Efficient large-scale energy storage dispatch: challenges in future high renewables systems

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Title: Efficient large-scale energy storage dispatch: challenges in future high renewables systems
Authors: O'Dwyer, Ciara
Ryan, L. (Lisa B.)
Flynn, Damian
Permanent link: http://hdl.handle.net/10197/9103
Date: Sep-2017
Abstract: Future power systems with high penetrations of variable renewables will require increased levels of flexibility from generation and demand-side sources in order to maintain secure and stable operation. One potential flexibility source is largescale energy storage, which can provide a variety of ancillary services across multiple time-scales. In order for appropriate levels of investment to take place, and in order for existing assets to be utilized optimally, it is essential that market signals are present which encourage suitable levels of flexibility, either from storage or alternative sources. Suboptimal storage plant dispatch due to uncertainty and inefficient market incentives are represented as operational constraints on the storage plant, and the impact of these inefficiencies are highlighted. Thus changes required in operational practices for storage plant at different installed wind capacity levels, and the challenges that private storage plant operators will face in generating appropriate bids in a market environment at high variable renewable penetrations are explored. The impacts on system generating costs and storage profits are explored under different plant operating assumptions.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: IEEE
Copyright (published version): 2017 IEEE
Keywords: Energy storage;Power system simulation;Pumped storage power generation;Wind energy
DOI: 10.1109/TPWRS.2017.2656245
Language: en
Status of Item: Peer reviewed
Appears in Collections:ERC Research Collection
Electrical and Electronic Engineering Research Collection
Economics Research Collection

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