Natural Gas Outages in Connecticut by City

Natural gas in Connecticut

• Home heating: 36.3% of 1,434,007 occupied homes heat mainly with utility gas (US 46.5%), 34th of 50 states (1 = highest). Electricity heats 18.4%, propane 5.8%, fuel oil 36.3%. Source: US Census Bureau, ACS 2020–2024 (table B25040)
• Residential gas customers, 2024: 597,512 (US 73,719,064). Source: EIA, natural gas residential consumers by state
• Residential price, 2024: $16.83 per thousand cubic feet, against $14.50 nationally; 16th of 50 states (1 = most expensive). Source: EIA, residential natural gas prices by state
• Cities we track: gas heat is most common in Hartford (64.2% of homes) and least common in Waterbury (38.2%). Source: US Census Bureau, ACS 2020–2024 (table B25040)
• Winter weather record: 659 NOAA reports of winter storms, ice, heavy snow or extreme cold in Connecticut from 2015 through 2025, most in 2015 (103); February is the peak month.
• Storm damage to gas lines: NOAA narratives mention natural gas lines, leaks or service in 1 storm episode in Connecticut since 2015. Source: NOAA Storm Events Database
• August 18, 2024, Fairfield (flash flood): “Mudslide on Shelter Rock Road in Danbury has caused a major gas leak and evacuations in the Woodland Hills Complex.” Source: NOAA Storm Events Database
• Housing age: half of Connecticut homes were built before 1967 (US 1980), so many neighborhoods still sit on older cast iron or bare steel gas mains. Source: US Census Bureau, ACS 2020–2024 (table B25035)

Checked September 2026.