By Phone
To pay by phone using your Visa and Mastercharge credit or debit card, call the GPA Customer Service Call Center at 647-5785/8/9. This service is for residential customers only.

Online
Pay GPA (Residential Customers only). Go to www.payGPA.com

By Mail
Mail your payment stub and check to Guam Power Authority, P.O. BOX 21868, Barrigada, GU 96921-1868.

In Person
Pay by credit card, debit card or check at any of the convenient locations listed below. Visa and Mastercard are accepted. (Only residential customers may pay with charge cards).
Payment Center Locations/Hours/Phone Numbers