---
title: "Daiwa House, TEPCO partner to develop 1 GW grid-scale battery storage in Japan by 2035"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/290374011.md"
description: "Daiwa House and TEPCO Holdings have formed a business alliance to develop grid-scale battery storage facilities in Japan, targeting 1 GW output and 4 GWh capacity by 2035. Daiwa House will manage site acquisition, development, design, and construction, while TEPCO handles procurement, electrical works, maintenance, and operations. Projects may utilize special-purpose companies with potential external investor participation."
datetime: "2026-06-22T02:14:22.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/290374011.md)
  - [en](https://longbridge.com/en/news/290374011.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/290374011.md)
---

# Daiwa House, TEPCO partner to develop 1 GW grid-scale battery storage in Japan by 2035

-   Daiwa House entered a business alliance with TEPCO Holdings to jointly develop grid-scale battery storage facilities in Japan. \* Target set for 2035: 1 GW of output capacity, 4 GWh of storage capacity across projects nationwide. \* Daiwa House to handle site acquisition, development, design, construction; TEPCO group to procure batteries, run electrical works, maintenance, operations. \* Projects may be held via special-purpose companies, with external investor participation under consideration. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Daiwa House Industry Co. Ltd. published the original content used to generate this news brief on June 22, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here

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