2026-10-20環境ビジネスオンライン

Solar developer Sanwa System brings its first grid-scale battery online, targets 30MW by 2027

太陽光発電のサンワシステム、初の 系統用蓄電池 稼働 2027年30MW目標

Sanwa System, a solar-focused subsidiary of trading company Takashima, announced on October 14 that its first contracted grid-scale battery project began operating in September, after the company entered the business in January 2026. It has five more projects on order and aims for 30MW by 2027 and over 100MW in the medium to long term. The article is paywalled, so only its opening portion is available.

  • operating
  • サンワシステム
  • デジタルグリッド
  • 高島

Full account

  • Sanwa System (Shinagawa-ku, Tokyo) announced on October 14 that its first contracted grid-scale battery project began operation in September.
  • The company entered the grid-scale battery business in January 2026.
  • It has already received orders for five other projects, which will start construction in sequence.
  • On project No. 1, Sanwa System handled development, design, procurement and construction. Digital Grid (Minato-ku, Tokyo) handles operation.
  • Targets: 30MW scale by 2027 and more than 100MW in the medium to long term.
  • Sanwa System is a group company of Takashima (Chiyoda-ku, Tokyo), a specialist trading company in construction materials, industrial materials and electronic devices.
  • Sanwa System had previously focused exclusively on solar power.
  • It chose grid-scale batteries as a new field where it could use the group's strong business base and its own renewable-energy know-how.
  • In January it set up a dedicated unit, the "Storage Division" (ストレージ事業部).
  • The project's location and capacity are not stated.
  • The rest of the article is behind a registration wall.
日本語で読む

太陽光発電のサンワシステム、初の 系統用蓄電池 稼働 2027年30MW目標

  • サンワシステム（東京都品川区）は10月14日、初の受注案件が9月に運転を開始したと発表。
  • 同社は2026年1月に系統用蓄電池事業へ参入。
  • 別の5件も受注済みで、順次着工予定。
  • 第1号案件では同社が開発・設計・調達・施工を担当し、デジタルグリッド（東京都港区）が運用を担う。
  • 目標は2027年までに30MW規模、中長期で100MW超。
  • 同社は建設資材・産業資材・電子デバイスの専門商社である高島（千代田区）のグループ会社。
  • これまでは太陽光発電に特化して事業を展開してきた。
  • グループの事業基盤と再エネ分野のノウハウを活用できる新領域として参入を決定。
  • 1月に専門組織「ストレージ事業部」を新設。
  • 案件の所在地・容量は記載なし。
  • 以降の本文は登録制のため未掲載。