How to Pay Your National Grid US Bill Online

Paying Your National Grid US Bill Through Their Website

National Grid US lets you pay your electric or gas bill online through their website without calling or mailing a check. You log into your account, enter the amount you want to pay, choose a payment method, and the payment processes right away or on a date you pick. The payment shows up on your bill within one to two business days.

You do not need to set up anything special beforehand — if you have a National Grid US account number, you can pay as a guest without logging in. This is useful if you want to pay someone else's bill or if you do not have an online account yet.

Key Takeaways

• National Grid US accepts online payments through their website using a debit card, credit card, or bank account.
• You can pay as a guest using just your account number, or log into your account to see your balance and payment history.
• One-time payments process when ready or on a future date you choose; recurring payments can be set up to pay the same amount each month.
• National Grid US does not charge a fee for online payments made with a debit card or bank account, but credit card payments may carry a processing fee.
• If you miss a payment, National Grid US typically sends a late notice before disconnecting service, giving you time to pay or set up a plan.

Steps to Pay Online as a Guest

Go to the National Grid US website and look for the "Pay My Bill" or "Make a Payment" button, usually on the homepage. Click it and select "Pay as a Guest." You will need your account number, which appears on your bill or in the upper left corner of your statement.

Enter your account number and the amount you want to pay. Choose your payment method: debit card, credit card, or bank account. If you use a debit card or bank account, there is no fee. If you use a credit card, National Grid US or their payment processor may charge a fee — the exact amount shows before you confirm.

Review the payment details and the date it will process. If you want it to go through today, select that option. If you want to schedule it for a future date, enter that date instead. Click "Confirm" and you will see a confirmation number. Write it down or take a screenshot — you can use this number to track your payment.

Logging Into Your Account to Pay

If you have created a National Grid US online account, log in with your username and password. Your dashboard will show your current balance, due date, and payment history. Click "Pay Now" or "Make a Payment" to start.

From there, the process is the same as paying as a guest: enter the amount, choose your payment method, pick a payment date, and confirm. When you are logged in, you can also see past payments, set up automatic payments, and view your usage history — features not available when paying as a guest.

If you have forgotten your password, click "Forgot Password" on the login page. National Grid US will send a reset link to the email address on file. If you do not have an account yet, you can create one on the National Grid US website by entering your account number and email address.

Setting Up Automatic Payments

Automatic payments let you pay the same amount on the same day each month without logging in each time. Log into your National Grid US account, go to "Billing" or "Payments," and look for "Autopay" or "Automatic Payments." Click "Set Up" or "Enroll."

Choose the amount you want to pay each month — you can pay your full bill, a fixed dollar amount, or just the minimum. Pick the day of the month the payment should go through. Select your payment method: debit card or bank account. (Credit card automatic payments may not be available depending on your region.)

Review your settings and confirm. Your first automatic payment will go through on the date you chose. You can change or cancel automatic payments anytime by logging back into your account — National Grid US does not lock you in. If your bill amount changes, you can adjust your automatic payment amount or switch to paying your full bill each month instead of a fixed amount.

Payment Methods and Fees

National Grid US takes debit cards, credit cards, and bank account payments online. Debit card and bank account payments have no fee. Credit card payments may include a processing fee that varies by region and payment processor — National Grid US shows you the fee before you confirm, so you know the total cost upfront.

If you pay by phone, National Grid US may charge a fee for that service as well. Paying online through their website is usually the cheapest option. Some customers also pay through their bank's bill pay feature, which sends a check on your behalf — that method is free but takes longer to reach National Grid US.

What Happens If Your Payment Is Late

If your bill is not paid by the due date, National Grid US sends a late notice to the address on file. This notice gives you a window to pay before they consider disconnecting service — the exact number of days varies by state and your account history, but it is usually at least 10 to 14 days after the due date.

If you cannot pay the full amount, contact National Grid US before the due date to ask about a payment plan. They may let you split the bill into smaller payments over several weeks. Calling before you miss a payment is much easier than trying to restore service after disconnection.

If you are struggling with your bill, National Grid US also offers hardship programs and budget billing options. Budget billing spreads your yearly costs into equal monthly payments so your bill does not spike in winter or summer. These programs have different rules by state, so call National Grid US or check their website for what is available where you live.

Troubleshooting Payment Problems

If your payment does not go through, the most common reason is that your card or bank account information is incorrect or expired. Check that the card number, expiration date, and CVV are entered exactly as they appear. If you are paying from a bank account, make sure the routing number and account number are correct.

If the payment is rejected and you see an error message, write down the exact message and try again with a different payment method. If it fails a second time, call National Grid US customer service — they can tell you why the payment was declined and help you find another way to pay.

If you paid online but do not see the payment reflected on your bill after two business days, log into your account and look for a confirmation number from when you paid. Call National Grid US with that number and they can track the payment. Payments sometimes take longer during high-volume periods like winter, but two business days is the standard window.

Frequently Asked Questions

Can I pay someone else's National Grid US bill online?

Yes. Use the guest payment option and enter their account number instead of yours. You will need their account number, which is on their bill. You can pay with your own card or bank account — National Grid US does not require you to be the account holder to make a one-time payment.

Is my payment information safe when I pay online?

National Grid US uses encryption to protect your payment information, the same technology banks use. Your card or bank account details are not stored on the website unless you choose to save them for future payments. If you are uncomfortable entering your information online, you can pay by phone or mail instead.

How long does it take for an online payment to show up on my bill?

One-time payments usually appear within one to two business days. If you schedule a payment for a future date, it will not show as processed until that date arrives. Automatic payments show up on the day you set them to go through. If more than two business days have passed and you do not see it, contact National Grid US with your confirmation number.

Can I get a receipt for my online payment?

Yes. When you complete an online payment, National Grid US gives you a confirmation number on the screen. You can print that page or take a screenshot. You can also log into your account anytime to see your payment history, which shows the date, amount, and confirmation number for each payment you have made.

What should I do if I pay online but my service gets disconnected?

Call National Grid US right away with your confirmation number. If your payment went through but service was disconnected before it posted to your account, they can reconnect you. If your payment failed and you did not realize it, ask about a payment plan or hardship program while you arrange to pay the full amount.