Average Utility Costs in Delaware

Typical monthly utility costs in Delaware are about $277.56/mo, based on 1,000 kWh of electricity and 5,000 gallons of water (plus sewer and trash where available). Compare Delaware cities below.

Average Monthly Utility Costs in Delaware

The average utility bill in Delaware is estimated at $277.56 per month. Delaware has retail electric choice; Delmarva Power provides default Standard Offer Service. Water and sewer from Wilmington Water; trash from private haulers.

Electric (1,000 kWh)
$146.40
Median city estimate
Water (5,000 gal)
$56.16
Median of non-$0 cities
Sewer
$41.00
Median of non-$0 cities
Trash
$34.00
Median of non-$0 cities
Typical total (assembled from medians)
$277.56
Alternate view: Median of city totals: $260.58

Assumptions: 1,000 kWh/month and 5,000 gallons/month. Delaware has retail electric choice. Actual bills vary by usage and supplier.

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Utility providers in Delaware

In Wilmington, Delmarva Power provides electric (retail choice); Wilmington Water for water and sewer; private haulers for trash. Dover, Newark, and Middletown have municipal electric (DEMEC), water, and sewer. Bear (unincorporated NCC) uses Delmarva, Artesian Water, and New Castle County sewer. Our estimates use official rate schedules where available.

See provider details, typical residential rates, and source links.

View utility providers in Delaware

For the full breakdown (electric, water, sewer, trash) by city, use the comparison table below.

Cheapest electric rates in Delaware

Top 5 cities with the lowest estimated electric bill at 1,000 kWh.

Most expensive total utility monthly cost in Delaware

Top 5 cities with the highest estimated total (electric + water + sewer + trash).

Compare all cities

Estimated monthly costs by city, sorted by total (highest first). Same assumed usage (1,000 kWh, 5,000 gal) for comparison. 5 cities.

CityCountyElectricWaterSewerTrashTotalView
NewarkNew Castle County$171.00$56.16$43.65$0.00$270.81View Newark details →
DoverKent County$168.04$21.75$41.00$33.00$263.79View Dover details →
BearNew Castle County$110.10$74.50$40.98$35.00$260.58View Bear details →
WilmingtonNew Castle County$110.10$60.80$44.48$35.00$250.38View Wilmington details →
MiddletownNew Castle County$146.40$26.40$37.90$30.34$241.04View Middletown details →

Delaware counties

View estimated utility costs by county.

Compare with nearby states

Compare utility costs in Delaware with neighboring states.

FAQ – Utilities in Delaware

Delmarva Power serves Wilmington with retail electric choice (Price to Compare at delmarva.com). Dover has municipal electric from the City of Dover—$11.24 customer charge plus 15.68¢/kWh. Rates differ by city.
Wilmington: City of Wilmington Water Utility—tiered water, sewer at 73.15% of water charge. Dover: City of Dover—tiered water ($3.23/1,000 gal Tier 1) and sewer ($3.35 + KCSA $3.82 per 1,000 gal). Both bill monthly.
Wilmington uses private haulers (Evergreen ~$35/mo). Dover provides city trash—$33/mo for 90-gallon, 1 pick up, billed on the utility bill.
Actual bills depend on usage, your electric supplier (if you switched from Delmarva SOS), seasonal rates, and taxes. Our estimates use fixed assumed usage (1,000 kWh, 5,000 gal) for comparison.
Each city page links to official sources. Delmarva Power: delmarva.com. Wilmington Water: wilmingtondewater.gov. Dover: cityofdover.gov (Rates & Tariffs, Water/Waste rates, Trash fees).