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The potential for balancing the Swedish power grid with residential home batteries
Vattenfall R&D, Stockholm, Sweden.
Vattenfall R&D, Stockholm, Sweden.ORCID iD: 0000-0003-0749-7366
2021 (English)In: CIRED 2021 - The 26th International Conference and Exhibition on Electricity Distribution, Institution of Engineering and Technology, 2021, p. 2104-2108, article id 0713Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents the potential for prosumer batteries coupled to PV units to cover the national frequency balancing needs in Sweden. PV coupled residential batteries are found to be profitable with today's prices, if granted access to balancing markets. Simulations are based on national targets for solar PV production in 2040 (5-10 TWh, 5-10% of electric consumption) and current residential PV share of total installed PV capacity. In the study battery attachment rate was 50% and 15% of single family houses were equipped with 10 kW PV installation with a battery capacity of 6 kW / 7.68 kWh. In total, the battery PV systems constituted 25% of total installed capacity of PV in 2040. The results showed that 20% of the aggregated batteries capacity is sufficient to provide around 70-100% of each of the frequency reserves individually. The highest savings are gained for the households when both the primary frequency reserves, FCR-N and FCR-D, are provided by the aggregated batteries together with increasing the PV self-consumption, peak shaving and energy arbitrage. When providing frequency support the PV system payback time was reduced from 14 to 11 years when equipped with battery, compared to only installing PV.

Place, publisher, year, edition, pages
Institution of Engineering and Technology, 2021. p. 2104-2108, article id 0713
Keywords [en]
power generation economics, power markets, building integrated photovoltaics, pricing, battery storage plants, power consumption, solar power, battery management systems, profitability, power grids
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:ltu:diva-95170DOI: 10.1049/icp.2021.1613Scopus ID: 2-s2.0-85171968577ISBN: 978-1-83953-591-8 (print)OAI: oai:DiVA.org:ltu-95170DiVA, id: diva2:1724152
Conference
26th International Conference and Exhibition on Electricity Distribution (CIRED), Online, September 20-23, 2021
Funder
Vattenfall ABAvailable from: 2023-01-05 Created: 2023-01-05 Last updated: 2024-03-09Bibliographically approved

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Etherden, Nicholas

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CiteExportLink to record
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Citation style
  • apa
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Language
  • de-DE
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  • nn-NB
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Output format
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