Gas Utilities Directory — utility profile
Connecticut Natural Gas (CNG)
Connecticut · Investor-Owned · Major Regulated
Utility overview
- Utility name
- Connecticut Natural Gas (CNG)
- Legal name
- Connecticut Natural Gas Corporation
- Parent organization
- AVANGRID, Inc.
- Ownership type
- Investor-Owned
- Utility class
- Major Regulated
- Rate jurisdiction
- Connecticut Public Utilities Regulatory Authority
- State directory
- Connecticut utilities
- Customer classes
- Commercial, Residential
Official website and contact
- Official website
- www.cngcorp.com
- Customer service phone
- Not published
- Not published
Contact details are shown only where the utility publishes them.
Published state services
Connecticut
Greater Hartford–New Britain and Greenwich; ~189,000 customers.
Customer classes: Commercial, Residential
Last confirmed: August 20, 2026
State customer informationVerification sources
- Company Overview
Connecticut Natural Gas Corporation · Official Utility Website — CNG serves 189,000+ customers; natural gas LDC. (accessed 2026-08-20)
- Service Area
Connecticut Natural Gas Corporation · Municipal Utility Website — Service area towns listed. (accessed 2026-08-20)
- Gas
Connecticut Public Utilities Regulatory Authority · State Regulator Inventory — PURA names Connecticut Natural Gas Corporation as regulated CT gas utility. (accessed 2026-08-20)
- Industries We Regulate
Connecticut Public Utilities Regulatory Authority · State Regulator Inventory — PURA regulates Connecticut Natural Gas Corporation among Connecticut gas utilities. (accessed 2026-08-20)