J-POWER: brands it owns and its ownership tree
J-POWER (TSE: 9513) is a publicly listed company headquartered in Tokyo, Japan that owns 2 consumer brands.[1]
Electric Power Development, trading as J-POWER, is a Japanese power producer whose annual securities report for the year to 31 March 2026 counts 109 subsidiaries and 86 affiliates. The report says its group generates power mainly from hydro, thermal and wind plants, sells power procured on the wholesale market, and through a subsidiary wheels electricity for nine general transmission and distribution companies, all except Okinawa Electric Power. It also reports overseas generation.
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Company facts
- Legal name
- Electric Power Development Co., Ltd. (also Electric Power Development, J-Power)
- Type
- publicly listed company · see all publicly listed company owners
- Headquarters
- 🇯🇵 Tokyo, Japan
- Tickers
- TSE: 9513
- Website
- www.jpower.co.jp/english/
- Last verified
- · 1 sources
J-POWER in numbers
- J-POWER owns 2 consumer brands tracked here across 1 top-level categories; the largest is energy with 2 brands.[1]
Everything J-POWER owns
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
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Brand portfolio by category
Recent changes to this record
Frequently asked questions
What brands does J-POWER own?
J-POWER owns 2 consumer brands tracked here, including J-POWER Transmission Network and J-POWER.
Is J-POWER a Japanese company?
Yes. J-POWER is headquartered in Tokyo, Japan.
Who owns J-POWER?
J-POWER is a publicly listed company owned by its shareholders; it trades as 9513 on the TSE.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Annual Securities Report (Yuho) for the year ended 31 March 2026 - Electric Power Development — EDINET (Financial Services Agency of Japan), Annual report, published 24 June 2026; retrieved 5 October 2026.
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