What is Kashiwa City's solar power installation project?

A municipal project to install solar and battery systems at public facilities; the B&S Joint Venture was selected as top proposer.

Which facilities will receive the installations?

Refresh Plaza Kashiwa, Kashiwa Fire Station, and Minami Neighborhood Center. Final capacity to be confirmed.

What is the B&S Joint Venture?

A partnership between Bushu Gas and Sanix Engineering to support municipal decarbonization initiatives.

What are Sanix Engineering's track records?

Approximately 30,600 commercial solar installations with end-to-end service from procurement to maintenance.

What are the next steps?

Finalize system capacity through discussions with Kashiwa City and proceed with installation.

Sanix Engineering and Bushu Gas Selected as Top Proposer for Kashiwa City Solar Power Installation Project

Published Jun 17, 2026 8:40 PM ・ Updated Jun 17, 2026 12:12 PM ・ 4 min read ・ Source: PR TIMES

Sanix Engineering Co., Ltd. and Bushu Gas Co., Ltd. have formed the 'Kashiwa City B&S Joint Venture' and been selected as the top proposer for Kashiwa City's solar power and battery storage installation project at three public facilities: Refresh Plaza Kashiwa, Kashiwa Fire Station, and Minami Neighborhood Center.

Refresh Plaza Kashiwa, Kashiwa City Fire Station, Minami Neighborhood Center

Sanix Engineering Co., Ltd. (Headquarters: Fukuoka City, Fukuoka Prefecture; President and CEO: Koji Umehara) has jointly established the 'Kashiwa City B&S Joint Venture' with Bushu Gas Co., Ltd. (Headquarters: Kawagoe City, Saitama Prefecture; President and CEO: Suya Hara) and has been selected as the top proposer for the Kashiwa City Solar Power Generation Equipment and Related Systems Introduction Project. The joint venture plans to install solar power generation systems and battery storage systems at three municipal facilities in Kashiwa City, Chiba Prefecture: Refresh Plaza Kashiwa, Kashiwa City Fire Station, and Minami Neighborhood Center. The specific facilities and installation scale (capacity) will be finalized through discussions with Kashiwa City.

Sanix Engineering has established a dedicated 'Municipal Affairs Division' to support local governments in their decarbonization initiatives. The company's solar power business is characterized by end-to-end service provision, covering procurement, sales, installation, and maintenance. Leveraging its expertise from approximately 30,600 commercial solar system installations and construction projects as of April 2026, the company will continue contributing to the realization of a decarbonized society.

*This figure includes performance data from the former Sanix Co., Ltd. prior to corporate spin-off.

Overview of Sanix Engineering Co., Ltd.

・Company Name: Sanix Engineering Co., Ltd.

・Established: January 2024

・Headquarters: 2-1-23 Hakataekihigashi, Hakata-ku, Fukuoka City, Fukuoka Prefecture

・Business Activities: Sales, installation, and maintenance of commercial solar power systems; wholesale distribution of solar power equipment; and related businesses

・Website: https://www.engi.sanix.jp/

Overview of Bushu Gas Co., Ltd.

・Company Name: Bushu Gas Co., Ltd.

・Established: October 1926

・Headquarters: 32-12 Tamachi, Kawagoe City, Saitama Prefecture

・Business Activities: Distribution of city gas and gas appliances, and electricity retail

・Website: https://www.bushugas.co.jp/

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Source: PR TIMES
Category: Partnership

Sanix Engineering and Bushu Gas Selected as Top Proposer for Kashiwa City Solar Power Installation Project

⚡ Key Points

Overview of Sanix Engineering Co., Ltd.

Overview of Bushu Gas Co., Ltd.

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