Private company

Okinawa Electric Power Company

Logo: 沖縄電力, Public domain, via Wikimedia Commons3

Electric utility in Japan

The Okinawa Electric Power Company, Incorporated (沖縄電力株式会社, Okinawa Denryoku Kabushiki-gaisha), OEPC or Okiden (沖電) for short, is an electric utility with its exclusive operational area of Okinawa Prefecture, Japan. It is the smallest by electricity sales among Japan’s ten regional power utilities. For comparison, its electricity sales is approximately 1⁄40 of that of The Tokyo Electric Power Company.2 It is headquartered in Machinato.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

May 15, 1972Founded1
Okidenhonten
Photo: Kattin, CC BY-SA 3.0, via Wikimedia Commons4

The Okinawa Electric Power Company, Incorporated (沖縄電力株式会社, Okinawa Denryoku Kabushiki-gaisha), OEPC or Okiden (沖電) for short, is an electric utility with its exclusive operational area of Okinawa Prefecture, Japan. It is the smallest by electricity sales among Japan’s ten regional power utilities. For comparison, its electricity sales is approximately 1⁄40 of that of The Tokyo Electric Power Company. However, it is the largest by revenue among companies headquartered in Okinawa.2

Corporate structure

Okinawa Electric Power Company sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Okinawa Electric Power Company reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

Subsidiaries and ownership

Also owns

From Wikidata.1

Acquisitions

  1. Succeeded Ryukyu Electric Power Corporation1

Timeline

  1. May 15, 1972Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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