Using energy storage to manage high net load variability at sub-hourly timescales

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Title: Using energy storage to manage high net load variability at sub-hourly timescales
Authors: O'Dwyer, Ciara
Flynn, Damian
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Date: Jul-2015
Online since: 2016-10-07T14:04:43Z
Abstract: High net load variability, driven by high penetrations of wind and solar generation, will create challenges for system operators in the future, as installed wind generation capacities increase to unprecedented levels globally. Maintaining system reliability, particularly at shorter time-scales, leads to increased levels of conventional plant starts and ramping, and higher levels of wind curtailment, with sub-hourly unit commitment and economic dispatch required to capture the increased cycling burden. The role of energy storage in reducing operating costs and enhancing system flexibility is explored, with key storage plant characteristics for balancing at this time-scale identified and discussed in relation to existing and emerging grid-scale storage technologies. Unit dispatches for the additional storage plant with varying characteristics highlight the unsuitability of energy only markets in incen-tivizing suitable levels of flexibility for future systems with high net load variability.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: IEEE
Journal: IEEE Transactions on Power Systems
Volume: 30
Issue: 4
Start page: 2139
End page: 2148
Copyright (published version): 2014 IEEE
Keywords: Battery storage plantsEnergy storagePower system simulationPumped storage power generationWind energy
DOI: 10.1109/tpwrs.2014.2356232
Language: en
Status of Item: Peer reviewed
Appears in Collections:ERC Research Collection
Electrical and Electronic Engineering Research Collection

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