Private company

Shikoku Electric Power

Logo: Copyright © YONDEN Shikoku Electric Power CO.,Inc., Public domain, via Wikimedia Commons3

Japanese electric utility company

The Shikoku Electric Power Company (四国電力, Shikoku Denryoku; "Yonden" for short) is the electric provider for the 4 prefectures of the Shikoku island in Japan with some exceptions. Their image character is Akari-chan (あかりちゃん). On April 12, 1991 the company instituted Akari-chan as their image character and at the same time introduced the Romanized nickname of Yonden (yon is another reading for 4, which occurs in Shikoku).2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

May 1, 1951Founded1
Shikoku Electric Power Company
Photo: ラハール, Public domain, via Wikimedia Commons4

The Shikoku Electric Power Company (四国電力, Shikoku Denryoku; "Yonden" for short) is the electric provider for the 4 prefectures of the Shikoku island in Japan with some exceptions. Their image character is Akari-chan (あかりちゃん).2

Corporate structure

Shikoku Electric Power 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.

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Acquisitions

  1. Succeeded Japan Electric Generation and Transmission Company1

Timeline

  1. May 1, 1951Founded Founded1