Register Your Account

Please register your account to enable online account management.  You will need your Green Mountain Account number and ESI ID number to complete the registration process. You can find the Green Mountain Account and ESI ID information on the upper right side of your most recent Green Mountain electricity invoice.

Account Number


Username and Password

Your Username must be at least 6 characters long and should not contain special characters or spaces.


Your Password must meet the following criteria:
  • Must contain at least 8-20 characters in length 
  • Must contain at least one uppercase and one lowercase letter 
  • Must contain at least one number; and 
  • May contain special characters such as &, #, @, etc.

Email Address

Please enter your contact information.  Your email address will be used to contact you regarding your Green Mountain account.

Authorization Agreement