Electrical Vehicle Grid Integration for Demand Response in Distribution Networks Using Reinforcement Learning

Fayiz Alfaverh, Mouloud Denai, Yichuang Sun

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Most utilities across the world already have demand response (DR) programs in place to incentive consumers to reduce or shift their electricity consumption from peak periods to off-peak hours usually in response to financial incentives. With the increasing electrification of vehicles, emerging technologies such as vehicle-to-grid (V2G) and vehicle-to-home (V2H) have the potential to offer a broad range of benefits and services to achieve more effective management of electricity demand. In this way, electric vehicles (EV) become distributed energy storage resources and can conceivably, in conjunction with other electricity storage solutions, contribute to DR and provide additional capacity to the grid when needed. This paper proposes an effective DR approach for V2G and V2H energy management using Reinforcement Learning (RL). Q-learning, a RL strategy based on a reward mechanism, is used to make optimal decisions to charge or delay the charging of the EV battery pack and/or dispatch the stored electricity back to the grid without compromising the driving needs. Simulations are presented to demonstrate how the proposed DR strategy can effectively manage the charging/discharging schedule of the EV battery and how V2H and V2G can contribute to smooth the household load profile, minimise electricity bills and maximise revenue.
Original languageEnglish
Number of pages14
JournalIET Electrical Systems in Transportation
Early online date11 Jun 2021
Publication statusE-pub ahead of print - 11 Jun 2021


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