Impacts of electric heat pumps and rooftop solar panels on residential electricity distribution grids

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Abstract

Residential electricity distribution grid capacity is based on the typical peak load of a house and the load simultaneity factor. Historically, these values have remained predictable, but this is expected to change due to increasing electric heating using heat pumps and rooftop solar panel electricity generation. It is currently unclear how this increase in electrification will impact household peak load and load simultaneity, and hence the required grid capacity of residential electricity distribution grids. To gain better insight, transformer and household load measurements were taken in an all-electric neighborhood over a period of three years. These measurements were analyzed to determine how heat pumps and solar panels will alter peak load and load simultaneity, and hence grid capacity requirements. The impacts of outdoor effective temperature and solar panel orientation were also analyzed. Moreover, the potential for smart grids to reduce grid capacity requirements was examined.
Original languageEnglish
Number of pages6
Publication statusPublished - 17 Oct 2021
Event11th IEEE PES Innovative Smart Grid Technologies Conference Europe, ISGT Europe 2021 - Espoo, Finland
Duration: 18 Oct 202121 Oct 2021
Conference number: 11
https://ieee-isgt-europe.org/

Conference

Conference11th IEEE PES Innovative Smart Grid Technologies Conference Europe, ISGT Europe 2021
Abbreviated titleISGT Europe 2021
Country/TerritoryFinland
CityEspoo
Period18/10/2121/10/21
Internet address

Keywords

  • solar panels
  • heat pumps
  • capacity planning
  • power grids
  • smart grids

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