Energy Storage Partnership
2025-06-30 00:40:56

Akiyama Kousan and JPN Collaborate on Energy Storage Development

Partnership Announcement: Akiyama Kousan and JPN Revitalize Energy Storage



In an effort to bolster renewable energy resources in Japan, Akiyama Kousan Co., Ltd. and Japan Energy Comprehensive System Co., Ltd. (JPN) have announced a groundbreaking partnership focused on the development of energy storage systems. Both companies, based in Kagawa Prefecture, aim to contribute significantly to Japan's journey toward achieving carbon neutrality by 2050.

Key Objectives of the Partnership


The partnership aims to develop a total output of 10 MW with an energy storage capacity of approximately 40 MWh by the year 2026. JPN is set to lead the construction and maintenance of two new energy storage facilities, which are targeted for integration by April 2026. They will also handle the aggregation of electricity through their subsidiary, RE100 Electricity, ensuring the effective distribution of renewable energy sources.

This initiative marks a crucial step towards stabilizing energy supply in Japan and expanding the adoption of renewable energy. The development of these facilities is expected to significantly enhance the country’s energy management and sustainability.

Profiles of the Companies Involved


Akiyama Kousan Co., Ltd.


Founded in 1982, Akiyama Kousan has consistently worked towards regional development through its real estate ventures while also committing to renewable energy projects. The company’s headquarters is located in Marugame City, Kagawa Prefecture, and they are dedicated to broadening their scope in energy storage technologies across Japan.

  • - Headquarters: Higashi Ni, 1787-9 Iino-cho, Marugame City, Kagawa Prefecture
  • - Capital: 10 million yen
  • - Website: akiyamakousan.co.jp

Japan Energy Comprehensive System Co., Ltd. (JPN)


Established in May 2013, JPN specializes in renewable energy initiatives, taking a proactive approach towards energy storage solutions and systems. Their headquarters is in Takamatsu City, Kagawa Prefecture.

  • - Headquarters: 1964-1 Hayashimachi, Takamatsu City, Kagawa Prefecture
  • - Capital: 100 million yen
  • - Website: jpn-energy.jp

RE100 Electricity Co., Ltd.


A subsidiary of JPN, RE100 Electricity, was founded in March 2016 and plays a fundamental role in the aggregation and distribution of renewable energy. They manage operations in the heart of Tokyo, focusing on sustainable energy practices.

  • - Headquarters: 8th floor, L.Biz Nihonbashi, 2-9-10 Nihonbashi, Chuo-ku, Tokyo
  • - Capital: 375 million yen
  • - Website: re100-denryoku.jp

Future Directions


Looking ahead, JPN is committed to harnessing the capabilities of its upcoming energy storage facilities to promote the widespread deployment of renewable energy and support the establishment of a sustainable society. This collaborative effort is not only about technological advancement but is also aimed at creating a scalable model for renewable energy production and management in Japan.

With these efforts, both Akiyama Kousan and JPN are poised to make significant contributions toward Japan's energy transition, reaffirming their dedication to environmental sustainability and progressive energy solutions in the face of a changing climate. As they advance through this partnership, the implications for Japan's energy future are promising, marking a key development in the nation’s commitment to achieving its carbon neutrality goals by 2050.


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