What should I do if I have changes to my personal information or move? August 30, 2021 11:01 Updated You can update your information on the MyAmbit Account website or by contacting our Customer Care Center. Related articles How do I cancel service? I am currently enrolled in Ambit Energy Japan’s Guaranteed Savings Lighting Plan. Can I switch to Free Fridays Plan? Can I change my amperage? How do I renew my Guaranteed Savings Plan? Is installation work required if I change my contract type or plan?