Green Mountain Customer Service Number

Do you need to pay your bill, and need the Green Mountain Energy customer service number? Whether you are calling from Illinois or Oregon or calling for a residence or commercial property, read on to access all the ways to contact Green Mountain Energy.

Green Mountain Customer Service Number

Green Mountain has residential service in eight states.

Illinois

For Illinois customers, call 800-274-5289 from Monday through Friday from 7 a.m. to 7 p.m. CT.

For outages or other emergencies, contact your utility directly. Are you a customer of ComEd? Call 800-494-4000. Nicor customers should call 888-642-6748. Are you a customer of People’s Gas? If so call 866-556-6002.

New Green Mountain customers can call 855-IL-GOGREEN (855-454-6473). This number is answered Monday through Friday from 7 a.m. to 6 p.m. CT.

Maryland

For Maryland customers, call 877-473-3646. This number is answered Monday through Friday from 8 a.m. to 8 p.m. ET.

For power outages or other emergencies, contact your utility company. Customers of BGE should call 877-778-2222. Delmarva customers need to dial 800-898-8042. Are you connected with MD GME Gas? Call 800-685-0123. Pepeco customers call 877-737-2662. Potomac Edison customers call 800-686-0011.

Are you in Maryland and need to sign up for service? Call 855-MD-GOGREEN (855-634-6473). This number is answered Monday through Friday from 8 a.m. to 7 p.m. ET.

Massachusetts

Do you live in Massachusetts? Call 844-245-9583, Monday through Friday from 8 a.m. to 8 p.m. ET.

To report an outage or to talk to someone about your billing, please call your local utility directly. Eversource (NSTAR) customers need to call 877-659-6326. National Grid customers call 800-642-3780, and National Grid Nantucket customers call 800-322-3223.

If you live in Massachusetts and need new service, call 844-853-7531 from Monday through Friday from 8 a.m. to 8 p.m. ET.

New Jersey

Attention residents of New Jersey! Your Green Mountain Energy number is 844-245-9582. Call Monday through Friday from 8 a.m. to 8 p.m. ET.

To report an outage or to talk to someone about your billing, please call your local utility directly. National Grid customers need to call 800-642-4272.

Other New Jersey utility customers should use the following numbers:

Atlantic City Electric – 800-642-3780

CPL – 800-662-3115

PSEG – 800-436-7734

Rockland Electric – 877-434-4100

New customers from New Jersey need to call 800-810-7300 from Monday through Friday, 8 a.m. to 7 p.m. ET.

New York

Are you a New Yorker? Here are your Green Mountain contact numbers. Call 800-636-5690 from Monday through Friday from 8 a.m. to 8 p.m. ET.

To report an outage or to talk to someone about your billing, please call your local utility directly. Here is the contact information for each service.

Con Edison: 800-752-6633

Orange & Rockland: 877-434-4100

Central Hudson: 800-527-2714

NYSEG: 800-572-1131

NIMO/National Grid: 800-642-4272

Rochester (RG&E): 800-743-1701

NY State Department of Public Service ESCO Hotline: 888-697-7728

New Yorkers seeking new service need to call 877-216-4632 from Monday through Friday, 8 a.m. to 7 p.m. ET.

Oregon

Oregon customers have one phone number. Call 800-542-8818.

Pennsylvania

Pennsylvania residents have one customer service number. It is 800-286-5856, and the phone is answered Monday through Friday from 8 a.m. to 8 p.m. ET.

If you are a Pennsylvania resident and have a power outage or other emergency, contact your electric distribution company directly:

PECO: 800-494-4000

PPL: 800-342-5775

Duquesne Light: 888-393-7000

Met-Ed, Penelec, Penn Power, West Penn Power: 888-544-4877

New Green Mountain customers in Pennsylvania should call 855-PA-GOGREEN (855-724-6473). This number is answered Monday through Friday from 8 a.m. to 7 p.m. ET.

Texas

And finally, for Texas residence, call 866-785-4668. This phone is answered Monday through Friday, 7 a.m. to 10 p.m. and on Saturdays from 9 a.m. to 5 p.m. CT. If your schedule is flexible, consider calling during these typically low call volume times to minimize your wait time. Low volume times are on Wednesday from 11:30 a.m. to 6 p.m. and Thursday or Friday from 11:30 a.m. to 8 p.m. ET.

If you experience a power outage, please contact your local electric delivery company for assistance:

Oncor: 888-313-4747

Centerpoint: 800-332-7143

AEP–Texas Central Company: 866-223-8508

AEP–Texas North Company: 866-223-8508

Texas New Mexico Power: 888-866-7456

Are you from Texas and need Green Mountain Energy service? Call 866-301-3120 from Monday through Friday 7 a.m. to 10 p.m. or Saturday from 9 a.m. to 5 p.m. CT.

Green Mountain Energy Email/Contact Form

Below is a list of the email address for each state.

Illinois – mailto:ILCustomerCare@greenmountain.com

Maryland mailto:- MDCustomercare@greenmountain.com

Massachusetts – mailto:MACustomerCare@greenmountain.com

NewJersey – mailto:NJCustomerCare@greenmountain.com

New York – mailto:NYCustomerCare@greenmountain.com

Oregon – Use the following contact form: https://www.greenmountainenergy.com/for-customers/contact-us/online-customer-contact-form/?state=Oregon.

Pennsylvania – mailto:PACustomerCare@greenmountain.com

Green Mountain Energy Mailing Address

The corporate office for Green Mountain is located in Texas. Write to

Green Mountain Energy
1303 San Antonio Street, Suite 700
Austin, TX 78701

Green Mountain Live Chat

They do not have a live chat option on their website.

Green Mountain Support Website

Green Mountain tries to answer customers’ FAQs before they have to contact customer service. Check out the list of answers from the following page:

Green Mountain Social Media Accounts

Check out Green Mountain’s Social Media Accounts.

Green Mountain’s Facebook: https://www.facebook.com/GreenMountainEnergyCompany.

Green Mountain’s Twitter: https://twitter.com/GreenMtnEnergy.

Green Mountain’s LinkedIn: https://www.linkedin.com/company/green-mountain-energy-company/.

Green Mountain’s Google+: https://plus.google.com/+greenmountainenergy.

About Green Mountain

Green Mountain Energy company is located in Texas and serves customers in eight different states.

Green Mountain Headquarters Location Map