Utility overview
- Legal name
- Connecticut Natural Gas Corporation
- Parent organization
- AVANGRID, Inc.
- Ownership type
- Investor-Owned
- Utility class
- Major Regulated
Official website and contact
- Official website: Visit official website (opens in a new tab)
- Customer service: Not listed
- Gas emergency: Not listed
- Email: Not listed
- Address: Not listed
Published state services
Connecticut — CT
Service area: Greater Hartford–New Britain and Greenwich; ~189,000 customers.
Rate jurisdiction: Connecticut Public Utilities Regulatory Authority
Customer classes: Commercial, Residential
Last confirmed: Aug 20, 2026
- State customer URL: Open link (opens in a new tab)
- Tariff or territory source: Open link (opens in a new tab)
Utility identity sources
- Company Overview (opens in a new tab)
Official Utility Website · Connecticut Natural Gas Corporation
- Service Area (opens in a new tab)
Municipal Utility Website · Connecticut Natural Gas Corporation
State-service sources
Connecticut — CT
- Gas (opens in a new tab)
State Regulator Inventory · Connecticut Public Utilities Regulatory Authority
- Industries We Regulate (opens in a new tab)
State Regulator Inventory · Connecticut Public Utilities Regulatory Authority
Verified utility identity
Verified means GCC confirmed utility identity, retail gas-distribution status, and state-service evidence against authoritative sources.
Confirmation status
- Last confirmed
- Aug 20, 2026
- Reconfirmation status
- Current
Directory-information notice
GCC provides directory information only. Listings are not legal advice, regulatory advice, endorsements, or guarantees of utility service eligibility.
Service-area summaries are high-level and do not guarantee service at a specific address. Contact the listed utility directly for address-level eligibility.