Where to pay your Gastonia utility bill
Gastonia is served by Piedmont Natural Gas for natural gas and Duke Energy Carolinas for electricity. Each utility has its own billing system and payment methods, so you will need to know which one you are paying.
For Duke Energy (electricity), you can pay online at duke-energy.com, by phone at 1-800-777-3623, by mail to the address on your bill, or in person at a Duke Energy payment center. Duke Energy also accepts automatic bank payments through their website, which means your bill gets paid on the same day each month without you having to remember.
For Piedmont Natural Gas (natural gas), you can pay online at piedmontng.com, by phone at 1-800-752-7504, by mail, or through automatic payment. Both utilities charge a small fee if you pay by credit or debit card online, but bank account payments are free.
Key Takeaways
- Duke Energy handles electricity in Gastonia; Piedmont Natural Gas handles natural gas — check your bill to see which one you owe.
- Both utilities offer free automatic payments from a bank account, which prevents late payments and saves you the cost of a stamp.
- Online and phone payments post within one to two business days; mail payments take seven to ten days, so plan ahead if your due date is soon.
- If you cannot pay your full bill by the due date, contact the utility before the date to ask about payment plans or hardship programs.
- Your bill shows your account number, which you will need for any payment method except automatic bank transfer.
Reading your Gastonia utility bill
Your bill shows several key pieces of information you need to understand what you are paying for. At the top, you will find your account number, service address, and billing period — the dates the bill covers. The due date is printed clearly, usually 15 to 20 days after the bill date.
The main section shows your usage and charges. For Duke Energy electricity bills, you will see kilowatt-hours (kWh) used, the rate per kWh, and the total energy charge. Piedmont Natural Gas bills show therms used and the rate per therm. Both utilities add taxes and fees on top of the base charge. Look for line items labeled "fuel adjustment," "regulatory cost recovery," or "system development charge" — these are standard add-ons that vary month to month based on fuel costs and infrastructure maintenance.
If you have a budget billing plan, your bill will show a "levelized" amount that stays roughly the same each month, rather than spiking in summer or winter. At the bottom of the bill, you will see your account balance and the amount due.
Setting up automatic payments to avoid late fees
Automatic payment is the simplest way to ensure you never miss a due date. Both Duke Energy and Piedmont Natural Gas let you set this up online in about five minutes. You will need your account number and bank routing and account numbers.
When you enroll in automatic payment, you choose the day of the month the payment comes out of your account. Most people pick a date shortly after payday so the money is there. The payment posts within one to two business days, so if your due date is the 15th, set the automatic payment for the 10th or 12th to be safe.
You can change or cancel automatic payment at any time through the utility's website or by calling. If you need to pause a payment because of a temporary hardship, call the utility before the payment date — they can usually delay it by a few days.
What to do if you cannot pay on time
If you know you cannot pay your bill by the due date, contact the utility before that date. Do not wait until after the due date or until you receive a late notice. Duke Energy and Piedmont Natural Gas both offer payment plans that let you spread the balance over several months without a penalty.
A typical payment plan divides your past-due balance into equal installments added to your regular monthly bill. For example, if you owe $300 past due, the utility might let you pay $100 extra each month for three months while you continue paying your regular bill. The exact terms depend on how much you owe and your payment history.
Both utilities also have hardship programs for customers facing temporary financial difficulty. These programs may offer extended payment plans, lower rates, or bill forgiveness in some cases. To ask about these programs, call Duke Energy at 1-800-777-3623 or Piedmont Natural Gas at 1-800-752-7504 and explain your situation. Have your account number ready.
Understanding variable charges on your bill
Your bill includes charges that change month to month based on factors outside the utility's control. The most common is the fuel adjustment charge, which reflects the cost of coal, natural gas, or other fuels the utility burns to generate electricity or deliver gas. When fuel prices rise, this charge goes up; when they fall, it goes down. You cannot control this charge, but you can see it listed separately on your bill so you understand why your bill fluctuates.
Regulatory cost recovery charges cover the utility's expenses for meeting state and federal environmental rules. System development charges fund infrastructure upgrades like new poles, wires, or pipes. These charges are approved by the North Carolina Utilities Commission and appear on every customer's bill. They are not optional, but they are typically a small portion of your total bill — usually 10 to 20 percent.
Taxes are also added to your bill. North Carolina does not have a state sales tax on utilities, but Gastonia and Gaston County may add local taxes. Check your bill to see the exact tax rate applied to your account.
Comparing your bill month to month
Your usage and charges will vary based on the season and your household habits. Winter bills are usually higher because of heating; summer bills spike because of air conditioning. A bill from January will almost always be higher than a bill from April, even if you use the same amount of gas or electricity.
To spot real changes in your usage, compare bills from the same month in different years. If your January 2024 bill was $150 and your January 2025 bill is $200, something has changed — either your usage went up, rates increased, or both. Check the kWh or therm count on both bills to see if you actually used more energy.
If your bill jumps unexpectedly, check for a billing error first. Make sure the meter reading is reasonable — if the bill shows you used twice as much as usual, ask the utility to verify the meter reading. Meter misreads happen occasionally and can be corrected. You can also read your own meter and compare it to the bill to catch errors early.
Frequently Asked Questions
How long does it take for a payment to show up on my account?
Online and phone payments usually post within one to two business days. Mail payments take seven to ten days, so if your due date is within a week, pay online or by phone instead. Automatic bank payments post the same way — within one to two business days of the scheduled date.
Can I pay both my Duke Energy and Piedmont bills together?
No, they are separate companies with separate billing systems. You must pay each bill through its own website or payment method. However, you can set up automatic payments for both so they come out on the same day each month if you want them grouped together for budgeting.
What happens if I pay late?
Late fees are added to your account after the due date passes. The amount varies but is typically a percentage of your bill or a flat fee — check your bill or call the utility to learn the exact amount. If you are more than 30 days late, the utility may send a disconnection notice. Contact them immediately if you receive one to set up a payment plan.
Is there a way to lower my bill if I am on a fixed income?
Both Duke Energy and Piedmont Natural Gas offer programs for low-income households, including bill discounts and payment assistance. Contact the utility directly to ask about income-based rates or local assistance programs. You may also reach out to Gaston County Department of Social Services to learn about energy assistance programs in your area.
Can I change my billing date or due date?
Yes, you can request a different due date by calling the utility. This is helpful if your due date falls before payday. Duke Energy and Piedmont Natural Gas both allow you to shift your due date by a few days. Call to request the change, and it usually takes effect on your next bill.