Average Heating Bill in New Jersey → Mercer County
$449/mo
$2,693/year
$1.35/sq ft (oil heat, 2,000 sq ft home)
↑ Oil prices are up 14.3% over the past 6 weeks, which affects current heating bills. View price trends.
| Fuel | Local Price | Cost/MMBTU | Annual Cost | Monthly (Heating) |
|---|---|---|---|---|
| Natural Gas Cheapest | $1.40/therm | $15 | $1,047 | $175 |
| Heat Pump | $0.24/kWh | $23 | $1,595 | $266 |
| Heating Oil | $4.57/gallon | $39 | $2,693 | $449 |
| Electric Baseboard | $0.24/kWh | $69 | $4,784 | $797 |
Cheapest option for this area
Natural Gas
$1,047/year estimated — saving $1,646/year vs heating oil
Average monthly heating costs during the October–March season for a 2,000 sq ft home in Mercer County:
Based on a 2,000 sq ft home with 85% oil furnace efficiency, COP 3.0 heat pump, NOAA 30-year normal heating degree days (4,955 HDD for Mercer County), and current EIA state-average energy rates. Oil prices reflect local median from 3 tracked suppliers.
Data updated 2026-07-20.
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If you're staying with oil heat, compare local suppliers to find the best price. The spread in Mercer County can be $0.50–$1.00/gallon.
Median: $4.57/gal · 3 suppliers reporting prices
Compare Mercer County Suppliers →We'll email you when local heating oil prices drop to your target — no spam, only price drops.