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

Ciara O'Dwyer, Lisa Ryan and Damian Flynn

Open Access publications from School of Economics, University College Dublin

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.

Keywords: Energy storage; Power system simulation; Pumped storage power generation; Wind energy (search for similar items in EconPapers)
Pages: 12 pages
Date: 2017-09
New Economics Papers: this item is included in nep-ene and nep-reg
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Citations: View citations in EconPapers (12)

Published in: IEEE Transactions on Power Systems, 32(5) 2017-09

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Persistent link: https://EconPapers.repec.org/RePEc:ucn:oapubs:10197/9103

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