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PowerX

Transportation · Tokyo, Japan · Founded 2021

Maritime power transfer, EV charging, and storage MoreLess

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.

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.

Keywords: BESS, energy storage, battery manufacturing, EV charging, power transfer vessel, clean energy, grid solutions, industrial batteries, offshore wind, energy distribution

Valuation $1–2.5B
Revenue $100–500M
Headcount 100–500
Total funding $100–500M
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Company overview

PowerX company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2021
Headquarters
Tokyo, Japan
Employees
129
Open positions
11
Dealroom signal
87.8
client focusb2bclient focusb2ctechnologyHardwaretechnologyDeep Techsub industryEnergy Storagesub industryMaintenancesub industryVehicle Productionbusiness modelManufacturingsectorSustainable Development GoalssectorEV ChargingsectorEV Charging HardwaresectorClimate TechsectorElectric MobilitysectorBlue Economy

Valuation & funding

PowerX funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
IPOOther financing Dec 2025 $79M Undisclosed
SERIES COther financing Sep 2024 $19M $162M Spiral Capital · Chugin Capital Partners · TOHO GAS · TODA
DEBTDebt Feb 2024 $73M Shoko Chukin Bank · JA Mitsui Leasing · Chugoku Bank · Tokyo Bank Lease
SERIES BOther financing Aug 2023 $21M $162M Yaskawa Electric · Mori Trust · Nippon Gas · JAPEX
SERIES BOther financing Jul 2023 $15M $162M Japan Green Investment Corporation for Carbon Neutrality · Senko · Spiral Capital · Nippon Gas
EARLY VCOther financing Feb 2023 My.Alpha Management · Food Techno Engineering · Chugoku Bank
SERIES AOther financing Aug 2022 J-POWER · Mori Trust · Itochu Techno-Solutions · K4 Ventures
SERIES AOther financing May 2022 Spiral Capital · Mitsui · NYK · MUFG Bank
SEEDOther financing Dec 2021 Imazo
Showing 9 recorded eventsUnlock the complete deal history →

Financials

Revenue, earnings and profit over time

Reported history and available estimates. Estimated years are marked “E”; sparse fields are left blank rather than inferred.

YearRevenueGrowthEBITDAMargin
2026 $149M 0% −$8.3M -5.6%
2025 $149M +213.4% −$8.3M -5.6%
2024 $47M +1784.1% −$40M -83.3%
2023 $2.5M −$42M -1677.7%
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

PowerX website traffic

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.

Latest monthly visits52K 3-month web change-1.9% 1-year team growth+7.5%
Monthly website visits44 observations · Dec 2022–Jul 2026
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Comparisons

PowerX compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

PowerX's talent

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Team profiled 5 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

33 investors on PowerX's cap table

Sourced from Dealroom's funding and investor records.

Seed 1 investor entered at this stage
Imazo
Series A 21 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
Food Techno Engineering
Chugoku Bank
Japan Green Investment Corporation for Carbon Neutrality
Senko
Tohoku Electric Power
Yaskawa Electric
JAPEX
TransLink Capital
NEC Orchestrating Future Fund
Series B+ 11 investors entered at this stage
Shoko Chukin Bank
JA Mitsui Leasing
Tokyo Bank Lease
Iyo Bank Capital
Morgan Stanley MUFG Securities
Mitsubishi UFJ Financial Group
Mitsubishi HC Capital
Chugin Capital Partners
TOHO GAS
TODA
SMBC Nikko Securities

Global footprint

Where PowerX has talent and traffic

Workforce by country
1 countries with
team presence
🇯🇵 Japan100%
1 country shown

In the news

Latest news about PowerX

Recent press, funding announcements, and product moves mentioning PowerX — open to read from the original sources.

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Market sentiment

What the market is saying about PowerX

An AI-synthesized read of the highest-engagement posts about PowerX on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

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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