Electricity rates in Delaware

Updated with EIA data for August 2026

Delaware electricity rates over time

Average rate, bill and usage by year

Rates are weighted by kWh sold. Bills and usage are averages per residential customer.

Rates by sector (August 2026)

How much does electricity cost in Delaware?

At Delaware's 12-month average residential rate of 17.98¢ per kWh, here is the energy cost for common monthly usage levels, next to the US average. Fixed customer charges, taxes and fees vary by utility and are not included.

Delaware electricity prices month by month

Over the last 12 months, the average residential rate ranged from 16.27¢ (February 2026) to 19.38¢ (May 2026), and homes used the most electricity in February 2026 (1,207 kWh on average).

Delaware vs neighboring states

Delaware's 12-month average rate is lower than all of its neighbors.

What appliances cost to run in Delaware

All appliance costs · Appliance cost calculator for Delaware

Can you choose your electricity provider in Delaware?

Delaware has retail electricity choice: in many areas, households can buy their electricity supply from a competitive retail provider instead of the utility's default rate. Your local utility still delivers the power and handles outages. Availability depends on your utility area. Compare the plan rate, contract length, fees and any cancellation charge before you switch.

Solar snapshot

Each kW of solar panels in Wilmington produces about 1,364 kWh a year (NREL PVWatts). Sized for an average Delaware home, a 8.4 kW system would cost about $21,588 before any incentives and pay for itself in about 10.8 years. See the full Delaware solar estimate.

Guides for Delaware

Switching Providers

How to Switch Electricity Providers in Delaware: Who Can Switch and How

Delmarva Power customers in Delaware can buy supply from a certified supplier. Here's who can switch, the PSC rules that protect you and a checklist.

Nov 8, 2026 · 6 min read

Switching Providers

Fixed-Rate vs Variable-Rate Electricity Plans: Which Should You Choose?

Fixed plans lock your supply price per kWh for a term; variable plans can change monthly. Here is how each works, state rules, and how to choose.

Nov 9, 2026 · 7 min read

Saving Energy

How to Lower Your Electric Bill: 12 Practical, Sourced Ways

Practical ways to lower your electric bill, from free thermostat and standby-power fixes to LEDs, insulation and rate plans, each backed by DOE, EPA or EIA guidance.

Nov 9, 2026 · 5 min read

Solar

Is Solar Worth It in 2026? What Changed After the Federal Tax Credit Ended

The 25D federal credit ended for systems installed after 2025. Here is what now decides whether solar pays off, and how to estimate your own payback.

Nov 9, 2026 · 6 min read

Delaware electricity calculators

• Electric bill calculatorEstimate a monthly bill at Delaware's average rate.
• Electricity cost calculatorCost of any number of kWh in Delaware.
• Solar panel calculatorSystem size, cost and payback for a Delaware home.
• EV charging costHome charging cost per mile in Delaware.

Source: U.S. Energy Information Administration (EIA), Form EIA-861M monthly sales and revenue data. Latest month: August 2026. Recent months may be preliminary and revised by EIA. See how we calculate.