in EES. Innovation helps move storage markets towards more sustainable business models.

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