Average Heating Bill in Rhode Island → Washington County
$468/mo
$2,806/year
$1.40/sq ft (oil heat, 2,000 sq ft home)
↓ Oil prices are down 10.3% 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 | $1.87/therm | $20 | $1,583 | $264 |
| Heat Pump | $0.30/kWh | $29 | $2,318 | $386 |
| Heating Oil | $4.20/gallon | $36 | $2,806 | $468 |
| Electric Baseboard | $0.30/kWh | $88 | $6,955 | $1,159 |
Cheapest option for this area
Natural Gas
$1,583/year estimated — saving $1,223/year vs heating oil
Average monthly heating costs during the October–March season for a 2,000 sq ft home in Washington 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 (5,624 HDD for Washington County), and current EIA state-average energy rates. Oil prices reflect local median from 7 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 Washington County can be $0.50–$1.00/gallon.
Median: $4.20/gal · 7 suppliers reporting prices
Compare Washington County Suppliers →