Deep Reinforcement Learning for Autonomous Water Heater Control

Electric water heaters represent 14% of the electricity consumption in residential buildings. An average household in the United States (U.S.) spends about USD 400–600 (0.45 ¢/L–0.68 ¢/L) on water heating every year. In this context, water heaters are often considered as a valuable asset for Demand...

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Main Authors: Kadir Amasyali, Jeffrey Munk, Kuldeep Kurte, Teja Kuruganti, Helia Zandi
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Buildings
Subjects:
Online Access:https://www.mdpi.com/2075-5309/11/11/548
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author Kadir Amasyali
Jeffrey Munk
Kuldeep Kurte
Teja Kuruganti
Helia Zandi
author_facet Kadir Amasyali
Jeffrey Munk
Kuldeep Kurte
Teja Kuruganti
Helia Zandi
author_sort Kadir Amasyali
collection DOAJ
description Electric water heaters represent 14% of the electricity consumption in residential buildings. An average household in the United States (U.S.) spends about USD 400–600 (0.45 ¢/L–0.68 ¢/L) on water heating every year. In this context, water heaters are often considered as a valuable asset for Demand Response (DR) and building energy management system (BEMS) applications. To this end, this study proposes a model-free deep reinforcement learning (RL) approach that aims to minimize the electricity cost of a water heater under a time-of-use (TOU) electricity pricing policy by only using standard DR commands. In this approach, a set of RL agents, with different look ahead periods, were trained using the deep Q-networks (DQN) algorithm and their performance was tested on an unseen pair of price and hot water usage profiles. The testing results showed that the RL agents can help save electricity cost in the range of 19% to 35% compared to the baseline operation without causing any discomfort to end users. Additionally, the RL agents outperformed rule-based and model predictive control (MPC)-based controllers and achieved comparable performance to optimization-based control.
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spelling doaj.art-eaa8972ca3004a5e8db38130c5d468d72023-11-22T22:40:06ZengMDPI AGBuildings2075-53092021-11-01111154810.3390/buildings11110548Deep Reinforcement Learning for Autonomous Water Heater ControlKadir Amasyali0Jeffrey Munk1Kuldeep Kurte2Teja Kuruganti3Helia Zandi4Computational Sciences and Engineering Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831, USAElectrification and Energy Infrastructure Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831, USAComputational Sciences and Engineering Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831, USAComputational Sciences and Engineering Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831, USAComputational Sciences and Engineering Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831, USAElectric water heaters represent 14% of the electricity consumption in residential buildings. An average household in the United States (U.S.) spends about USD 400–600 (0.45 ¢/L–0.68 ¢/L) on water heating every year. In this context, water heaters are often considered as a valuable asset for Demand Response (DR) and building energy management system (BEMS) applications. To this end, this study proposes a model-free deep reinforcement learning (RL) approach that aims to minimize the electricity cost of a water heater under a time-of-use (TOU) electricity pricing policy by only using standard DR commands. In this approach, a set of RL agents, with different look ahead periods, were trained using the deep Q-networks (DQN) algorithm and their performance was tested on an unseen pair of price and hot water usage profiles. The testing results showed that the RL agents can help save electricity cost in the range of 19% to 35% compared to the baseline operation without causing any discomfort to end users. Additionally, the RL agents outperformed rule-based and model predictive control (MPC)-based controllers and achieved comparable performance to optimization-based control.https://www.mdpi.com/2075-5309/11/11/548deep Q-networksreinforcement learningheat pump water heaterdemand responsesmart gridmachine learning
spellingShingle Kadir Amasyali
Jeffrey Munk
Kuldeep Kurte
Teja Kuruganti
Helia Zandi
Deep Reinforcement Learning for Autonomous Water Heater Control
Buildings
deep Q-networks
reinforcement learning
heat pump water heater
demand response
smart grid
machine learning
title Deep Reinforcement Learning for Autonomous Water Heater Control
title_full Deep Reinforcement Learning for Autonomous Water Heater Control
title_fullStr Deep Reinforcement Learning for Autonomous Water Heater Control
title_full_unstemmed Deep Reinforcement Learning for Autonomous Water Heater Control
title_short Deep Reinforcement Learning for Autonomous Water Heater Control
title_sort deep reinforcement learning for autonomous water heater control
topic deep Q-networks
reinforcement learning
heat pump water heater
demand response
smart grid
machine learning
url https://www.mdpi.com/2075-5309/11/11/548
work_keys_str_mv AT kadiramasyali deepreinforcementlearningforautonomouswaterheatercontrol
AT jeffreymunk deepreinforcementlearningforautonomouswaterheatercontrol
AT kuldeepkurte deepreinforcementlearningforautonomouswaterheatercontrol
AT tejakuruganti deepreinforcementlearningforautonomouswaterheatercontrol
AT heliazandi deepreinforcementlearningforautonomouswaterheatercontrol