Learn → Average Heating Bill in Delaware
Delaware Average Monthly Heating Bill: $477 (oil heat, statewide median)
Average monthly heating cost during the October–March season for a 2,000 sq ft home:
| County | Monthly Oil | Monthly Gas | Monthly Heat Pump | HDD |
|---|---|---|---|---|
| New Castle | $477 | $178 | $171 | 4,546 |
Oil prices are local medians. Gas and electricity are Delaware state averages (EIA). HDD from NOAA 30-year normals.
Updated: 2026-06-03. Click a county for detailed breakdown.
| Fuel | Local Price | Cost/MMBTU | Annual Cost | Monthly (Heating) |
|---|---|---|---|---|
| Natural Gas | $1.56/therm | $17 | $1,067 | $178 |
| Heat Pump Cheapest | $0.17/kWh | $16 | $1,027 | $171 |
| Heating Oil | $5.29/gallon | $45 | $2,860 | $477 |
| Electric Baseboard | $0.17/kWh | $48 | $3,080 | $513 |
Cheapest option for this area
Heat Pump
$1,027/year estimated — saving $1,833/year vs heating oil
Based on a 2,000 sq ft home, 85% oil furnace efficiency, COP 3.0 heat pump, NOAA 30-year normal HDD, and EIA state-average energy rates.