Heating Oil Prices in Delaware (Week of Oct 19, 2026)
Residential heating oil in Delaware averaged $6.43 a gallon for the week of Oct 19, 2026 (+3.8% in two weeks) – 4% above the US average and the 21st lowest of 21 states EIA surveys.
Source: EIA Heating Oil and Propane Update (weekly, excluding taxes). Updated automatically each week from October to March.
Cost to fill a tank in Delaware
| Delivery | Gallons | Cost at $6.43/gal |
|---|---|---|
| 275-gallon tank (fill from 1/4) | 200 | $1,286.20 |
| 275-gallon tank (full fill) | 250 | $1,607.75 |
| 330-gallon tank (fill from 1/4) | 240 | $1,543.44 |
Before sales tax, delivery minimums or small-delivery fees, which vary by dealer.
Cheapest way to heat in Delaware right now
| Heating system | Cost per million BTU of heat |
|---|---|
| Natural gas furnace (95%) | $16.21 |
| Heat pump (HSPF2 9, COP ≈2.6) | $20.83 |
| Propane furnace (90%) | $45.62 |
| Electric baseboard (COP 1) | $54.16 |
| Heating oil furnace (85%) | $54.63 |
Using Delaware's current averages for heating oil, propane, natural gas and electricity (18.48¢/kWh). Prices for natural gas in Delaware and electricity in Delaware. See also propane prices in Delaware.
Nearby states
- North Carolina: $5.83/gal
- Virginia: $6.00/gal
- Maryland: $6.37/gal
Frequently asked questions
What is the price of heating oil in Delaware this week?
$6.43 per gallon on average for homes in the week of Oct 19, 2026, before taxes (EIA survey). That is 4% above the US average of $6.19, and +3.8% since Oct 5, 2026.
How much does it cost to heat with heating oil in Delaware?
At $6.43 a gallon, 500 gallons over a winter costs about $3,216 before tax. Actual use depends on the house, insulation and winter – check your past deliveries and enter them in the calculator.
Is heating oil cheaper than other heat in Delaware?
Per million BTU of heat, heating oil costs about $54.63 in Delaware this week. The cheapest option at current state averages is natural gas furnace (95%) at $16.21.
Source: EIA weekly residential heating oil prices. Heat comparison uses typical efficiencies and EIA state averages.