Optimization of Electricity Retailer’s Contract Portfolio Subject to Risk Preferences

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dc.contributor.authorKettunen, Janneeng
dc.contributor.authorSalo, Ahtieng
dc.contributor.authorBunn, Derek Weng
dc.date.accessioned2010-06-17T17:42:04Z
dc.date.available2010-06-17T17:42:04Z
dc.date.issued2010
dc.description"(c) 20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works."eng
dc.description.abstractWhen an electricity retailer faces volume risk in meeting load and spot price risk in purchasing from the wholesale market, conventional risk management optimization methods can be quite inefficient. For the management of an electricity contract portfolio in this context, we develop a multistage stochastic optimization approach which accounts for the uncertainties of both electricity prices and loads, and which permits the specification of conditional-value-at-risk requirements to optimize hedging across intermediate stages in the planning horizons. Our experimental results, based on real data from Nordpool, suggest that the modeling of price and load correlations is particularly important. The sensitivity analysis is extended to characterize the behavior of retailers with different risk attitudes. Thus, we observe that a risk neutral retailer is more susceptible to price-related than load-related uncertainties in terms of the expected cost of satisfying the load, and that a risk averse retailer is especially sensitive to the drivers of the forward risk premium.eng
dc.description.refereedYeseng
dc.identifier.citationJ. Kettunen, A. Salo, and D.W. Bunn. Optimization of Electricity Retailer’s Contract Portfolio Subject to Risk Preferences. IEEE Transactions on Power Systems, 25(1):117–128, 2010.eng
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/34105
dc.identifier.issn0885-8950
dc.identifier.urihttp://hdl.handle.net/1880/47850
dc.language.isoengeng
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)eng
dc.publisher.corporateUniversity of Calgaryeng
dc.publisher.facultyHaskayne School of Businesseng
dc.publisher.urlhttp://ieeexplore.ieee.org.ezproxy.lib.ucalgary.ca/xpl/RecentIssue.jsp?punumber=59eng
dc.subjectrisk managementeng
dc.subject.otherElectricity marketeng
dc.subject.otherretailer’s contract portfolio optimizationeng
dc.subject.otherstochastic optimizationeng
dc.titleOptimization of Electricity Retailer’s Contract Portfolio Subject to Risk Preferenceseng
dc.typejournal article
thesis.degree.disciplineRisk Management and Insuranceeng
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