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Delmarva Power

Delmarva Power served 278,793 residential customers in Delaware in 2025 (57.9% of the state's residential customers), the 1st largest of 34 utilities reporting there. Bundled service; ownership: investor owned; balancing authority PJM.

The meter, one average month.

Scroll to run 30 days of Delmarva Power's average residential use through a five-dial register.

Day 30 of 30
Used so far
890 kWh
At 18.16¢/kWh
$162
An average 2025 month: 890 kWh at 18.16¢ comes to about $162, the average bill. Use is spread evenly over 30 days for the picture.

Price ruler0 to 50¢ per kWh

Where 18.16¢ sits.

Delmarva Power averaged 18.16¢ per kWh against a Delaware residential average of 17.13¢: 6% above the state figure.

2020 and 2025EIA-861

Five years, same meter.

In 2020 the average Delmarva Power home used 906 kWh a month at 12.29¢ and paid $111. In 2025 it used 890 kWh at 18.16¢ and paid $162: the price per kWh is up 47.8%.

Delmarva Power, Delaware, residential averages, 2020 and 2025
Measure20202025
Price, ¢/kWh12.2918.16
Use, kWh a month906890
Bill, US$ a month111.31161.72
Delmarva Power customers and sales by class in Delaware, 2025, EIA-861 (bundled service)
ClassCustomersMWh sold¢/kWh
Residential278,7932,979,08518.16
Commercial26,520843,51116.14
Industrial3115,0517.35

Who else is on the line

Homes are one class.

Homes took 77.6% of the electricity Delmarva Power sold in Delaware in 2025.

Rooftop solar on its linesnet metering

10,518 roofs.

Residential net-metered PV
10,518installations reported for 2025
Capacity
83.9 MWresidential, net metered
Per 1,000 homes
37.7installations per 1,000 residential customers

Service territoryEIA-861

3 counties.

KentNew CastleSussex

Counties in Delaware where Delmarva Power reported serving customers in 2025 (3 in all; up to 24 listed).

EIA-8612025Utility 5027

The filing, line by line.

Delmarva Power, Delaware, residential class, 2025. Price basis: revenue divided by kWh sold, all residential customers.
MeasureValueUnit
Average price18.16¢/kWh
Delaware average price17.13¢/kWh
Difference from state average6.0%
Price change over 5 years47.8%
Typical monthly use890kWh
Typical monthly bill161.72US$
Residential customers278,793accounts
Share of DE residential customers57.9%
Size rank in DE1 of 34by customers

Rate plans on fileOpenEI URDB

6 active plans.

Time-of-use
3more than one energy period within a month
Seasonal only
2price changes by month, not by hour
Median fixed charge
$13.22US dollars per month

Active residential plans: not ended, started within the last 5 years, latest version of each plan name. Time-of-use means more than one energy period within a single month; plans whose price changes only by season are counted as seasonal.

Delaware: state average, five-year steps and every provider

Read this first

  • Class-wide averages, not a quote or a bill for any one customer.
  • Plan data comes from a public, crowd-maintained database and can be out of date.
  • All prices on this site are in cents per kWh unless marked otherwise. Bills are US dollars per month.

Credits and notices

The credits and notices that each data source requires are printed word for word with that source in the Sources list below.