Average Heating Bill in Connecticut → New London County
$477/mo
$2,864/year
$1.43/sq ft (oil heat, 2,000 sq ft home)
↓ Oil prices are down 7.0% 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 | $1.34/therm | $14 | $1,164 | $194 |
| Heat Pump | $0.28/kWh | $28 | $2,227 | $371 |
| Heating Oil | $4.18/gallon | $36 | $2,864 | $477 |
| Electric Baseboard | $0.28/kWh | $83 | $6,682 | $1,114 |
Cheapest option for this area
Natural Gas
$1,164/year estimated — saving $1,700/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 11 tracked suppliers.
Data updated 2026-06-02.
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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: $4.18/gal · 11 suppliers reporting prices
Compare New London County Suppliers →