Demand-Side Management With Shared Energy Storage System in Smart Grid

Energy storage systems (ESSs) have been considered to be an effective solution to reduce the spatial and temporal imbalance between the stochastic energy generation and the demand. To effectively utilize an ESS, an approach of jointly sharing and operating an ESS has been proposed in a conceptual wa...

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Bibliographic Details
Published in:IEEE transactions on smart grid 2020-09, Vol.11 (5), p.4466-4476
Main Authors: Jo, Jaeyeon, Park, Jinkyoo
Format: Article
Language:English
Subjects:
capacity trading
Computational modeling
Energy
Energy conservation
Energy consumption
Energy management
Energy storage
Game theory
Games
generalized Nash equilibrium
Nash equilibrium
Operating costs
Optimization
Peak to average power ratio
Schedules
shared energy storage system (ESS)
Smart grid
Storage systems
System effectiveness
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Summary:Energy storage systems (ESSs) have been considered to be an effective solution to reduce the spatial and temporal imbalance between the stochastic energy generation and the demand. To effectively utilize an ESS, an approach of jointly sharing and operating an ESS has been proposed in a conceptual way. However, there is a lack of analytic approaches designed to optimize the operation of such a system considering interactions among users in a game theoretic perspective. In this study, we propose the energy capacity trading and operation (ECTO) game where each agent determines two actions, capacity trading, and the 24-hour ahead charging-discharging scheduling with the capacity that will be assigned, to minimize the energy operation cost. We then propose a distributed optimization strategy to find a generalized Nash equilibrium for the proposed ECTO game. Simulation studies show that when optimally operated, a shared ESS can decrease both the total energy operating cost and the peak-to-average ratio of the energy for the entire grid compared to the conventional ESS control strategy without ESS sharing.
ISSN:1949-3053
1949-3061
DOI:10.1109/TSG.2020.2980318