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A framework for analyzing widespread grid intervening technologies: a case study of heat pump-integrated thermal energy storage systems in buildings.

Number: 3407

Author(s) : HIRSCHEY J., SIMMONS R. A., LACLAIR T. J., GLUESENKAMP K. R., GRAHAM S.

Summary

Heating and cooling demands of buildings require an immense amount of energy from the electric grid. Extreme temperatures or other weather events may stress the grid further by increasing the heating or cooling demands of buildings to maintain a livable indoor environment. When spread across the grid, this increase in energy demand requires grid operators to increase energy supply, often by using so-called peaker power plants. These plants are generally combustion turbines burning either natural gas or diesel fuel. As such, the emissions associated with these plants are higher than most baseload grid energy generation emissions. A building’s peak energy demand from the grid may be reduced by employing energy storage systems that activate during these periods of high building energy demand to replace or supplement energy from the grid. Heating and cooling can benefit from thermal energy storage (TES). TES integrated into a heat pump (HP) system may reduce a building’s peak energy demands during extreme temperature conditions. When deployed on a large-scale, the cumulative effect of HP-TES may reduce grid demand during critical times and abate the need for peaker power plants. This study establishes a framework around which the effect on grid emissions (CO2, NOx, and SOx) of intervening technologies, such as TES, may be examined on a large scale. As a case study, residential HP-TES is analyzed for select households in the Southern US.

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  • Original title: A framework for analyzing widespread grid intervening technologies: a case study of heat pump-integrated thermal energy storage systems in buildings.
  • Record ID : 30030248
  • Languages: English
  • Source: 2022 Purdue Conferences. 7th International High Performance Buildings Conference at Purdue.
  • Publication date: 2022
  • Document available for consultation in the library of the IIR headquarters only.

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