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Games 2017, 8(4), 45; https://doi.org/10.3390/g8040045

Shapley Value-Based Payment Calculation for Energy Exchange between Micro- and Utility Grids

1
Graduate Institute of Industrial Engineering, National Taiwan University, Taipei 10617, Taiwan
2
Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
3
Department of Electrical and Computer Engineering, University of Connecticut, Storrs, CT 06269, USA
*
Author to whom correspondence should be addressed.
Received: 31 July 2017 / Revised: 2 October 2017 / Accepted: 11 October 2017 / Published: 23 October 2017
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Abstract

In recent years, microgrids have developed as important parts of power systems and have provided affordable, reliable, and sustainable supplies of electricity. Each microgrid is managed as a single controllable entity with respect to the existing power system but demands for joint operation and sharing the benefits between a microgrid and its hosting utility. This paper is focused on the joint operation of a microgrid and its hosting utility, which cooperatively minimize daily generation costs through energy exchange, and presents a payment calculation scheme for power transactions based on a fair allocation of reduced generation costs. To fairly compensate for energy exchange between the micro- and utility grids, we adopt the cooperative game theoretic solution concept of Shapley value. We design a case study for a fictitious interconnection model between the Mueller microgrid in Austin, Texas and the utility grid in Taiwan. Our case study shows that when compared to standalone generations, both the micro- and utility grids are better off when they collaborate in power exchange regardless of their individual contributions to the power exchange coalition. View Full-Text
Keywords: energy exchange; cooperative game theory; microgrid economics; Shapley value energy exchange; cooperative game theory; microgrid economics; Shapley value
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Pilling, R.; Chang, S.C.; Luh, P.B. Shapley Value-Based Payment Calculation for Energy Exchange between Micro- and Utility Grids. Games 2017, 8, 45.

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