Optimum operation of bulk energy storage systems in contemporary spot electricity markets

Zafirakis, Dimitrios and Chalvatzis, Konstantinos ORCID: https://orcid.org/0000-0001-9829-7030 (2012) Optimum operation of bulk energy storage systems in contemporary spot electricity markets. In: World Renewable Energy Forum, 2012-01-01.

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During recent years, there has been considerable interest in the research and development of energy storage systems (ESSs), with new technologies emerging and already established ones evolving further. Among the most established services that such systems can benefit from, arbitrage is admittedly corresponding to the most critical source of revenues. On the other hand, increased investment costs and energy conversion losses attached to ESSs usually lead to rather high electricity production costs that discourage investment in such projects. Considering the situation encountered, an effort is currently undertaken in order to develop an optimum arbitrage strategy for two different bulk ESSs, i.e. pumped hydro storage (PHS) and compressed air energy storage (CAES), in order to exploit any arbitrage opportunities appearing in contemporary electricity spot markets. For this purpose, by considering the special characteristics of each technology and by using historical data available from two different market regions of Nord Pool, a practical, deterministic dispatch strategy developed allows for the estimation of maximum net cash flows. According to the results obtained, optimum unit commitment ensures greater levels of revenues that may under certain conditions prove adequate for system operation in the long-run. Furthermore, comparison at both the regional market level and at the level of ESS provides useful information, first with regards to the spot market characteristics that may allow operation of energy storage under economically viable terms, and secondly with regards to the ability of PHS and CAES to support such investment efforts.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: arbitrage opportunity,bulk-energy storage systems,cash flow,compressed air energy storage,dispatch strategy,electricity production,electricity spot market,energy storage systems,historical data,investment costs,optimum operations,regional markets,research and development,spot electricity market,spot market,system operation,compressed air,digital storage,economics,energy conversion,energy storage,investments,commerce
Faculty \ School: Faculty of Social Sciences > Norwich Business School
University of East Anglia Research Groups/Centres > Theme - ClimateUEA
Depositing User: Julie Frith
Date Deposited: 17 Jan 2013 12:52
Last Modified: 22 Oct 2022 23:39
URI: https://ueaeprints.uea.ac.uk/id/eprint/40816

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