Learn → Average Heating Bill in Delaware
Delaware Average Monthly Heating Bill: $441 (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 | $441 | $189 | $183 | 4,546 |
Oil prices are local medians. Gas and electricity are Delaware state averages (EIA). HDD from NOAA 30-year normals.
Updated: 2026-07-18. Click a county for detailed breakdown.
| Fuel | Local Price | Cost/MMBTU | Annual Cost | Monthly (Heating) |
|---|---|---|---|---|
| Natural Gas | $1.65/therm | $18 | $1,131 | $189 |
| Heat Pump Cheapest | $0.18/kWh | $17 | $1,097 | $183 |
| Heating Oil | $4.90/gallon | $42 | $2,648 | $441 |
| Electric Baseboard | $0.18/kWh | $52 | $3,290 | $548 |
Cheapest option for this area
Heat Pump
$1,097/year estimated — saving $1,551/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.
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