2026-09-15東京都宅建協会

ADW accelerates investment in grid-scale battery storage stations

ADW、系統用蓄電所への投資を加速

A.D.Works is accelerating investment in grid-scale battery storage stations as part of diversifying its asset business, raising its FY2026 site acquisition target from 10 to 15 and aiming to complete and operate all 15 facilities by end-2028. Its first station in Matsusaka, Mie began operating in June 2026, and a second in Mashiki, Kumamoto was completed in August.

  • operating (Matsusaka), completed (Mashiki), others planned
  • 三重県松阪市、熊本県益城町
  • エー・ディー・ワークス

Full account

  • Article dated 2026.09.14; source: R.E.port (Real Estate Information Research Institute), republished by Tokyo Takken Association.
  • A.D.Works Co., Ltd. (ADW) is accelerating investment in grid-scale battery storage stations as part of asset business diversification, leveraging its land procurement capability from existing businesses and accumulating know-how through early entry.
  • FY2026 site acquisition target raised from 10 to 15; all 15 facilities to be completed and operating by end of 2028.
  • "ADW Mie Matsusaka-shi Storage Station" began operation in June 2026, operating in the wholesale power market and the balancing (supply-demand adjustment) market.
  • Second facility, "ADW Kumamoto Mashiki-machi Storage Station", completed in August.
  • Additionally: 7 facilities in preparation for operation, 2 site acquisitions completed, and 3 more sites in prospect.
  • Investment per facility: around ¥700 million.
  • FY2026: accumulate operating track record and refine operational know-how while acquiring new development sites.
  • FY2027: capture opportunities through joint ventures and development support; expand operating revenue scale while building track record.
  • FY2028 onward: expects a secondary market for grid storage stations targeting institutional investors to gradually emerge; will rotate assets deciding between holding and selling, and aims to take on asset management after sale to improve capital efficiency.
  • Expected revenue from continuous operation: approx. ¥0.8–1.3 billion per year; expected unrealized gains from sales and asset turnover: approx. ¥1.7 billion.
  • No MW/MWh capacities given.
日本語で読む

ADW、系統用蓄電所への投資を加速

  • 2026.09.14付、出典：R.E.port（株式会社不動産流通研究所）、東京都宅建協会掲載。
  • （株）エー・ディー・ワークスはアセットビジネス多角化の一環として「系統用蓄電所」への投資を加速。既存事業の用地仕入れ力を生かし、早期参入でノウハウを蓄積。
  • 26年度中の用地取得目標を10件から15件に引き上げ、28年末までに全15施設を竣工・稼働。
  • 2026年6月「ADW三重松阪市蓄電所」運用開始、卸電力市場や需給調整市場で運用。
  • 8月に2号施設「ADW熊本益城町蓄電所」竣工。
  • 稼働準備中7施設、用地仕入れ完了2件、3ヵ所の仕入れにめど。
  • 1施設あたり投資金額は7億円前後。
  • 26年度：複数の運用実績を蓄積し運用ノウハウ高度化、新規開発用地取得も並行。
  • 27年度：共同事業や開発支援などで事業機会を獲得、トラックレコードを蓄積しつつ運用収益規模を拡大。
  • 28年度以降：機関投資家向け系統用蓄電所売買市場の確立を想定。自社保有と売却を判断し資産入れ替え、売却後のアセットマネジメント受託も企図し資本効率向上。
  • 継続運用による収益は年間約8〜13億円、売却・資産回転による想定含み益は約17億円。
  • 出力・容量（MW/MWh）の記載なし。

Attached to: ADW三重松阪市蓄電所 →