Komori
West Holdings (1407) · InitiativeAdvanced

Entry into Grid-Scale Battery Storage Development with Osaka Gas

First written in FY2023-Q1. 5 of 7 entries say "Advanced", first in FY2025-H1. Latest entry: 2026-07-15.

7entries
4years
3from disclosures
Share on X
How it moved
ProgressHeldSoftenedWorseFirst statedFY2023-Q1 – FY2024-Q1AdvancedFY2025-H1 – 2026-07-152023: 120232024: 120242025: 120252026: 42026
Same theme, other companies
New Entry into the Grid-Scale Battery Storage BusinessA theme 44 companies write about · 0 as a headwind · 49 as a tailwind

26 other companies' latest entry also says "Advanced".

Ridges = years it wrote progress, valleys = years it wrote worse. Most hopeful companies at the back. Drag to turn, scroll to zoom, right-drag to pan. On a phone, two fingers turn and pinch to zoom; one finger scrolls the page.
Showing 14 of the 44 companies compared. The sentences above are computed from all 44.
Full recordFilings, disclosures and news, newest first
  1. FY2026-H1AdvancedAnnual report

    「The battery storage business, which we began in earnest in the fiscal year ending August 2025, has expanded at a pace significantly exceeding our expectations. Applications have already exceeded 1,000 sites, and we are holding interconnection consultations with transmission and distribution companies nationwide. Battery storage is important infrastructure that absorbs fluctuations in renewable energy output and contributes to power market stability. We are concentrating management resources on establishing an early market position. We have also begun developing extra-high-voltage battery storage facilities on the sites of solar power plants owned by the Group, pursuing both flow and stock businesses.」

    蓄電所事業は2025年8月期の本格着手後、申請件数が1,000か所超に達し、全国の送配電会社との連系協議、太陽光発電所敷地内の特別高圧蓄電所開発及びフロー・ストック双方を視野に入れた展開を進めている。売上高3,046百万円、営業利益911百万円を計上した。
  2. 2026-04-13AdvancedOther Disclosures

    「On 27 February 2026, we established the grid-scale battery storage fund (the “Fund”), reached final close on 27 March 2026, and commenced operations as a fund with approximately ¥7 billion in assets.」

    The grid-scale battery and storage facility development business, previously described as a new joint business with Osaka Gas Co., Ltd., progressed to the establishment and launch of a fund of approximately ¥7 billion supported by investments solicited from institutional investors.
  3. FY2025-H1AdvancedAnnual report

    「来年度以降の本格化を見込んでおりました蓄電所開発事業も、今年度に前倒しすべく複数案件で工事着手に至っております。」

    蓄電所開発事業について、来年度以降の本格化予定を今年度へ前倒しし、複数案件で工事着手に至った。
  4. FY2024-Q1RestatedAnnual report

    「また、将来に向けての取り組みとして、大規模蓄電所の開発、次世代太陽電池「ペロブスカイト太陽電池」を使った施工体制の確立、陸上風力発電所事業の事業化等、新規事業へも積極的に取り組んでまいりました。」

    系統蓄電池・蓄電所開発に関する新規事業への取り組みを継続している。
  5. FY2023-Q1First statedAnnual report

    「In November, we also entered the grid-connected battery storage development business as a joint new business with Osaka Gas Co., Ltd.」

    大阪ガス株式会社との共同新規事業として、系統蓄電池(蓄電所)の開発事業への参入を初めて記載した。
Moved together

"Diversification of Renewable Energy Sources" moved the same way as this thread, in the same document, in 4 of its 7 moves.

43★12
  1. ★This thread
  2. 1Diversification of Renewable Energy Sources4×
  3. 2Expansion of Orders for Solar Power Plant Maintenance3×

★ is this thread; numbers match the list above. The number on a line is how many documents both moved the same way in; lines between the other threads count the documents they moved together in too. Threads that move together often sit closer.

When this could move next
West Holdings's next results are scheduled for 2026-10-15. Read the earnings preview It last moved in the Earnings of 2026-07-15: "Advanced".
Entry into Grid-Scale Battery Storage Development with Osaka Gas | West Holdings Corporation (1407) | Komori