Power plantPower & energy

Power X to build new battery storage system factory in Tomakomai, Hokkaido

Power X, Inc.Tomakomai, HokkaidoPublished Jul 20, 2026

Investment¥3B

PhasePlanned

Start—

CompletionJun 2027

To completion

Today

2027

About 8 months to scheduled completion.

Power X Inc. will open a new plant, 'Power Base Hokkaido,' in Tomakomai, Hokkaido, to produce large-scale grid storage battery systems, supporting renewable energy adoption in Hokkaido and Tohoku. The facility will convert an existing building and start production of the 'Mega Power 2500' container-type battery system in June 2027, with total project cost of JPY 3 billion.

Project facts

Owner: Power X, Inc.
Listing: 485A Tokyo
Facility: Power plant
Sector: Power & energy
Location: Tomakomai, Hokkaido, Japan
Investment: ¥3B — total project cost
Scale / capacity: 800 units/year (approx. 2 GWh/year)
Completion: Jun 2027
Announced: Mar 23, 2026
Themes: renewable-energy, power-grid, EV-battery

Figures and schedules are as announced by the company or the public body concerned; plans can change. Amounts that were not disclosed are recorded as not disclosed, never estimated.

More from Power X, Inc.2 projects · ¥3B disclosedCompany profile →

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