How to Pay Your Green Mountain Energy Bill

Green Mountain Energy bill payment options and where to send your money

Green Mountain Energy is a retail electric provider in Texas that buys power on your behalf and resells it to you. When your bill arrives, you have several ways to pay: online through their website, by phone, by mail, or in person at a payment location. The method you choose affects when the payment posts to your account and whether you pay a fee.

Green Mountain Energy does not operate the power lines or meter at your home — that is handled by your local utility company (usually Oncor, AEP, or Centerpoint, depending on where you live in Texas). Your Green Mountain bill covers only the energy charge, not the delivery fee or taxes that your local utility adds. Understanding which company you are paying helps you know where to direct questions about outages or meter problems.

Key Takeaways

• Online payment through Green Mountain's website is the fastest method and typically posts within one business day.
• Phone payments are available by calling Green Mountain's customer service line, though some payment methods may carry a fee.
• Mail payments should be sent to the address printed on your bill and take seven to ten business days to post.
• Green Mountain does not offer automatic recurring payments through their website, so you must pay each bill manually or set up a reminder.
• Your Green Mountain bill is separate from your local utility bill, so you may receive two bills each month if you have not combined them.

Paying online through Green Mountain's website

The online payment portal is the most direct route. Visit Green Mountain Energy's website, log into your account, and select the bill pay option. You will need your account number (found on your bill) and a payment method: debit card, credit card, or bank account. Online payments typically post within one business day and do not carry a fee.

If you do not have an online account yet, you can create one using your account number and the zip code associated with your service address. Once you are logged in, you can view your bill, see your payment history, and check your current balance. The website also shows your contract terms and any promotional rates you may have locked in.

Paying by phone

You can pay by phone by calling Green Mountain Energy's customer service number, which is printed on your bill. Have your account number and payment method ready. Phone payments typically post within one to two business days. Some payment methods — particularly credit cards — may carry a convenience fee, so ask about the fee before you complete the transaction.

Phone payments are useful if you have questions about your bill at the same time or if you prefer speaking to a representative. The wait time varies depending on call volume, so calling during off-peak hours (early morning or late evening) may be faster.

Paying by mail

Mail payments should be sent to the address printed on your bill. Include your account number on the check or money order, and allow seven to ten business days for the payment to post. Mail is the slowest method and carries a small risk that your payment could be lost or delayed, so consider mailing your payment at least two weeks before your due date.

Write your account number clearly on the check itself, not just in the memo line. This helps Green Mountain's processing center match the payment to your account quickly. If you are paying multiple bills at once, send each to the correct address — Green Mountain's mailing address is different from your local utility's address.

Understanding your bill and payment due date

Your Green Mountain bill shows the energy charge you owe to Green Mountain, separate from the delivery and transmission charges your local utility adds. The due date is printed on the front of your bill, usually 20 to 30 days after the bill date. Paying after the due date may result in a late fee, typically a percentage of your balance.

If you have a budget billing plan or a fixed-rate contract, your bill amount may stay the same each month even though your actual usage varies. Green Mountain adjusts the difference at the end of your contract term or billing cycle. Check your bill for any notes about adjustments or true-ups.

What to do if you cannot pay on time

If you know you cannot pay by the due date, contact Green Mountain before the important date. Some customers are offered a short extension or a payment plan. Green Mountain may also refer you to local information programs if you are experiencing financial hardship. The sooner you call, the more options may be available to you.

If your account falls behind, Green Mountain may charge a late fee and eventually disconnect your service. Reconnection fees explore if your power is shut off. Contacting the company early is far less expensive than dealing with disconnection and reconnection.

Frequently Asked Questions

Can I set up automatic payments with Green Mountain Energy?

Green Mountain's website does not currently offer automatic recurring bill pay. You must pay each bill manually through their website, by phone, or by mail. Setting a phone reminder on your due date can help you remember to pay on time.

Why did I receive two bills this month?

You likely received one bill from Green Mountain Energy (your energy supplier) and one from your local utility company (the company that owns the power lines). Both bills are separate and must be paid to different companies. Check the company name and mailing address on each bill to make sure you send payment to the correct place.

Is there a fee for paying by credit card online?

Green Mountain's website does not charge a fee for online payments made with a debit card or bank account. Credit card payments may carry a convenience fee. Check the payment screen before you submit to see whether a fee applies to your chosen payment method.

How long does it take for a mailed check to post?

Mailed payments typically take seven to ten business days to reach Green Mountain and post to your account. Mail your payment at least two weeks before your due date to avoid late fees. If you are close to your due date, use online or phone payment instead.

What happens if I overpay my bill?

If you pay more than you owe, Green Mountain will credit the extra amount to your next bill. You can also request a refund of the overpayment by contacting customer service, though processing a refund may take several weeks.