Overview
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PowerX,Inc.

PowerX is a Japanese manufacturer and provider of Battery Energy Storage Systems (BESS), designing and assembling grid-scale and commercial battery power plants domestically under its 'Made in Japan' commitment. The company's core products include the PowerX Mega Power (large-scale grid-connected BESS), PowerX Cube (mid-size commercial/industrial BESS), and PowerX Hypercharger (battery-buffered ultra-fast EV charging systems), all produced at its own factory in Tamano City, Okayama. PowerX also operates power supply services and modular data center solutions, targeting renewable energy developers, real estate companies, and logistics operators, with a mission to improve Japan's energy self-sufficiency.

Market Cap
¥187B
US$1.19B
EV
¥191B
US$1.22B
Stock¥1,613▼-0.31%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
NM
LTM EV/EBIT
NM
LTM PER
NM
LTM PBR
27.2
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▲+221.2%pt
100
Dec 19, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
187BUS$1.19BMarket Cap8.90BUS$56.7M+ Debt5.00BUS$31.9M− Cash0.00BUS$0.00M− Inv. Sec.191BUS$1.22BEV
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Performance & Balance
Revenue 5Y (¥B)
0.33US$2.09M'23/126.16US$39.3M'24/1219.3US$123M'25/12
Net Income 5Y (¥B)
-6.17-US$39.3M'23/12-8.01-US$51.1M'24/12-1.65-US$10.5M'25/12
Capital Structure
44%
56%
EquityD/E 1.29xDebt
Liquidity vs Debt 5Y (¥B)▼ Net Debt
CashInv. Sec.Debt
'23/126.39US$40.7M'24/127.45US$47.5M7.43US$47.4M'25/12
Shareholders
Top 10 hold 42.5%
1
FAROUT Inc.
12.40%
2
Accumen Inc.
11.65%
3
IMABARI SHIPBUILDING CO.,LTD.
4.84%
4
NIPPON GAS CO.,LTD.
2.98%
5
Tomohiro HONDA
2.33%
6
The Master Trust Bank of Japan, Ltd. (Trust Account)
2.13%
7
Masanori MOCHIDA
1.82%
8
DOUBLE HAWKFEATHER PTE. LTD.
1.51%
9
SOUTHERN ROUTE MARITIME S. A. (Standing Proxy: Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.)
1.44%
10
TODA CORPORATION
1.44%
Management
6 officers
Masahiro ITO
Director
Dec 2000 Founded YAPPA Inc. (currently ZOZO NEXT Inc.), Representative Director, President Jul 2014 Sold all shares of YAPPA Inc. to Start Today Koumuten Inc. (currently ZOZO NEXT Inc.) Oct 2014 YAPPA Inc. became a subsidiary of Start Today Koumuten Inc. Dec 2015 Representative Director, CEO, ZOZO NEXT Inc. Jun 2017 Director, ZOZO, Inc. Jul 2019 Director and COO, ZOZO, Inc. Oct 2020 Founded FAROUT Inc., Representative Director Mar 2021 Founded the Company, Representative Director, President Mar 2022 Outside Director, Snow Peak, Inc. Mar 2022 Director and Representative Executive Officer, President and CEO, the Company (current) Mar 2022 Member, Nomination Committee and Compensation Committee, the Company (current) Apr 2023 Chairman and Representative Director, PowerX Manufacturing Inc. Feb 2024 Founded Kaijo Power Grid Inc., Representative Director, President Jul 2024 Policy Advisor, Hakodate City (current) Jan 2025 Chairman and Representative Director, Kaijo Power Grid Inc. (current) Mar 2026 President and Representative Director, PowerX Manufacturing Inc.
1983-09-05
Tadahisa KAGIMOTO
Director and Chairman of the Board
Apr 2003 Joined Kyushu University Hospital Apr 2004 Joined Hamanomachi Hospital, National Federation of Mutual Aid Associations for Civil Servants Jan 2005 Joined Kyushu University Hospital Apr 2005 Founded Accumen Biopharma Inc. (currently Accumen Inc.), Representative Director, President (current) Feb 2011 Founded Japan Retina Research Institute Inc. (currently HeiOS Inc.) Feb 2012 Representative Director, President, Japan Retina Research Institute Inc. Feb 2014 Representative Director, President, Cyregen Inc. (current) Mar 2018 Director and Representative Executive Officer, President and CEO, HeiOS Inc. (current) Mar 2021 Chairman of the Board and Director, the Company (current) Mar 2022 Member, Nomination Committee, Compensation Committee and Audit Committee, the Company (current) Jul 2023 Director, ProCellCure Inc. (current) Apr 2025 Chairman and Representative Director, Japan Medical LLM Research Institute Inc. (current)
1976-12-01
Caesar SENGUPTA
Director
Sep 2002 Joined Encentuate (acquired by IBM in 2008) May 2025 Participated as Summer Associate, Standard Chartered Bank Jul 2006 Joined Google, Inc. Mar 2009 Vice President and Product Lead, ChromeOS, Google, Inc. Apr 2015 Vice President and General Manager, Next Billion Users, Google, Inc. Jan 2018 Vice President and General Manager, Payments and Next Billion Users, Google, Inc. Jul 2021 Director, the Company Aug 2021 Director and CEO, Arta Finance (current) Oct 2021 Founder and Philanthropist, The Nudge Institute Mar 2022 Outside Director, the Company (current) Mar 2022 Member, Nomination Committee and Compensation Committee, the Company (current)
1976-01-11
Mark TERSEK
Director
Sep 1979 Joined Bank of America Corporation Aug 1984 Joined The Goldman Sachs Group, Inc. May 2008 Joined The Nature Conservancy Jul 2021 Director, the Company Mar 2022 Outside Director, the Company (current) Mar 2022 Member, Nomination Committee and Compensation Committee, the Company (current) Aug 2022 Director, RNWBL (current) Nov 2022 Director, Potential Energy Coalition Inc. (current)
1957-02-02
Mitsugu SERIZAWA
Director
Apr 1980 Joined The Mitsui Bank, Ltd. (currently Sumitomo Mitsui Banking Corporation) Apr 2001 General Manager, Corporate Planning Office, Manufacturers Bank Nov 2005 General Manager, Europe Division, Sumitomo Mitsui Banking Corporation Jul 2009 Chairman and CEO, Manufacturers Bank (U.S.) Jun 2015 President and Representative Director, SMBC International Business Co., Ltd. Apr 2018 Vice President and Director, SMBC Operation Services Co., Ltd. Nov 2021 Audit & Supervisory Board Member, the Company Mar 2022 Outside Director (Part-time), the Company (current) Mar 2022 Member, Audit Committee, the Company (current)
1957-07-28
Tatsuya SAKUMA
Director
Apr 1981 Judicial Trainee Apr 1983 Appointed Public Prosecutor (served successively at the Tokyo, Naha, Niigata and Tokyo District Public Prosecutors Offices) Apr 1990 Attached to Criminal Affairs Bureau, Ministry of Justice Jul 1993 First Secretary, Embassy of Japan in the United States of America Aug 1996 Attached to Criminal Affairs Bureau, Ministry of Justice Apr 1997 Public Prosecutor, Tokyo District Public Prosecutors Office Apr 1999 Attached to Minister's Secretariat, Ministry of Justice Oct 1999 Director, Investigation Division, Civil Liberties Bureau, Ministry of Justice Jan 2003 Director, Public Security Division, Criminal Affairs Bureau, Ministry of Justice Jun 2004 Director, Criminal Division, Criminal Affairs Bureau, Ministry of Justice Dec 2005 Deputy Director, Special Investigation Department, Tokyo District Public Prosecutors Office Jan 2007 Director-General, General Affairs Department, Tokyo District Public Prosecutors Office Jul 2008 Director, Special Investigation Department, Tokyo District Public Prosecutors Office Jul 2010 Chief Public Prosecutor, Otsu District Public Prosecutors Office Aug 2011 Director, United Nations Asia and Far East Institute for the Prevention of Crime and the Treatment of Offenders Jul 2013 Chief Public Prosecutor, Maebashi District Public Prosecutors Office Nov 2014 Chief Public Prosecutor, Chiba District Public Prosecutors Office Jun 2016 Director, Research and Training Institute, Ministry of Justice Mar 2019 Outside Director, bitFlyer, Inc. Jun 2019 Outside Director, AEON Financial Service Co., Ltd. (current) Nov 2019 Registered as attorney; opened Aoyama TS Law Office (current) Mar 2022 Outside Director, the Company (current) Mar 2022 Member, Audit Committee, the Company (current) Jun 2023 Outside Director, Riken Corporation Oct 2023 Outside Director, Riken NPR Corporation (current) Mar 2026 Member, Nomination Committee and Compensation Committee, the Company
1956-10-02
Large Shareholding Reports
Acumen Co., Ltd., Representative Director Tadahisa KAGIMOTO
2026-09-29
12.28%→10.22%
Imabari Shipbuilding Co., Ltd.
2026-09-02
6.02%→4.58%
Annual report (as of 2026-06-30): 4.84%
FAROUT Co., Ltd.
2026-07-09
12.40%→12.26%
Annual report (as of 2026-06-30): 12.40%
FAROUT Co., Ltd.
2026-07-09
13.06%→12.40%
Annual report (as of 2026-06-30): 12.40%
Acumen Co., Ltd.
2026-01-08
12.28%
Annual report (as of 2026-06-30): 11.65%
FAROUT Co., Ltd.
2025-12-25
13.06%
Annual report (as of 2026-06-30): 12.40%
Imabari Shipbuilding Co., Ltd.
2025-12-24
6.02%
Annual report (as of 2026-06-30): 4.84%
Disclosures
No disclosures
Primary Source Filings
EDINET
2026-09-29
Large Shareholding Report
EDINET
2026-09-02
Large Shareholding Report
EDINET
2026-08-13
Semi-Annual Securities Report
Period: Jan 2026 – Dec 2026
EDINET
2026-07-09
Large Shareholding Report
EDINET
2026-07-09
Large Shareholding Report
EDINETAmended
2026-06-26
Amended Annual Securities Report
Period: Jan 2025 – Dec 2025
TDnetAmended
2026-06-25
Q1 Earnings Flash
FY ending Dec 2026
TDnet
2026-05-14
Q1 Earnings Flash
FY ending Dec 2026
EDINETAmended
2026-03-31
Amended Annual Securities Report
Period: Jan 2025 – Dec 2025
EDINET
2026-03-25
Annual Securities Report
Period: Jan 2025 – Dec 2025
EDINET
2026-01-08
Large Shareholding Report
EDINET
2025-12-25
Large Shareholding Report
EDINET
2025-12-24
Large Shareholding Report
EDINETAmended
2025-12-10
Amended Securities Registration Statement
EDINETAmended
2025-12-03
Amended Securities Registration Statement
EDINET
2025-11-21
Securities Registration Statement
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