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Updated: Aug 29, 2025

Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment
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Using temperature sensitivity to estimate shiftable electricity demand.

Michael J Roberts1,2,3, Sisi Zhang1, Eleanor Yuan1

  • 1Department of Economics, University of Hawai'i at Mānoa, 2424 Maile Way, Saunders 542, Honolulu, HI 96822, USA.

Iscience
|September 12, 2022
PubMed
Summary
This summary is machine-generated.

Shifting temperature-sensitive electricity demand using thermal storage can significantly reduce grid variability. This approach complements improved transmission, helping manage renewable energy integration and climate change impacts.

Keywords:
Energy resourcesenergy managementenergy modelingenergy policy

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Area of Science:

  • Energy Systems Analysis
  • Climate Change Adaptation
  • Grid Management

Background:

  • Increasing intermittent renewable energy sources and climate change exacerbate electricity demand variability.
  • Centralized energy storage solutions are effective but often prohibitively expensive.
  • Demand-side management, particularly shifting temperature-sensitive loads, presents a cost-effective alternative.

Purpose of the Study:

  • To quantify the potential of thermal energy storage to reshape electricity loads across the continental United States.
  • To assess the impact of shifting temperature-sensitive demand on reducing electricity load variability.
  • To evaluate the combined benefits of demand shifting and improved interregional transmission.

Main Methods:

  • Paired fine-scale weather data with hourly electricity consumption data.
  • Estimated the proportion of temperature-sensitive electricity demand across 31 regions in the continental U.S.
  • Modeled the reduction in demand variability achieved by shifting temperature-sensitive loads, with and without enhanced interregional transmission.

Main Results:

  • Shifting half of the temperature-sensitive electricity demand can eliminate approximately 75% of within-day, within-region demand variability.
  • The benefits of shifting temperature-sensitive demand are complementary to those gained from improved interregional transmission.
  • Demand shifting significantly mitigates challenges associated with serving higher electricity peaks driven by climate change.

Conclusions:

  • Thermal energy storage offers a scalable and economical solution for managing electricity demand variability.
  • Integrating demand-side management strategies like thermal storage is crucial for a resilient and adaptable electricity grid.
  • The study highlights the synergistic effects of demand flexibility and grid modernization in addressing future energy challenges.