Average Utility Costs in Wilmington, DE

Estimated monthly utility costs (1,000 kWh + 5,000 gal)

Average monthly utility costs in Wilmington, DE are about $250.38, based on 1,000 kWh of electricity and 5,000 gallons of water, plus sewer and trash fees. See the full breakdown and sources below.

Total estimated monthly utilities

$250.38

Estimated average monthly utilities in Wilmington are ~$250.38 (1,000 kWh + 5,000 gal assumptions).

Data freshness: last verified 2026-02-25
  • Electric $110.10 (44%)
  • Water $60.80 (24%)
  • Sewer $44.48 (18%)
  • Trash $35.00 (14%)

Utilities here are about 5% lower than the Delaware city average, driven mainly by electric rates.

  • Trash is provided by private haulers; residents choose their own. Our estimate reflects typical rates for the area—contact haulers for exact pricing.

Electric

Confirmed
Provider
Delmarva Power
Base charge
$12.00/mo
Energy rate (PTC)
$0.0981/kWh
Assumed usage
1000 kWh
Monthly total
$110.10
delmarva.com· verified 2026-02-25

Price to Compare 9.81¢/kWh for RS rate class; includes transmission. Delaware has retail electric choice; compare with alternate suppliers. Delivery charges apply in addition.

Water

Confirmed
Provider
City of Wilmington Water Utility
Base charge
$23.53/mo
Volumetric rate
$7.45/1,000 gal
Assumed usage
5,000 gal
Monthly total
$60.80
wilmingtondewater.gov· verified 2026-02-25

Trash

Confirmed
Monthly fee
$35.00

Trash + Recycle $35/mo; Trash + Recycle + Yard Waste $42/mo. Wilmington uses private haulers; rates vary by provider.

evergreenws.com· verified 2026-02-25

Total estimated monthly utilities

$250.38

What changes your bill most?

  • Electric is about 44% of your estimated utilities here.
  • Every 100 kWh changes your total by about $9.81.
  • Water increases by about $7.45 per additional 1,000 gallons.

Assumptions

  • Electric: 1000 kWh/month
  • Water: 5,000 gallons/month

Nearby Cities Utility Costs

Other cities in New Castle County.

CityEst. total/mo
Wilmington (this)$250.38
Newark$270.81
Bear$260.58
Middletown$241.04

More in Delaware

Delaware utility costsNew Castle CountyUtility providers in Delaware

FAQ

We use base charges and per-unit rates from official provider pages. Electric uses Delmarva's Price to Compare; water and sewer from Wilmington Water. Trash from private hauler rates. See the Methodology page for full formulas.
Actual bills depend on your usage, your electric supplier (if you switched from Delmarva SOS), seasonal rates, taxes, and stormwater fees. Delaware has retail electric choice—compare suppliers at delmarva.com.
Each component shows a 'last verified' date. We aim to update from official sources periodically; always confirm current rates on the provider's site before making decisions.