03Be understood

Denko-chan (also called Denko on official pages)

Tokyo Electric Power Company Holdings, Inc. / TEPCO Energy Partner, Inc.

  • Government & public services
  • Web
  • Advertising

YataLogic’s analysis

The key point of this case

Divide broad energy-saving information by appliance and guide people toward actions they can take in everyday life.

From official information

Officially documented uses

  • On TEPCO’s official special page, Denko introduces energy-saving measures for air conditioners, lighting, televisions, vacuum cleaners, refrigerators and other appliances.
  • The page lists specific measures and estimated savings by appliance.
  • In an official 2022 commercial, Denko-chan introduced air conditioner settings, refrigerator use, energy-saving programs and power saving during tight supply conditions.
  • The character also appeared in television commercials explaining summer and winter energy-saving methods in 2023.
See the official sources used ↓

YataLogic’s view of the challenge

Which challenge does this relate to?

Even when people understand the goal of saving electricity, it may be difficult to decide what to change for each appliance while considering the effect on household spending.

Roles identified by YataLogic

The character’s job

  • Use a consistent guide for energy-saving information
  • Break appliance-specific measures into everyday situations
  • Show actions and estimated savings on the same screen

Application ideas from YataLogic

How could another business apply this?

Divide specialist information by purpose or equipment, showing what people can do today and the information needed to decide.

Where is it used?

Official energy-saving web pages and television commercials

What could you measure?

These are example measures for your own application, not reported performance figures from the featured company.

Can users choose priority appliances and specific measures for their own homes?

Sources

Source checked: 2026-09-02

Status documented in the source: Current example

Consider your own business

What job could a character do for your business?

Found a relevant example? Identify your current challenge and the job you would like a character to do.

Apply these ideas to your business

Together, we consider the character’s job based on your business, customers and use situations.

Talk to YataLogic

These cases do not prove effects caused by a character alone. Officially documented uses are presented separately from YataLogic’s analysis of their roles.

Names and trademarks belong to their respective owners. YataLogic has organized these applications from public information; inclusion does not imply a partnership or endorsement by any featured company or organization. Linked originals may be in Japanese or another language.

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