Average Heating Bill in Connecticut → New London County
$490/mo
$2,942/year
$1.47/sq ft (oil heat, 2,000 sq ft home)
↑ Oil prices are up 5.6% over the past 6 weeks, which affects current heating bills. View price trends.
| Fuel | Local Price | Cost/MMBTU | Annual Cost | Monthly (Heating) |
|---|---|---|---|---|
| Natural Gas Cheapest | $1.89/therm | $20 | $1,633 | $272 |
| Heat Pump | $0.30/kWh | $30 | $2,398 | $400 |
| Heating Oil | $4.30/gallon | $37 | $2,942 | $490 |
| Electric Baseboard | $0.30/kWh | $89 | $7,194 | $1,199 |
Cheapest option for this area
Natural Gas
$1,633/year estimated — saving $1,309/year vs heating oil
Average monthly heating costs during the October–March season for a 2,000 sq ft home in New London County:
Based on a 2,000 sq ft home with 85% oil furnace efficiency, COP 3.0 heat pump, NOAA 30-year normal heating degree days (5,754 HDD for New London County), and current EIA state-average energy rates. Oil prices reflect local median from 14 tracked suppliers.
Data updated 2026-07-17.
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If you're staying with oil heat, compare local suppliers to find the best price. The spread in New London County can be $0.50–$1.00/gallon.
Median: $4.30/gal · 14 suppliers reporting prices
Compare New London County Suppliers →We'll email you when local heating oil prices drop to your target — no spam, only price drops.