{"id":12946,"date":"2024-10-31T09:00:13","date_gmt":"2024-10-31T00:00:13","guid":{"rendered":"https:\/\/rts-pv-wp.grgr.link\/en\/?post_type=blogs&p=12946"},"modified":"2024-11-06T11:08:22","modified_gmt":"2024-11-06T02:08:22","slug":"grid-scale-battery","status":"publish","type":"blogs","link":"https:\/\/rts-pv-wp.grgr.link\/en\/blogs\/12946\/","title":{"rendered":"Rapid Expansion in Grid-Scale Storage Battery Connections and New Interconnection Strategies"},"content":{"rendered":"
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Japan Solar Update: No.120 (Oct 28 ~ Nov 1, 2024)\u00a0<\/h6>\n<\/div>\n
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<Key points><\/span><\/span><\/span><\/strong><\/p>\n

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  • As of June 30, 2024, applications for connection assessment of approx. 60GX of grid-scale storage battery projects have been accepted nationwide and approx. 4.5GW of those applied for connection contracts, nearly quadrupling or quintupling the figures as of May 31, 2023<\/li>\n
  • As an additional interim measure for early interconnection, an operation (charge restriction contract) that permits grid connection without strengthening the grid, on the premise that it is agreed to restrict charging in a specific cross-section<\/li>\n<\/ul>\n<\/div>\n

     <\/p>\n

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    Status of applications for connection assessment and connection contracts of grid-scale storage batteries (as of June 30, 2024)<\/span><\/p>\n<\/div>\n

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    \"grid<\/p>\n<\/div>\n

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      \n
    • Applications for connection assessment nationwide:<\/strong> 11.89 GW (as of the end of May 2023) \u2192\u300059.66 GW (as of June 30, 2024<\/strong>)<\/span><\/li>\n
    • Applications for connection contracts nationwide:<\/strong> 1.12 GW (as of the end of May 2023) \u2192\u30004.50 GW (as of March 31, 2024)<\/span><\/strong><\/li>\n<\/ul>\n<\/div>\n<\/div>\n
      \n

      Ideal Connection rules for the forward power flow side of grid-scale storage batteries<\/span><\/strong><\/p>\n<\/div>\n

       <\/p>\n

       <\/p>\n

       <\/p>\n

      On the reverse power side, a non-firm type of connection is applied. On the forward power flow side, if the operating capacity of the grid is expected to be exceeded, it is necessary to strengthen the grid in the connection assessment,<\/span> and there is an issue that it takes time to connect to the grid<\/p>\n

       <\/p>\n

      \n

      Additional interim measure for early interconnection of grid-scale storage batteries\u00a0<\/span><\/strong><\/p>\n

       <\/p>\n<\/div>\n

      In addition to the existing measures*, an operation that allows grid connection without strengthening the grid (charging restriction contract)<\/span> will be introduced, on the premise that it is agreed to restrict charging in a specific cross-section (detailed conditions and other details need to be discussed further)<\/span><\/div>\n

       <\/p>\n

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       <\/p>\n

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      *Grid enhancement introduction of N-1 charge stop device and charge control device\u00a0<\/span><\/p>\n

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      It is planned to continue to deepen its studies on the connection rules<\/span> on the forward power flow side of grid-scale storage batteries, including connection rules that do not secure grid capacity<\/span><\/p>\n

       <\/p>\n

      Fig. 1 Overview of the status of acceptance of applications for connection assessment and connection contracts for grid-scale storage batteries<\/span><\/p>\n

      Source : Materials of the 52nd meeting of Working Group on Grid Connection of Renewable Energy (September 18, 2024) complied by RTS Corporation<\/span><\/span><\/p>\n","protected":false},"featured_media":13048,"template":"","blogs_category":[49],"class_list":["post-12946","blogs","type-blogs","status-publish","has-post-thumbnail","hentry","blogs_category-pv-market-size-installation-volume"],"acf":[],"yoast_head":"\nRapid Expansion in Grid-Scale Storage Battery Connections and New Interconnection Strategies | RTS Corporation<\/title>\n<meta name=\"description\" content=\"Based upon over 40 years of our experiences and accumulated knowledge in PV,RTS Corporation has been providing in RTS Corporation is a leading PV industry \/ market consultingcompany and has been supporting the growth of the PV industry for nearly 40 years.We provide an optimal consulting service for each client interested in the PV business.\u3000Weekly PV news is available at RTS PV Blog.\" \/>\n<meta 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