Illustrative monthly energy cost at those averages:
~$157
before fixed fees and taxes
Climate context: humid summers with moderate winters
Solar resource: medium–high
Heating note: mixed heating fuels
Sources: EIA Electric Power Monthly / RECS-style benchmarks. Your utility tariff and actual meter data always take priority.
Heating and cooling tips for New Castle County
Delaware: mixed heating fuels. Those systems usually dominate annual electricity cost.
In New Castle County, a 1–2°F setpoint change or a corrected HVAC schedule often shows up within a week of interval data—faster feedback than waiting for the paper bill.
Filter changes and duct leaks matter as much as thermostat apps
Separate base load from HVAC by comparing mild vs extreme days
If you have a heat pump, watch strip-heat events on cold mornings
Which utilities serve New Castle County?
You can analyze
electricity
in New Castle with Youtilitics.
Residential electricity in Delaware averages about 16.5¢ per kWh (approx. 2024–2025 data). At a typical monthly use of about 950 kWh, that is roughly $157/month before fixed fees and taxes. Always confirm current rates on your utility bill or tariff sheet.
How can I save money on utility bills in New Castle County?
In New Castle County, focus on the loads that dominate local climate (humid summers with moderate winters). Track electricity with Youtilitics, fix continuous or leaky usage, and time high-draw appliances when rates are lower if your plan is time-of-use. Supported providers nearby include Delmarva.
Which utilities serve New Castle County?
New Castle County customers in this area may connect: Delmarva. Open each utility page for sync options and saving tips.
Sources and evidence
Figures below are approximate statewide or national averages for context. Your bill and tariff always control.