Heating Cost in Delaware → New Castle County
How much does it cost to heat a home in New Castle County? Here's a breakdown by fuel type, using real local prices and 4,546 heating degree days for New Castle County.
Estimates are for a typical 2,000 sq ft home. Use the calculator for your exact ZIP code.
| 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
Oil price: $4.90/gal (local median). Electricity: $0.18/kWh (Delaware avg). Gas: $1.65/therm (Delaware avg). HDD: 4,546. Estimates for a 2,000 sq ft home.
Prices updated: 2026-07-18. Prices may differ from real-time calculator.
At local electricity rates ($0.18/kWh) and oil prices ($4.90/gal), switching from oil to a heat pump would pay for itself in approximately 7.1 years (based on average installation cost of $11,000). Federal tax credits and state rebates can reduce this significantly.
During the heating season (October–March), a typical 2,000 sq ft home in New Castle County costs approximately:
If you're staying with oil heat, the biggest savings come from comparing local suppliers. The spread between cheapest and most expensive in New Castle County can be $0.50–$1.00/gallon — that's $250–$500/year on the same fuel.
Median: $4.90/gal · 4 suppliers reporting prices
Compare New Castle County Suppliers →We'll email you when local heating oil prices drop to your target — no spam, only price drops.