2026-10-14新電力ネット

Marubeni New Power and Sun Village complete entry into the balancing market with four grid-scale battery projects totaling 8MW/32MWh

丸紅新電力とサンヴィレッジ、系統用蓄電池4案件で需給調整市場への参入完了　合計8MW・32MWh

Marubeni New Power and Sun Village announced that all four of their jointly developed grid-scale battery projects in Tochigi and Saitama prefectures had entered the balancing market by September 2026. The projects total 8MW of output and 32MWh of storage capacity. Sun Village develops and owns the sites, while Marubeni New Power acts as aggregator.

  • operating
  • 栃木県足利市、埼玉県本庄市、埼玉県寄居町
  • 8 MW
  • 32 MWh
  • 丸紅新電力
  • サンヴィレッジ

Full account

  • Announcement date: 13 October 2026.
  • Four grid-scale battery projects completed balancing market (需給調整市場) entry by September 2026.
  • Total capacity: 8MW output, 32MWh storage.
  • Locations:
  • 1 project in Ashikaga City, Tochigi
  • 2 projects in Honjo City, Saitama
  • 1 project in Yorii Town, Saitama
  • Roles:
  • Sun Village: development and ownership of the storage sites.
  • Marubeni New Power: aggregator, handling market bidding and operation.
  • Each project passed the balancing market entry review and has begun actual supply-demand operation.
  • Marubeni New Power has received orders for 179MW of battery operation work to date.
  • It combines the wholesale, balancing and capacity markets to ensure stable operation and maximize revenue.
  • The two companies also promote a "full-package product for grid-scale batteries" covering development, construction, O&M and market operation.
  • They aim to contribute to renewable energy expansion and stable grid operation.
日本語で読む

丸紅新電力とサンヴィレッジ、系統用蓄電池4案件で需給調整市場への参入完了　合計8MW・32MWh

  • 発表日：2026年10月13日
  • 系統用蓄電池4案件すべてで、2026年9月までに需給調整市場への参入を完了。
  • 合計規模：出力8MW、蓄電容量32MWh。
  • 所在地：
  • 栃木県足利市1案件
  • 埼玉県本庄市2案件
  • 埼玉県寄居町1案件
  • 役割分担：
  • サンヴィレッジ：蓄電所の開発・保有
  • 丸紅新電力：アグリゲーターとして電力市場への入札・運用
  • 各案件は参入審査に合格し、実需給を開始。
  • 丸紅新電力はこれまでに179MWの蓄電池運用業務を受注。
  • 卸電力市場・需給調整市場・容量市場を組み合わせた運用により、安定稼働と収益最大化を図る。
  • 両社は開発から建設、運営・保守、市場運用までを一体的に支援する「系統用蓄電池のフルパッケージ商品」の提供も推進。
  • 再エネ普及拡大と電力系統の安定運用に貢献する方針。