2026-10-17時事通信

Notice of construction start for high-voltage grid-scale battery storage facility "fantasista nagahama PSS (Nagahama Storage Station)"

系統用高圧蓄電所「fantasista nagahama PSS(長浜蓄電所)」の着工に関するお知らせ

fantasista Inc. announced that fantasista battery 3 LLC, a wholly owned subsidiary of its consolidated subsidiary NC MAX WORLD, began construction on 16 October 2026 of a high-voltage grid-scale battery storage station in Nagahama, Shiga Prefecture. The facility, the group's second grid storage project, will operate in markets such as the balancing market, with completion planned for March 2027 and operation from April 2027. Capacity figures are not given.

  • under construction
  • 滋賀県長浜市
  • 株式会社fantasista
  • NC MAX WORLD株式会社
  • 合同会社fantasista battery 3
  • スズカ電工株式会社

Full account

  • Press release by fantasista Inc. (via PR TIMES / Jiji.com), dated 17 October 2026; follows a 14 October 2026 announcement of construction start.
  • Project company: fantasista battery 3 LLC (fb3), 100% subsidiary of NC MAX WORLD Co., Ltd., a consolidated subsidiary of fantasista.
  • Facility: high-voltage grid-scale storage station "fantasista nagahama PSS (長浜蓄電所)", built and operated on land acquired by fb3.
  • Location: 237-1 and 238-1 Senda, Kinomoto-cho, Nagahama City, Shiga Prefecture.
  • To be operated as grid storage using the domestic balancing market (需給調整市場) etc.; the group's second grid storage project.
  • Construction start: 16 October 2026; a groundbreaking ceremony (地鎮祭) was held beforehand.
  • Suzuka Denko Co., Ltd. handles basic design and construction; preparatory works, site grading, foundations, electrical works and equipment installation to follow in sequence.
  • Schedule unchanged: completion March 2027 (planned), operation start April 2027 (planned).
  • Image based on the Gunma Ota storage station.
  • Outlook: group views grid storage as a growth business, will keep opening new stations, build know-how, and pursue extra-high-voltage (特別高圧) storage stations; also eyeing AI data center business.
  • No MW/MWh capacity stated.
日本語で読む

系統用高圧蓄電所「fantasista nagahama PSS(長浜蓄電所)」の着工に関するお知らせ

  • 株式会社fantasista(PR TIMES/時事ドットコム)、2026年10月17日付。2026年10月14日の「建設開始に関するお知らせ」に続く発表。
  • 事業主体:合同会社fantasista battery 3(fb3社)。当社連結子会社NC MAX WORLD株式会社(NC社)の100%子会社。
  • 施設:系統用高圧蓄電所「fantasista nagahama PSS(長浜蓄電所)」、取得した事業用地に建設・運営。
  • 所在地:滋賀県長浜市木之本町千田237-1、238-1。
  • 国内の需給調整市場等を活用した系統用蓄電所として運営予定。グループの系統用蓄電所事業の第2弾。
  • 着工日:2026年10月16日。着工に先立ち地鎮祭を実施。
  • 基本設計・建設はスズカ電工株式会社。準備工事、造成工事、基礎工事、電気工事及び機器設置を順次実施。
  • スケジュール(前回開示から変更なし):完工2027年3月(予定)、運用開始2027年4月(予定)。
  • イメージ図は群馬太田蓄電所がベース。
  • 今後:系統用蓄電池事業を成長事業と位置付け、継続的に新設。特別高圧蓄電所の開設に向けた取り組みを推進。AIデータセンター事業への展開も視野。
  • 出力・容量(MW/MWh)の記載なし。