Quantification of Load Flexibility in Residential Buildings Using Home Energy Management Systems

Research output: Contribution to conferencePaperpeer-review

16 Scopus Citations

Abstract

With increasing penetration of renewable energy resources, the flexibility of operating behind-the-meter (BTM) resources plays a key role in enhancing grid reliability and resilience. Residential buildings with home energy management systems (HEMS) can provide desired flexibility for the distribution system operator (DSO) while considering customer comfort and preferences. This paper discusses a methodology to quantify the flexibility of BTM resources of residential buildings using HEMS. First, we propose a model predictive control framework to formulate the flexibility band comprising nominal, upper, and lower demand profiles. Second, the paper proposes a dispatch method for HEMS to compute the control signals for each BTM resource (e.g., air conditioner, water heater, home battery system) upon receiving a flexibility service request from the DSO. The case study provides insight into the flexibility provided at the whole-home level with different user preferences and seasons. The results demonstrate that HEMS is capable of providing flexibility service at the request of the DSO while delivering primary services to the building occupants.

Original languageAmerican English
Pages1311-1316
Number of pages6
DOIs
StatePublished - Jul 2020
Event2020 American Control Conference, ACC 2020 - Denver, United States
Duration: 1 Jul 20203 Jul 2020

Conference

Conference2020 American Control Conference, ACC 2020
Country/TerritoryUnited States
CityDenver
Period1/07/203/07/20

Bibliographical note

Publisher Copyright:
© 2020 AACC.

NREL Publication Number

  • NREL/CP-5500-77746

Keywords

  • batteries
  • buildings
  • mathematical model
  • reactive power
  • state of charge
  • trajectory
  • water heating

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