{"id":13620,"date":"2025-01-30T09:00:21","date_gmt":"2025-01-30T00:00:21","guid":{"rendered":"https:\/\/rts-pv-wp.grgr.link\/en\/?post_type=blogs&p=13620"},"modified":"2025-01-24T10:41:15","modified_gmt":"2025-01-24T01:41:15","slug":"new-measures-for-faster-grid-connection-of-storage-batteries-in-japan","status":"publish","type":"blogs","link":"https:\/\/rts-pv-wp.grgr.link\/en\/blogs\/13620\/","title":{"rendered":"New Measures for Faster Grid Connection of Storage Batteries in Japan"},"content":{"rendered":"
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Japan Solar Update: No.133 (Jan 27 ~ 31, 2025)\u00a0<\/h6>\n<\/div>\n
\"Storage<\/h6>\n<\/div>\n<\/div>\n

The Agency for Natural Resources and Energy (ANRE) under METI presented its policy to start a tentative additional measure toward prompt grid connection of grid-scale storage batteries. ANRE approves early interconnection on the condition that storage battery installers install a device which restricts charge during specific time period at their own expense. The policy will be started from April 2025.<\/p>\n

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<Key points><\/span><\/span><\/span><\/strong><\/p>\n

    \n
  • As of September 30, 2024, approx. 88 GW of grid-scale storage batteries applied for grid connection assessment nationwide, and approx. 6.2 GW applied for grid connection contracts. Compared to May 31, 2023, the volume of applications for grid connection assessment increased by about 8 times.<\/li>\n
  • Discussions are made whether to target bulk power systems and local grids for additional measures for early grid connection and whether the storage battery installation contractors bear the cost burden, and the policy is to begin implementation in April 2025<\/li>\n<\/ul>\n<\/div>\n

     <\/p>\n

    \n
    \n

    The status of applications for grid connection assessment and grid connection contract for grid-scale storage batteries (as of September 30, 2024)<\/span><\/strong><\/p>\n<\/div>\n<\/div>\n

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     <\/p>\n

     <\/p>\n

    \"Storage<\/p>\n

     <\/p>\n

    Grid connection assessment (national): 11.89 GW (as of May 31, 2023) \u2192 87.98 GW (as of Sep. 30, 2024) <\/span><\/p>\n

    Grid connection contracts (national): 1.12 GW (as of May 31, 2023) \u2192 6.23 GW (as of Sep. 30, 2024)<\/span><\/p>\n

     <\/p>\n

     <\/p>\n

    \n
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    Considerations to realize additional and provisional measures for early grid connection<\/span><\/strong><\/p>\n<\/div>\n<\/div>\n

     <\/p>\n

    \n

     <\/p>\n

    Measures to allow grid connection without grid reinforcement<\/span> will be introduced, if grid strengthening can be avoided under the premise that restriction of recharging is agreed<\/span> during certain periods, etc.<\/p>\n<\/div>\n

     <\/p>\n

    \n\n\n\n\n\n\n\n\n\n
    Item<\/th>\nSummary of discussions<\/th>\n<\/tr>\n<\/tbody>\n
    Positioning of additional measures for early grid connection<\/td>\nAdditional measures shall be applied only when the grid still needs to be strengthened even though existing measures (N-1 charging stop devices, etc.) are applied<\/td>\n<\/tr>\n
    Applicable grids and power sources (voltage class)<\/td>\nBulk power systems and local grids, grid-scale storage batteries and storage batteries, annexed to renewable energy generation facilities, for grid charging<\/span><\/td>\n<\/tr>\n
    Applicable grids (grid characteristics)<\/td>\nGeneral power transmission and distribution operators determine whether or not to apply the measures from a technical point of view<\/td>\n<\/tr>\n
    Method to restrict recharging<\/td>\nStorage battery installation contractors possess systemic safety means that restricts charging<\/td>\n<\/tr>\n
    Cost burden<\/td>\nThe cost of implementing the measures shall be borne by the storage battery installation contractors (including the operators)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    Consideration will be accelerated, and additional measures for early grid connection <\/span>are planned to be applied from April 2025<\/span><\/span><\/p>\n

     <\/p>\n

     <\/p>\n

    Figure 3 The status of applications for grid connection assessment and grid connection contract of grid-scale storage batteries, etc. <\/span><\/p>\n

    Source: Materials of the 53rd meeting of Working Group on Grid Connection of Renewable Energy (December 2, 2024), compiled by RTS Corporation<\/span><\/p>\n","protected":false},"featured_media":13664,"template":"","blogs_category":[49],"class_list":["post-13620","blogs","type-blogs","status-publish","has-post-thumbnail","hentry","blogs_category-pv-market-size-installation-volume"],"acf":[],"yoast_head":"\nNew Measures for Faster Grid Connection of Storage Batteries in Japan | 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 name=\"robots\" content=\"index, follow, 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