Placeholder image

Contact GPA


Main Phone Number (671) 648-3000
Customer Service Call Center (671) 647-5787/8/9
Emergency / Trouble Call Reporting (671) 475-1472 /3 /4
Emergency / Trouble Call Reporting Fax (671) 475-5288
Report Fraud, Waste & Abuse Hotline (671) 648-3199
Report Fraud, Waste & Abuse Email ia_rps@guampowerauthority.com

Pay by Phone
EZ Pay (671) 647-5787/8/9

Pay Online
PayGPA www.paygpa.com

Customer Services

For Mailing Addresses, Business Hours and Locations Click Here.

Email Customer Service
CustomersFirst@gpagwa.com


Department Numbers
Accounts Payable (671) 648-3072
Accounts Receivable (671) 648-3075
Automated Attendant (671) 648-3000
Budget (671) 648-3068
Chief Financial Officer (671) 648-3066
Communications and Public Information (671) 648-3209
Computer Services (671) 648-3060
Controller (671) 648-3122
Customer Service (671) 647-5787
Engineering (671) 648-3011 / (671) 648-3205
Facilities (671) 648-3083
General Manager (671) 648-3225
Human Resources (671) 648-3130
Internal Auditor (671) 648-3090
Payroll (671) 648-3126
Plant Accounting (671) 648-3076
Planning and Regulatory (671) 648-3029
Procurement Materials Management (671) 648-3054/5
Procurement Dededo Supply Receiving (671) 635-2073, (671) 635-2075
Procurement Supply Transportation Receiving (671) 300-8321
Procurement Cabras Supply Receiving (671) 475-5319
Safety (671) 648-3056
SPORD (671) 648-3223

Department Fax Numbers
Accounting/Finance Fax (671) 648-3168
Communications and Public Information Fax (671) 648-3166
Customer Services Fax (671) 648-3164
General Manager/ Executive Fax (671) 648-3290
Human Resources Fax (671) 648-3160
Internal Audit Fax (671) 648-3163
Procurement Fax (671) 648-3165

Generation Administration
Generation Administration Office (671) 475-5213
Cabras #1 & #2 (671) 475-5249
Cabras #3 & #4 (671) 475-5272
Central Maintenance (671) 475-5237
Combustion Turbine Administration (671) 300-8306
Diesel Administration (671) 300-8312
Water Systems Diesel (671) 475-5243

Generation Administration Fax Numbers
Generation Administration Fax (671) 475-5216
Cabras #1 - #4 Fax (671) 475-5216
Combustion Turbine Administration Fax (671) 637-7849
Diesel Administration Fax (671) 565-8000
Water Systems Diesel Fax (671) 475-5216

Transmission & Distribution
Office (671) 635-2000 / (671) 637-4100
Fax (671) 637-6759
T&D Overhead (671) 635-2000 / (671) 637-4100
T&D Underground (671) 635-2000 / (671) 637-4100
T&D Substation (671) 635-2000 / (671) 637-4100
Supply Warehouse (671) 635-2071~7

Transportation (671) 300-8319/20


Business Hours and Locations:

Customer Service Center & Main Office Map
Gloria B. Nelson Public Service Building
688 Route 15 Fadian, Mangilao, Guam
Monday-Friday 7am-5pm
Closed on Weekends & Holidays
Phone: (671) 647-5787/8/9
Fax: (671) 648-3164


Hagatna Satellite Office
Julale Shopping Center Ste 103, 424 West O’Brien Drive, Hagåtña, Guam
Monday-Friday 8am-5pm
Closed on Weekends & Holidays
Phone: (671) 647-5787
Fax: (671) 648-3189

GPWA Upper Tumon Office
578 North Marine Corps Drive, Tamuning, Guam
Monday-Friday 7:30am-6pm
Saturday 9am-1pm
Closed on Sundays & Holidays
Phone: (671) 647-5787/8/9
Fax: (671) 648-3189

Mailing Addresses:

Customer Service Center (Utility Payments)
P. O. Box 21868, GMF, GU 96921-1868

Main Office: Gloria B. Nelson Public Service Building
688 Route 15, Suite 100, Mangilao, Guam 96913-6203

All mail
P. O. Box 21868, GMF, GU 96921