Groton Utilities provides reliable electric and water services to customers in Groton, Connecticut. Paying your bill is straightforward with multiple secure options, including a newly launched online customer portal in early 2026 that offers improved account access, better usage insights, and easier management tools.
- For complete and up-to-date details on all payment methods, visit the official Ways to Pay page at https://grotonutilities.com/213/Ways-to-Pay. This page outlines every available option with clear instructions.
- To access the new secure online customer payment portal for one-time payments, account login, or AutoPay setup, go directly to the Bill Payment selection page at https://www.grotonutilities.com/264/Bill-Payment-Company-Selection and choose Groton Utilities. These official resources ensure you use the most current systems and receive instant payment confirmations.
Quick One-Time Payments via the New Online Portal
The new online customer payment portal (launched February 2026 in partnership with Paymentus) makes one-time or guest-style payments fast and convenient. You can pay without creating a full account in many cases by using your account number on the secure web page.
How to pay online:
- Visit https://www.grotonutilities.com/264/Bill-Payment-Company-Selection.
- Select Groton Utilities.
- Log in with existing credentials (or reset password if needed from the old portal) or proceed with one-time payment options.
- Enter your seven-digit account number and payment details.
Accepted methods include Visa, MasterCard, Discover, American Express, and electronic checks (eCheck). Groton Utilities receives instant notification, and your payment appears as pending until the next business day. You will receive a confirmation number and email receipt. This portal also supports setting up or managing AutoPay for automatic monthly payments, giving you more control and insight into your usage and billing history.
Pay by Phone (24/7 Automated Option)
Call 860-446-4000 and select Option 1 to reach the secure automated telephone payment system. Enter your seven-digit account number exactly as shown on your bill (no dashes). Accepted cards: Visa, MasterCard, American Express, and Discover.
This option is available around the clock and is ideal for quick payments when you cannot access the internet. You will receive a confirmation number for your records.
Pay In Person or Use the Drop Box
Customer Care Center / Office Location 295 Meridian Street Groton, CT 06340
Walk-in Office Hours (Payments Accepted):
- Monday: 8:00 a.m. – 6:00 p.m.
- Tuesday – Thursday: 8:00 a.m. – 4:00 p.m.
- Friday: 8:00 a.m. – 12:00 p.m.
Phone Hours: Monday–Friday 8:00 a.m. – 4:00 p.m.; Saturday 8:00 a.m. – 12:00 p.m. (closed on holidays).
For after-hours convenience, use the overnight lockbox / drop box located at the top of the stairs on the left side of the building or outside the City of Groton Municipal Building at the same address. Payments dropped after hours are processed the next business day.
Pay by Mail
Send your check or money order (no cash) with the payment stub to:
Groton Utilities P.O. Box 4109 Woburn, MA 01888-4109
Write your seven-digit account number on the check. This method has no convenience fees and is reliable for those who prefer traditional mailing. Allow extra time for postal delivery and processing.
Set Up AutoPay for Automatic Payments
Log into the new online portal through the Account Access or Bill Payment selection page. Once enrolled, your bill will be paid automatically each month from your chosen credit/debit card or bank account. This is the most convenient way to avoid late fees and ensure continuous service. You can easily manage or cancel AutoPay anytime through the portal.
Payment Arrangements and Financial Assistance
If you are having difficulty paying your bill, Groton Utilities offers payment arrangements. Contact Customer Service at 860-446-4000 or submit the Payment Agreement Form (available on the website) via email. Staff can work with you on a suitable plan. For broader assistance programs, ask about available options when you call.
Contact Groton Utilities Customer Service
Main Address & Customer Care Center 295 Meridian Street Groton, CT 06340
Phone: 860-446-4000 (select appropriate option for payments or service) Hours: As listed above for walk-in and phone support. Closed on holidays.
For the fastest help with billing questions, payments, or account issues, have your account number ready. The team provides personal assistance during business hours and supports both Groton Utilities and related Bozrah Light & Power accounts through shared systems where applicable.
Frequently Asked Questions
How do I make a one-time payment for my Groton Utilities bill without logging in?
Use the new online customer payment portal at the Bill Payment selection page. Many customers can complete a quick one-time payment by entering their account number directly on the secure site without full registration.
What are the current in-person payment hours at Groton Utilities?
Walk-in payments are accepted at 295 Meridian Street, Groton, CT 06340 during these hours: Monday 8:00 a.m.–6:00 p.m., Tuesday–Thursday 8:00 a.m.–4:00 p.m., and Friday 8:00 a.m.–12:00 p.m. An after-hours drop box is available at the same location.
Where do I mail my Groton Utilities payment?
Mail checks or money orders with your payment stub and account number written on the check to: Groton Utilities, P.O. Box 4109, Woburn, MA 01888-4109.
How do I set up automatic payments (AutoPay)?
Log into the new online portal via https://www.grotonutilities.com/264/Bill-Payment-Company-Selection, enroll in AutoPay, and select your preferred payment method (card or eCheck). Payments will then occur automatically each month.
Can I pay by phone, and what number should I use?
Yes. Call 860-446-4000 and choose Option 1 for the automated payment system. Enter your seven-digit account number. The system accepts major credit and debit cards and is available 24/7.
What should I do if I need a payment plan or assistance?
Contact Customer Service at 860-446-4000 or submit the Payment Agreement Form from the website. Representatives can help set up a manageable arrangement based on your situation.
Is there a new online portal, and how do I access it?
Yes. A new and improved online customer payment portal launched in February 2026. Access it by visiting the Bill Payment selection page on grotonutilities.com, choosing Groton Utilities, and logging in or signing up. It offers better tools for payments, AutoPay, and usage tracking.
How long does it take for online or phone payments to post?
Online and phone payments are reported instantly to Groton Utilities and appear as pending on your account until the next business day. You will receive a confirmation number and email for your records.
