"CHANGE" is a online service that allows you to invest in a solar power plant with your smartphone.
APY is around from 7% to 10%. You can contribute to the global sustainability, while making extra income.
Why don't you try starting investment in a solar power plant, at the same time you earn miles?
Learn More about CHANGE (Text is available in Japanese only.)

Mileage Accrual

Mileage Redemption Rate

Earn 1 mile on every JPY 200 (including tax) spent on a watt purchase with CHANGE

Mileage Accrual Eligibility

ANA Mileage Club members who purchase watts through CHANGE

How to Accrue Miles

Please register your 10-digit ANA Mileage Club membership number on the CHANGE membership registration page, and then purchase watts.

Timing of Mileage Accrual

After payment, approximately 1-2 months will be required for the miles to be credited to the mileage balance.


  • Please note that mileage accrual may not be available in conjunction with the campaigns held by CHANGE.
    For details about campaigns, please see the campaign page on the CHANGE official website.

Contact Information

Service Inquiries

CHANGE Customer Support


Operator hours: 10:00-17:00 (Not available on weekends, national holidays, or the year-end/New Year holiday period) (Text is available in Japanese only.)