Green Mountain Customer Service Number

Do you need to pay your bill and need the Green Mountain Energy Company customer service number? You’ll find numerous ways to contact Green Mountain Energy specific to your needs, location, and local electricity provider. These resources will help you contact customer support to track your Green Mountain energy bill, consider home solar panels for clean energy, and view all electricity plans to determine the right energy plan for your home. Green Mountain stands by its sustainability commitment and is expanding its green energy solutions to provide clean electricity without impacting its electricity rates.

Green Mountain Customer Service Number

New Green Mountain Power Customers: 855-IL-GOGREEN (855-454-6473)
Hours: Monday through Friday from 7 am to 6 pm CT.

Green Mountain Power provides residential customer service numbers in all eight states in which it offers energy plans. These customer support numbers can also help those seeking commercial customer service, information about the Green Mountain app, and looking for energy-saving tips. The main number for each state can be used to arrange business electricity plans and learn about the commercial solar buyback program. The customer support team can help connect you with customer resources to help you understand your electricity rates.

• Illinois: 800-274-5289 from Monday through Friday from 7 am to 7 pm CT.
• Maryland: 877-473-3646 Monday through Friday from 8 am to 8 pm ET.
• Maryland New Residential Customers: Call 855-MD-GOGREEN (855-634-6473) Monday through Friday from 8 am to 7 pm ET.
• Massachusetts: 844-245-9583, Monday through Friday from 8 am to 8 pm ET.
• Massachusetts New Residential Customers: 844-853-7531 from Monday through Friday from 8 am to 8 pm ET.
• New Jersey: 844-245-9582 Monday through Friday from 8 am to 8 pm ET.
• New Jersey New Residential Customers: 800-810-7300 Monday through Friday, 8 am to 7 pm ET.
• New York: 800-636-5690 Monday through Friday from 8 am to 8 pm ET.
• New York New Residential Customers: 877-216-4632 Monday through Friday, 8 am to 7 pm ET.
• Oregon: 800-542-8818
• Pennsylvania: 800-286-5856 Monday through Friday from 8 am to 8 pm ET.
• Pennsylvania New Residential Customers: 855-PA-GOGREEN (855-724-6473) Monday through Friday from 8 am to 7 pm ET.
• Texas Customers: 866-785-4668. Monday through Friday, 7 am to 10 pm; Saturdays from 9 am to 5 pm CT.
• Texas New Residential Customers: 866-301-3120 Monday through Friday, 7 am to 10 pm, Saturday from 9 am to 5 pm CT.

Power Outages or Emergencies:

• AEP–Texas Central Company: 866-223-8508
• AEP–Texas North Company: 866-223-8508
• Atlantic City Electric: 800-642-3780
• BGE: 877-778-2222
• Central Hudson: 800-527-2714
• Centerpoint: 800-332-7143
• ComEd: 800-494-4000
• Con Edison: 800-752-6633
• CPL: 800-662-3115
• Delmarva: 800-898-8042
• Duquesne Light: 888-393-7000
• Eversource (NSTAR): 877-659-6326
• MD GME Gas: 800-685-0123
• Met-Ed, Penelec, Penn Power, West Penn Power: 888-544-4877
• Nicor: 888-642-6748
• People’s Gas: 866-556-6002
• Pepeco: 877-737-2662
• Potomac Edison: 800-686-0011
• PSEG: 800-436-7734
• National Grid: 800-642-3780 or 800-642-4272
• National Grid Nantucket: 800-322-3223
• NIMO/National Grid: 800-642-4272
• NYSEG: 800-572-1131
• NY State Department of Public Service ESCO Hotline: 888-697-7728
• Oncor: 888-313-4747
• Orange & Rockland: 877-434-4100
• PECO: 800-494-4000
• PPL: 800-342-5775
• Rochester (RG&E): 800-743-1701
• Rockland Electric: 877-434-4100
• Texas New Mexico Power: 888-866-7456

Green Mountain Energy Email/Contact Form

Below is a list of each state’s Green Mountain Energy email addresses.

• Illinois – ILCustomerCare@greenmountain.com
• Maryland mailto:- MDCustomercare@greenmountain.com
• Massachusetts – MACustomerCare@greenmountain.com
• NewJersey – NJCustomerCare@greenmountain.com
• New York – NYCustomerCare@greenmountain.com
• Oregon – Use the following contact form: https://www.greenmountainenergy.com/for-customers/contact-us/online-customer-contact-form/?state=Oregon.
• Pennsylvania – PACustomerCare@greenmountain.com

Green Mountain Energy Mailing Address

The corporate office for Green Mountain is located in Texas. The mailing address is below.

Green Mountain Corporate Mailing Address:

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

Green Mountain Customer Support Website

Green Mountain provides a centralized Residential Customer Service page as a jumping-off point for the online resources you can access.

Green Mountain Residential Customer Service Page: https://www.greenmountainenergy.com/contact-us/residential

Green Mountain Social Media

• Green Mountain Facebook: https://www.facebook.com/GreenMountainEnergyCompany
• Green Mountain Twitter: https://twitter.com/GreenMtnEnergy 
• Green Mountain LinkedIn: https://www.linkedin.com/company/green-mountain-energy-company/ 

About Green Mountain

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

Customer Service Number: 1-800-274-5289

Physical Location:

Georgie Power Payments
96 Annex,
Atlanta, Georgia 30396

Company URL: https://www.greenmountainenergy.com/

Contact Points: Phone, Email, Social Media

Services Supported: Electrical Accounts, Business Accounts, Residential Accounts

Green Mountain Headquarters Location Map