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.
↑ Oil prices in New Castle County are up 3.9% over the past 6 weeks. View current oil prices.
| 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
Oil price: $5.29/gal (local median). Electricity: $0.17/kWh (Delaware avg). Gas: $1.56/therm (Delaware avg). HDD: 4,546. Estimates for a 2,000 sq ft home.
Prices updated: 2026-06-03. Prices may differ from real-time calculator.
At local electricity rates ($0.17/kWh) and oil prices ($5.29/gal), switching from oil to a heat pump would pay for itself in approximately 6 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: $5.29/gal · 4 suppliers reporting prices
Compare New Castle County Suppliers →