Residential Customer Service
Whether you’re a current Green Mountain customer with a question or comment, or you’d like to join our community and help change the way power is made, we’re here to help! We wear our carbon-neutral status like a badge of honor, which is why we’re so committed to helping our customers build a cleaner, greener tomorrow. We’ve been doing just that since 1997 and look forward to the next 20 years. Find your state below to access all the ways you can contact our friendly Green Mountain Customer Service team.
Illinois
PHONE
Current customers: 1-800-274-5289
Hours: Weekdays 7 a.m. – 7 p.m. CT
New customers: 1-855-IL-GOGREEN(1-855-454-6473)
Hours: Weekdays 7 a.m. – 6 p.m. CT
ILCustomerCare@greenmountain.com
Or provide us with a few details, and we’ll get back to you within 48 hours.
ONLINE
If you’re ready to help change the way power is made, and you’ve never had an account with us before, join our clean energy community now.
ISSUES?
For outages, other emergencies or questions about your bill,
contact your utility company directly.
ComEd: 1-800-334-7661
Nicor:
1-888-642-6748
People’s Gas:
1-866-556-6002
MOVING?
Call us to transfer electricity service to your new address.
Maryland
PHONE
Current customers: 1-877-473-3646
Hours: Weekdays 8 a.m. – 8 p.m. ET
New customers: 1-855-MD-GOGREEN(1-855-634-6473)
Hours: Weekdays 8 a.m. – 7 p.m. ET
MDCustomerCare@greenmountain.com
Or provide us with a few details, and we’ll get back to you within 48 hours.
ONLINE
If you’re ready to help change the way power is made, and you’ve never had an account with us before, join our clean energy community now.
ISSUES?
For outages, other emergencies or questions about your bill,
contact your utility company directly.
BGE:
1-877-778-2222
Delmarva:
1-800-898-8042
MD GME Gas:
1-800-685-0123
Pepco:
1-877-737-2662
Potomac Edison:
1-800-686-0011
MOVING?
Call us to transfer electricity service to your new address.
Massachusetts
PHONE
Current customers: 1-844-245-9583
Hours: Weekdays 8 a.m. – 8 p.m. ET
New customers: 1-844-853-7531
Hours: Weekdays 8 a.m. – 8 p.m. ET
MACustomerCare@greenmountain.com
Or provide us with a few details, and we’ll get back to you within 48 hours.
ONLINE
If you’re ready to help change the way power is made, and you’ve never had an account with us before, join our clean energy community now.
ISSUES?
For outages, other emergencies or questions about your bill,
contact your utility company directly.
Eversource (NSTAR):
1-877-659-6326
National Grid:
1-800-465-1212
National Grid Nantucket:
1-800-322-3223
MOVING?
Call us to transfer electricity service to your new address.
New Jersey
PHONE
Current customers: 1-844-245-9582
Hours: Weekdays 8 a.m. – 8 p.m. ET
New customers: 1-800-810-7300
Hours: Weekdays 8 a.m. – 7 p.m. ET
NJCustomerCare@greenmountain.com
Or provide us with a few details, and we’ll get back to you within 48 hours.
ONLINE
If you’re ready to help change the way power is made, and you’ve never had an account with us before, join our clean energy community now.
ISSUES?
For outages, other emergencies or questions about your bill,
contact your utility company directly.
National Grid:
1-800-642-4272
Atlantic City Electric:
1-800-642-3780
JCPL:
1-800-662-3115
PSEG:
1-800-436-7734
Rockland Electric:
1-877-434-4100
MOVING?
Call us to transfer electricity service to your new address.
New York
PHONE
Current customers: 1-800-636-5690
Hours: Weekdays 8 a.m. – 8 p.m. ET
New customers: 1-877-216-4632
Hours: Weekdays 8 a.m. – 7 p.m. ET
NYCustomerCare@greenmountain.com
Or provide us with a few details, and we’ll get back to you within 48 hours.
ONLINE
If you’re ready to help change the way power is made, and you’ve never had an account with us before, join our clean energy community now.
ISSUES?
For outages, other emergencies or questions about your bill,
contact your utility company directly.
Con Edison:
1-800-752-6633
Orange & Rockland:
1-877-434-4100
Central Hudson:
1-800-527-2714
NYSEG:
1-800-572-1131
NIMO/National Grid:
1-800-642-4272
Rochester (RG&E):
1-800-743-1701
NY State Department of Public Service ESCO Hotline:
1-888-697-7728
MOVING?
Call us to transfer electricity service to your new address.
Pennsylvania
PHONE
Current customers: 1-800-286-5856
Hours: Weekdays 8 a.m. – 8 p.m. ET
New customers: 1-855-PA-GOGREEN(1-855-724-6473)
Hours: Weekdays 8 a.m. – 7 p.m. ET
PACustomerCare@greenmountain.com
Or provide us with a few details, and we’ll get back to you within 48 hours.
ONLINE
If you’re ready to help change the way power is made, and you’ve never had an account with us before, join our clean energy community now.
ISSUES?
For outages, other emergencies or questions about your bill,
contact your utility company directly.
PECO:
1-800-494-4000
PPL:
1-800-342-5775
Duquesne Light:
1-888-393-7000
Met-Ed, Penelec, Penn Power, West Penn Power:
1-888-544-4877
MOVING?
Call us to transfer electricity service to your new address.
Texas
PHONE
Current customers: 1-866-785-4668
Hours: Daily 7 a.m. – 10 p.m. CT
New customers: 1-866-301-3120
Hours: Weekdays 7 a.m. – 10 p.m. CT
Weekends 7 a.m. – 9 p.m. CT
ONLINE
Have a question or feedback? We’re here to help! Provide us with a few details, and we’ll get back to you within 48 hours.
Want to sign up?
New customers, give us a call at the number listed above or check out our plans.
MOVING?
You can transfer your service to a new address in My Account. To disconnect your service, call Customer Service.
ISSUES?
If you experience a power outage, please contact your local electricity delivery company for assistance:
Oncor:
1-888-313-4747
CenterPoint:
1-800-332-7143
AEP-Texas Central Company:
1-866-223-8508
AEP-Texas North Company:
1-866-223-8508
Sharyland Utilities:
1-800-442-8688
Texas New Mexico Power:
1-888-866-7456
Corporate office information
910 Louisiana St. Houston,TX 77002
