A new kind of energy company
Our mission is to accelerate the adoption of renewable energy by storing, transporting & supplying clean power
Driving Decarbonization with Vertically Integrated Energy Solutions
PowerX is a vertically integrated BESS manufacturer and operator, delivering both advanced batteries and the energy they store. By replacing combustible fuels with high-quality, cost-efficient battery systems and advanced energy controls, PowerX is committed to driving decarbonization and energy security globally.
Corporate Governance
Director, President & CEO
Masahiro Ito
Masa launched his first company Yappa at just 17 years old. In 2014, Masa joined ZOZO Group through M&A and served as the CEO of ZOZO Technologies. Later, Masa was appointed as the Board member and COO of ZOZO, which is now well-known for his many innovative inventions, including 3D body measuring devices such as ZOZOSUIT and ZOZOMAT.
Chairman of the Board
Hardy T S Kagimoto, M. D.
Hardy is the Founder, Chairman and CEO of Healios, a biotech company leading the development of stem cell derived regenerative therapies. Prior to that, he founded and ran as President and CEO of Aqumen Biopharmaceuticals. Graduated from Kyushu University School of Medicine, Hardy holds patents in the US, Europe, Japan and China.
External Director
Paolo Cerruti
Paolo is Co-Founder and COO of Northvolt, a homegrown European battery company that is building a Gigafactory in Sweden and has to date raised more than 6.5 Bn USD. Previously, Paolo was the VP of Purchasing and Industrial Strategy for Tesla, and was instrumental in the early scale-up of the company and its operations.
External Director
Caesar Sengupta
Caesar was formerly the VP and GM of Payments at Google, leading the Next Billion Users initiative across the company. He also oversaw Chrome OS, Google Pay and managed all payment systems. After 15 years at Google, Caesar has launched his new fintech startup Arta.
External Director
Mark Tercek
Mark led the environmental NGO the Nature Conservancy as its CEO for 11 years until 2019. Previously, he was MD and Partner at Goldman Sachs for 24 years. Mark now advises companies, investors, and NGOs on environmental strategies. He was recently appointed as Senior Advisor at Centerview Partners.
External Director
Mitsugu Serizawa
Mitsugu first joined Mitsui Bank (now Sumitomo Mitsui Banking Corp.) in 1980 and was appointed as COO of SMBC Europe Ltd. in 2005. Later, he led Manufacturers Bank (US) as Chairman and CEO. From 2015, he oversaw SMBC International Business as President and from 2018 to 2020 SMBC Operation Service as Deputy President.
External Director
Tatsuya Sakuma
Tatsuya was the Public Prosecutor of Tokyo, Naha and Niigata District Public Prosecutors Offices before being appointed to multiple government offices including the Ministry of Justice, Tokyo District Public Prosecutors Office and more. He is now a lawyer and the Outside Director of companies such as AEON Financial Group.
Leadership
Director, President & CEO
Masahiro Ito
Masa launched his first company Yappa at just 17 years old. In 2014, Masa joined ZOZO Group through M&A and served as the CEO of ZOZO Technologies. Later, Masa was appointed as the Board member and COO of ZOZO, which is now well-known for his many innovative inventions, including 3D body measuring devices such as ZOZOSUIT and ZOZOMAT.
Executive Vice President
Etsuo Sato
Etsuo graduated from the University of Tokyo’s Faculty of Economics and completed graduate studies at Princeton University Woodrow Wilson School. He joined the Ministry of International Trade and Industry (now METI) in 1987, focusing on energy policy. In 2012, he became Director of the Policy Division at the Agency for Natural Resources and Energy, followed by his role as Director-General at the Small and Medium Enterprise Agency in 2014. Later, he became Executive Director of the Organization for Cross-regional Coordination of Transmission Operators, and in 2019, Secretary-General of the Electricity and Gas Market Surveillance Commission. After retiring in 2022, he became a Senior Advisor at MUFG Bank. Since July 2023, he had also been serving as a Senior Advisor at PowerX.
Corporate Executive Officer
Toshiyuki Fujita
Toshi led RareJob as its Director and CFO in 2012 and was appointed as the Executive VP in 2015. Prior to that, Toshi worked for KPMG, where he engaged in M&A and corporate reinvigoration. He also has experience taking an IT start-up public on TSE Mothers as its Director and CFO after working for Deloitte Touche Tohmatsu.
BESS Business Executive Officer
Hidemi Nakaya
Hidemi joined Keyence in 1996 after working at an automotive company. He specialized in sales consulting and marketing before transitioning to the Business Development Division and the Global Business Development Division. From 2014, Hidemi led the business expansion of Keyence’s overseas subsidiaries, serving as CBDO (Chief Business Development Officer) at the German subsidiary and as Director of the Singapore subsidiary.
Product Development & Production Executive Officer
Michinori Ikezoe
Michinori joined SANYO Electric in 1997 and was in charge of cell and module mechanical design. In 2002, he joined Nissan Motor and led the HEV/EV battery pack design. Later, Michinori was responsible for the medium and long-term of EV technology strategy planning, led Nissan's EV vehicle projects, and was the head of the development department of HEV/EV batteries, chargers, DCDC converters and battery strategy.
EV Charging Business Executive Officer
Kohei Morii
After graduating from Waseda University in 2002, Kohei joined Mitsui & Co.'s Project Division, handling power project development and energy service businesses. Later he led new business development and was in charge of power projects in South America and global acquisitions in the renewable energy sector. Kohei joined PowerX in August 2022 as Head of the EV Charging Station Business Division.
Non-Excective Director
Yusuke Kojima
After earning his master's in engineering from the University of Tokyo in 2008, Yusuke worked at a major electrical manufacturer and a foreign consulting firm. In 2014, he joined a leading new power company as Head of Retail Electricity, growing the business to over 50 billion yen. Yusuke became independent in 2023, providing management support in the energy sector. He also serves as a representative director of the Renewable Energy Promotion New Power Association and as an academic specialist at the University of Tokyo.
Company Profile
Company Name
PowerX, Inc
Founding Date
March 22, 2021
Leadership
Director, President & CEO
Masahiro Ito
Chairman of the Board
Hardy T S Kagimoto, M. D.
External Director
Paolo Cerruti
Caesar Sengupta
Mark Tercek
Mitsugu Serizawa
Tatsuya Sakuma
Locations
Tokyo Headquarters
Midtown Tower 43F, 9-7-1 Akasaka, Minato-ku, Tokyo, Japan 107-6243
Annex / Show room
AXALL Roppongi 2F, 7 Chome-8-6 Roppongi, Minato City, Tokyo 106-0032
Okayama Battery Factory
Tai 6-9-1, Tamano, Okayama, Japan 706-0001
Tokushima Partner Factory
Takagawara 1524-3, Takagawara, Ishii, Myozai District, Tokushima 779-3223
Businesses
Manufacturing and sales of large-scale storage batteries
EV charging stations and services
R&D and production of Battery Tankers
Power supply business
Capital
15.946 billion yen (capital reserve included)
Affiliated Companies
PowerX Manufacturing, Inc.
Company Name
PowerX Manufacturing, Inc.
Founding Date
April 28, 2023
Leadership
Chairman of the Board
Masahiro Ito
CEO
Michinori Ikezoe
Board member
Hidemi Nakaya
Locations
6-9-1 Tai, Tamano, Okayama
Businesses
Contract manufacturing of battery products
Capital
300 million yen
Ocean Power Grid, Inc.
Company Name
Ocean Power Grid, Inc.
Founding Date
February 9, 2024
Leadership
Chairman & Representative Director
Masahiro Ito
President & Representative Director
Hideyuki Onishi
Director
Naoki Sato
Part-time Director
Yusuke Kojima
Auditor
Toshiyuki Fujita
Outside Director
Shuji Murakami
Locations
Midtown Tower 43F, 9-7-1 Akasaka, Minato-ku, Tokyo, Japan 107-6243
Businesses
Development and sales of Battery Tankers
Maritime power transport and sales using Battery Tankers
Sales of marine batteries
Capital
10 million yen (capital reserve included / 100% subsidiary of PowerX, Inc.)
Shareholders & Investors
Imabari Shipbuilding
NYK Line
Spiral Capital K.K.
Japan Airlines & TransLink Innovation Fund, L.P. (JAL Innovation Fund)
Mitsui & Co.
MY.Alpha Management HK Advisors Limited
SHOEI KISEN KAISHA, LTD.
BEMAC Corporation
SENKO Group Holdings Co., Ltd.
Japan Petroleum Exploration Co., Ltd. (JAPEX)
YASKAWA Electric Corporation
Anchor Ship Partners Group
Mori Trust Co., Ltd.
Future Creation Capital Co., Ltd (Mizuho Leasing CVC)
Electric Power Development Co., Ltd.
K4 Ventures GK (Kansai Electric Power Group)
Tohoku Electric Power Co., Inc.
NIPPON GAS CO., LTD.
Frontive Holding
ITOCHU Corporation
MUFG Bank
JA Mitsui Leasing, Ltd.
Sompo Japan Insurance Inc.
TATSUMI SHOKAI CO.,LTD
Tokyo Century Corporation
NAMICS CORPORATION
JAPAN GREEN INVESTMENT CORP. FOR CARBON NEUTRALITY（JICN）
NEC and Translink Orchestrating Future Fund, L.P.
Shikoku Electric Power Company, Incorporated
Mizuho Capital Co.
Mitsubishi Corporation
Chugin Capital Partners Co., Ltd.
FOOD TECHNO ENGINEERING CO., LTD.
3.9 GWh per year:
The largest storage battery module factory in Japan
About Power Base
Zero pollution. Eco friendly. Respectful to our neighbors.
Power Base is a clean, environmentally conscious factory that is built to exist as one with nature. It’s where gentle breezes blow in from the sea, and sunlight filters through the trees. Designed to have minimal impact on surrounding ecosystems and local communities, this is our vision for the future: Where society coexists with nature, thriving on clean and renewable energy.
R&D Center and office spaces
The smooth architecture of the building gently curves up and down, connecting offices, meeting rooms, and research labs, while opening up its walls to reveal the outside environment. The elevated boardroom, which can be used by all, overlooks the beautiful sea and scattered islands of the Seto Inland Sea.
Construction Timeline
Summer 2023
Completion of Power Base manufacturing plant
Okayama Factory :
6-9-1 Tai, Tamano-shi, Okayama 706-0001
Tokushima Factory :
1524-3 Takakawahara Takakawahara, Ishii-machi, Meisei-gun, Tokushima
2025
Completion of offices and lab facilities
Addition of offices, labs, cafeterias, and open spaces for new ways of working. Our goal is to create a place where people can work comfortably and feel one with the surrounding environment.
Tamano, a charming port town with a history of shipbuilding, invites visitors to imagine a decarbonized future.
Power Base is conveniently located near Uno Port in Tamano City, a key port that connects the Setouchi islands to mainland Japan. We invite visitors to freely visit our open spaces and outdoor gardens to see firsthand the work that we do for a brighter future.
Architect
Sejima Kazuyo
Architect and founder of Kazuyo Sejima & Associates (est. 1987). In 1995, she co-founded the renowned architecture firm SANAA with Ryue Nishizawa, and served as General Director of the 12th International Architecture Exhibition at the Venice Biennale in 2010. She has won various awards and honors including a Architectural Institute of Japan Award*, Golden Lion* at the Venice Biennale International Architecture Exhibition, Pritzker Architecture Prize*, Officier de l’Ordre des Arts et des Letters, and the Medal with Purple Ribbon, among others. Major architectural works include the 21st Century Museum of Contemporary Art* (Kanazawa, Japan), Rolex Learning Center* (Lausanne, Switzerland), and Louvre Reims* (Reims, France). *as SANAA.