Utility Providers in Wilmington, DE

In Wilmington, electric delivery is handled by Delmarva Power and Light — and since Wilmington sits in Delaware's deregulated market, you pick your own Wilmington retail plan; Wilmington handles Wilmington's water and sewer. The exact lineup depends on your Wilmington address — even nearby Dover answers differently.

2
providers across 8 sampled Wilmington addresses
Delmarva Power and Light
electricity at every one of sampled Wilmington addresses
You pick your plan
Wilmington sits in Delaware's retail-choice market
2026-07-20
Wilmington data refreshed

Wilmington lookups are free — all four utility types in about a minute

Wilmington guide: providers · address check · checklist · FAQ · nearby

Wilmington utility providers at a glance

UtilityProviderPhoneStart service
⚡ Electricity Delmarva Power and Light
Delivery utility — you choose your plan 		(800) 375-7117 Provider site
🔥 Natural gas Varies by address — Look up address
💧 Water Wilmington (302) 576-2620 Provider site
🚽 Sewer Wilmington (302) 576-2620 Provider site

Based on 8 sampled Wilmington addresses spanning ZIP codes 19801, 19803, 19805, 19806 (2026-07-20). Yours may differ — the Wilmington lookup is the tiebreaker.

It depends on your address — even in Wilmington

Our 8 sampled Wilmington addresses span ZIPs 19801, 19803, 19805, 19806 — bordering Dover, and provider lines don't always follow city limits. Run your exact address through the lookup rather than assuming a neighbor's setup matches yours.

The one-minute fix: run your Wilmington address through the lookup and skip the guessing.

Electricity in Wilmington: wires vs. plans

Delmarva Power and Light — Wilmington's Utility — owns the wires here, and restores Wilmington outages ((800) 375-7117) whoever you pay. Your separately chosen Wilmington plan (compare at DE PSC) sets the rate on your Wilmington bill — full wires-vs-plans explainer here.

Moving to Wilmington? Your setup checklist

  1. Confirm your Wilmington providers first. Before calling anyone, run your exact Wilmington address through the lookup — providers change at neighborhood boundaries.
  2. Pick your Wilmington electricity plan (1–3 days out). Compare at DE PSC — around Wilmington, same-day starts are usually possible, just not worth gambling your move-in morning on.
  3. Set up Wilmington water and sewer with Wilmington. Allow a few business days; bring ID and your Wilmington lease or closing date — call (302) 576-2620.
  4. Keep your confirmation numbers. Wilmington landlords and title companies often want proof that Wilmington utilities are in your name from day one.

Wilmington utility questions, answered

Who is the electric company in Wilmington, DE?

Delmarva Power and Light is the Utility for Wilmington — the wires-and-meters utility — at every one of the Wilmington addresses we sampled. You pick the retail plan that sets your Wilmington rate; Delmarva Power and Light delivers either way.

Who provides water in Wilmington?

At every one of the Wilmington addresses we sampled, Wilmington was the water provider — sewer included. Other districts take over around Wilmington's edges, so check your block.

How do I find the utility providers for a Wilmington address?

One minute with the Wilmington lookup above returns your Wilmington address's exact providers, phone numbers included.

Nearby cities

Moving somewhere just outside Wilmington? Providers likely differ:

DoverCity of Dover →

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Get the answer for your exact Wilmington address

Wilmington-level lists can't be precise. Your Wilmington address can.

Find my providers

Wilmington provider data comes from our address-level utility lookup engine — 8 Wilmington sample addresses spread across ZIPs 19801, 19803, 19805, 19806, refreshed 2026-07-20. Individual Wilmington addresses vary — check yours directly. Here's how we verify Wilmington provider data.