Impact of pumped storage on power systems with increasing wind penetration

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Title: Impact of pumped storage on power systems with increasing wind penetration
Authors: Tuohy, Aidan
O'Malley, Mark
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Date: Jul-2009
Online since: 2012-01-16T17:16:46Z
Abstract: In this paper, the unit commitment and dispatch of a power system with and without a pumped storage unit is examined for increasing levels of installed wind power, from 17% of total energy to 80% of total energy generated by wind 3 (3GW to 15GW of installed wind on the Irish system in 2020). At high levels of installed wind, it is shown that storage reduces curtailment and increases the use the base loaded plant on the system. This reduces system costs. However, when the additional capital costs of storage are taken into account, it is shown that storage is not viable from a system perspective until extremely large levels of wind power are seen on the system. At these levels of installed wind, while the system can operate without storage, it is less costly to do so with storage. The capacity credit of the storage unit is also examined, using a simplified approach, and shown to decrease as larger amounts of intermittent wind power are added to the system.
Funding Details: Science Foundation Ireland
Type of material: Conference Publication
Publisher: IEEE
Copyright (published version): 2009 IEEE
Keywords: Power system modellingWind energyLarge scale energy storage
Subject LCSH: Electric power systems--Mathematical models
Wind power
Energy storage
DOI: 10.1109/PES.2009.5275839
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Language: en
Status of Item: Not peer reviewed
Is part of: IEEE Power & Energy Society General Meeting, 2009. PES '09 [proceedings]
Conference Details: Paper presented at IEEE Power & Energy Society General Meeting, July 26-30, 2009, Calgary, Canada
ISBN: 978-1-4244-4241-6
Appears in Collections:ERC Research Collection
Electrical and Electronic Engineering Research Collection

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