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Tamagawa Holdings Corporation

NEWS

2025/06/25: World's first(*) high-speed data communication experimentusing terahertz waves between aircraft and ground test stationsHigh-speed data communication experiment using terahertz waves between aircraft and ground experiment stations

2025/06/13: FY2025 OctoberThe 2Q Summary of Accounting Statements [Japanese Standards] (consolidated)

2025/04/08: To our investors

2025/04/07: Notice Regarding the Establishment of a “System Storage Facility Business Research and Planning Office” at Subsidiary Tamagawa Energy Co., Ltd.

2025/03/14: FY2025 October The 1Q Summary of Accounting Statements [Japanese Standards] (consolidated)

Business

Next-generation communications are being pioneered
by experts in high-frequency wireless technology.

―　Electronics and Telecommunications Equipment Business

「Introduction movie」

We protect finite Earth resources by ensuring a stable
supply of renewable energy.

―　Renewable Energy Business

「Introduction movie」

IR INFORMATION

POWER PLANT

一覧を見る

Total power generation in the country

413,146,684kwh

The CO2 reduction achieved by our developed
small-scale wind power generation.

(As of March 31, 2025)

solar power plant259,687,952kg

small wind power plant13,585,877kg

Tohoku

0power plants.

Kanto-Koshinetsu

0power plants.

Chugoku and Shikoku

0power plants.

Kyushu and Okinawa

0power plants.

Hokkaido

0power plants.

Kinki

0power plants.

Tokai

0power plants.

POWER PLANT

Total power generation in the country

0kw

The CO2 reduction achieved by our developed
small-scale wind power generation.

(As of September 30, 2023)

solar power plant0kg

small wind power plant0kg

Tohoku

0power plants.

Kanto-Koshinetsu

0power plants.

Chugoku and Shikoku

0power plants.

Kyushu and Okinawa

0power plants.

Hokkaido

0power plants.

Kinki

0power plants.

Tokai

0power plants.

Tamagawa Holdings

Tamagawa Holdings is committed to revitalizing Japanese companies and society through investment projects such as M&A and securitization businesses. We continuously pursue various business opportunities to create a sustainable future and spare no effort in our endeavors towards growth.

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