What is the average electricity rate in New Castle, Delaware?

The average residential electricity rate in New Castle is approximately 15.06¢/kWh per kWh. The average household pays around $126 per month for electricity.

What is the average natural gas bill in New Castle?

Natural gas customers in New Castle pay an average of $88 per month. The rate is approximately $1.43/therm per therm.

Which electric company serves New Castle, Delaware?

Electricity in New Castle is distributed by Delmarva Power and City of Newark. Contact your provider at your local service address to confirm which utility serves your home.

Which gas company serves New Castle?

New Castle natural gas service is provided by Chesapeake Utilities and Delmarva Power Gas. Call them directly for new service connections or to report a gas leak.

How do New Castle electricity rates compare to Delaware averages?

New Castle's electricity rate of 15.06¢/kWh is below the Delaware state average of 19.38¢/kWh. This can reflect a municipal utility or favorable regional generation mix.

How do I start or stop utility service in New Castle?

To start electric service in New Castle, contact Delmarva Power and City of Newark. For gas service, contact Chesapeake Utilities and Delmarva Power Gas. You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.

New Castle, Delaware Gas & Electricity Rates — Utility Providers & Savings 2026

Gas & Electricity in New Castle, Delaware

New Castle is served by Delmarva Power and City of Newark. Utilities covering New Castle County report an average residential electricity rate of 15.06¢/kWh — below the Delaware state average of 19.38¢/kWh — and a typical monthly electric bill of $126. Natural gas in New Castle is distributed by Chesapeake Utilities.

Compared to the Delaware state average of 19.38¢/kWh/kWh, New Castle's electricity rate of 15.06¢/kWh is 4.32¢ below the Delaware average. As Delaware is a deregulated market, New Castle residents can shop for competitive electricity suppliers to potentially reduce their supply rate.

Electric Utility in New Castle

Delmarva Power
City of Newark
Town of Middletown

Natural Gas Utility in New Castle

Chesapeake Utilities
Delmarva Power Gas

New Castle vs Delaware Energy Rates

Metric	New Castle	Delaware Average	US Average
Electric Rate (¢/kWh)	15.06¢	19.38¢	16.00¢
Gas Rate ($/therm)	$1.43	$1.43	$1.47
Monthly Electric Bill	$126	$136	$117
Monthly Gas Bill	$88	$88	$73

Energy Assistance Programs for New Castle Residents

As a Delaware city, New Castle residents can access the following state and local assistance programs:

✅ Delaware LIHEAP
✅ Delaware Weatherization Assistance
✅ ENERGIZE Delaware
✅ Delaware Sustainable Energy Utility

Energy-Saving Tips for New Castle Residents

✓ Insulate your attic to at least R-49 to reduce winter heat loss by up to 15%.
✓ Install a programmable thermostat and set it to 68°F while home, 60°F while sleeping or away.
✓ Seal air leaks around windows and doors before the heating season to cut drafts.
✓ Schedule an annual furnace tune-up every fall to maintain peak efficiency.
✓ Use heavy drapes on north-facing windows during winter to reduce cold air infiltration.

FAQ — Gas & Electricity in New Castle, Delaware

The average residential electricity rate in New Castle is approximately 15.06¢/kWh per kWh. The average household pays around $126 per month for electricity.
Natural gas customers in New Castle pay an average of $88 per month. The rate is approximately $1.43/therm per therm.
Electricity in New Castle is distributed by Delmarva Power and City of Newark. Contact your provider at your local service address to confirm which utility serves your home.
New Castle natural gas service is provided by Chesapeake Utilities and Delmarva Power Gas. Call them directly for new service connections or to report a gas leak.
New Castle's electricity rate of 15.06¢/kWh is below the Delaware state average of 19.38¢/kWh. This can reflect a municipal utility or favorable regional generation mix.
To start electric service in New Castle, contact Delmarva Power and City of Newark. For gas service, contact Chesapeake Utilities and Delmarva Power Gas. You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.