2026-10-13住宅新報

Keiyo Gas enters domestic market with grid-scale battery storage station

京葉ガス　系統用蓄電所で国内参入

Keiyo Gas has begun full commercial operation of its first domestic grid-scale battery storage station in Isesaki, Gunma Prefecture, to meet balancing needs arising from expanded renewable energy. It follows the company's participation in a US grid battery project announced in June 2025. The article text is a short excerpt and gives no capacity figures.

  • operating
  • 群馬県伊勢崎市
  • 京葉ガス

Full account

  • Source: Jutaku Shimpo, October 13, 2026 issue, page 5 (short excerpt)
  • Company: Keiyo Gas (Ichikawa, Chiba Prefecture)
  • Started full operation of its first domestic grid-scale battery storage station, in Isesaki, Gunma Prefecture
  • Purpose: respond to power supply-demand balancing needs accompanying expanded renewable energy
  • Follows participation in a US grid-scale battery project announced in June 2025; now entering the business domestically too
  • No capacity (MW/MWh), cost or partner details given
日本語で読む

京葉ガス　系統用蓄電所で国内参入

  • 出典：住宅新報 2026年10月13日号 5面（短い抜粋）
  • 京葉ガス（千葉県市川市）
  • 群馬県伊勢崎市で同社初の国内系統用蓄電所の本格稼働を開始
  • 目的：再生可能エネルギーの導入拡大に伴う電力需給の調整ニーズに対応
  • 25年6月に公表した米国での系統用蓄電池プロジェクトへの参画に続き、国内でも同事業に参入
  • 出力・容量・事業費・協力企業の記載なし

Attached to: 伊勢崎市・京葉ガス・8MWh系統用蓄電所（仮称） →