P
PowerX
Maritime power transfer, EV charging, and storage
About PowerX
PowerX is a leading Japanese Deep Tech energy company and a vertically integrated manufacturer of Battery Energy Storage Systems (BESS). Founded in 2021 and led by CEO Masahiro Ito, the company operates Power Base, one of Japan’s largest battery assembly plants in Okayama. PowerX’s mission is to decarbonize the global energy grid through three core pillars: large-scale stationary storage (Mega Power), an ultrafast EV charging network (Hypercharger), and the revolutionary Power Transfer Vessel project.
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Through its subsidiary Ocean Power Grid, the company launched the world’s first "Battery Tanker" trials in 2026, establishing a maritime power grid to transport offshore wind energy. With strategic partnerships involving Mercedes-Benz, JAL, and Kyushu Electric Power, PowerX is a vital player in NIF Green Transition and Energy and NIF Security of Critical Technologies, ensuring Japan's energy resilience and self-sufficiency through domestic production and innovative distribution logistics.
At a glance
- Status
- Operational
- Founded
- 2021
- Headquarters
- Tokyo, Japan
- Employees
- 129
- Open positions
- 11
- Dealroom signal
- 87.8/100
- Sub-industry
- Energy Storage, Maintenance, Vehicle Production
- Sector
- Transportation, Sustainable Development Goals, EV Charging, EV Charging Hardware, Climate Tech, Electric Mobility, Blue Economy
- Technology
- Hardware, Deep Tech
- Business model
- Manufacturing
- Client focus
- b2b, b2c
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| IPOOther financing | Dec 2025 | $79M | — | Undisclosed | ↗ |
| SERIES COther financing | Sep 2024 | $19M | $162M | Spiral Capital · Chugin Capital Partners · TOHO GAS · TODA | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for PowerX is 52K monthly website visits, down 1.9% over the last three months. PowerX's team grew 7.5% over the past year.
Open positions
Similar companies
Company identity and context are open; selected comparison metrics preview what is available on the platform.
Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed1 investor entered at this stage
Imazo
Series A21 investors entered at this stage
Spiral Capital
Mitsui
NYK
MUFG Bank
Nippon Gas
Mizuho Leasing Future Creation Fund
J-POWER
Mori Trust
Itochu Techno-Solutions
K4 Ventures
Frontive Holding
My.Alpha Management- FEFood Techno Engineering
- CBChugoku Bank
Japan Green Investment Corporation for Carbon Neutrality
Senko
Tohoku Electric Power
Yaskawa Electric
JAPEX
TransLink Capital
NEC Orchestrating Future Fund
Series B and later11 investors entered at this stage
Shoko Chukin Bank
JA Mitsui Leasing- TLTokyo Bank Lease
- ICIyo Bank Capital
- MSMorgan Stanley MUFG Securities
Mitsubishi UFJ Financial Group
Mitsubishi HC Capital- CPChugin Capital Partners
TOHO GAS
TODA
SMBC Nikko Securities
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about PowerX on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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