A Comparison of Widespread Flexible Residential Electric Heating and Energy Efficiency in a Future Nordic Power System

Topi Rasku (Corresponding Author), Juha Kiviluoma

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    Integrating ever-increasing amounts of variable renewable energy (VRE) into the power system could benefit from harnessing widespread residential demand-side management. This paper presents case studies on the potential benefits of power-to-heat (P2H) flexibility and energy efficiency improvements in a hypothetical future Finnish detached housing stock in the year 2030, both as a part of the larger Nordic power system and in an isolated Finnish power system. The housing stock was depicted using two archetype houses modeled using a simple lumped capacitance approach, integrally optimized as a part of a stochastic linear programming unit commitment model of the power system. With sufficient amounts of VRE, residential P2H with thermal storage was found to yield more system cost savings than simple energy efficiency improvements. However, energy efficiency improvements remained more beneficial for house owners, as excessive use of residential P2H for assisting the power system could result in increased heating costs.
    LanguageEnglish
    Number of pages27
    JournalEnergies
    Volume12
    Issue number1
    DOIs
    Publication statusPublished - 2019
    MoE publication typeNot Eligible

    Fingerprint

    Electric heating
    Energy Efficiency
    Power System
    Energy efficiency
    Heating
    Renewable Energy
    Linear programming
    Costs
    Unit Commitment
    Capacitance
    Heat
    Flexibility
    Sufficient
    Hot Temperature

    Keywords

    • Demand side management (DSM)
    • Demand Response
    • Energy efficiency
    • power-to-heat
    • electric heating systems
    • renewable energy integration

    OKM Publication Types

    • A1 Refereed journal article

    OKM Open Access Status

    • 1 Open Access

    Cite this

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    abstract = "Integrating ever-increasing amounts of variable renewable energy (VRE) into the power system could benefit from harnessing widespread residential demand-side management. This paper presents case studies on the potential benefits of power-to-heat (P2H) flexibility and energy efficiency improvements in a hypothetical future Finnish detached housing stock in the year 2030, both as a part of the larger Nordic power system and in an isolated Finnish power system. The housing stock was depicted using two archetype houses modeled using a simple lumped capacitance approach, integrally optimized as a part of a stochastic linear programming unit commitment model of the power system. With sufficient amounts of VRE, residential P2H with thermal storage was found to yield more system cost savings than simple energy efficiency improvements. However, energy efficiency improvements remained more beneficial for house owners, as excessive use of residential P2H for assisting the power system could result in increased heating costs.",
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    KW - Energy efficiency

    KW - power-to-heat

    KW - electric heating systems

    KW - renewable energy integration

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