A free program for Android, by KYUSHU ELECTRIC POWER CO. INC.

With Kyuden eco / Kirei Life Plus app, you will be able to save energy and get rewarded afterward.

But first, you need to be a member of Kirei Life Plus. Then register an electricity contract with member information. After that, you will have a smart meter installed in the registered electricity contract.

To continue earning points, you need to succeed in electricity saving. Get notified and participate in the challenge. There is no need to pressure yourself as this will just look like a game.

Some of the ways you can save energy are by keeping the temperature of the air conditioner close to the temperature outside the room and turning off the lights when you go out.