In July 2026, homes in Delaware paid an average of 18.48¢ per kWh, the 19th most expensive of the 50 states and DC and about the same as the U.S. average of 18.31¢.
That price is up 11.5% from a year earlier.
Over the past 12 months the average home in Delaware used 929 kWh a month, for an average bill of $165 (U.S.: $157).
About electricity in Delaware
Delaware's own power plants run mostly on natural gas, but they produce well under what the state uses, so much of its electricity is imported over the regional grid.
- natural gas 85%
- coal 5%
- solar 3%
- other 7%
The Delaware Public Service Commission is the state agency that regulates electric utilities in Delaware.
Average electric bill in Delaware
Over the last 12 months the average Delaware home paid $165 a month for electricity, the 14th highest of the 50 states and DC. In July 2026 the average bill was $198 for 1,070 kWh.
Over the last 12 months, homes in Delaware used the most electricity in February, when electric heating drives usage up: an average of 1,207 kWh and a $196 bill. The lightest month was October, at 651 kWh and $119.
What would I pay?
| Monthly use | Per month | Per year |
|---|---|---|
| 500 kWh × 18.48¢ | $92.40 | $1,109 |
| 1,000 kWh × 18.48¢typical | $184.80 | $2,218 |
| 1,500 kWh × 18.48¢ | $277.20 | $3,326 |
| 2,000 kWh × 18.48¢ | $369.60 | $4,435 |
Estimate your own bill
Cost of electricity in Delaware by month
Businesses in Delaware paid 13.80¢ per kWh in July 2026 (the 21st most expensive for business power), and industrial users paid 11.71¢. See business electricity rates in Delaware.
Electric companies in Delaware
6 utilities deliver electricity to homes in Delaware. The largest is Delmarva Power, serving 305,349 homes.
| Utility | Homes served | Avg. home rate |
|---|---|---|
| Delmarva Power | 305,349 | 18.16¢ |
| Delaware Electric Cooperative | 108,801 | 13.89¢ |
| City of Dover | 21,793 | 16.16¢ |
| City of Newark | 11,925 | 19.75¢ |
| Town of Middletown | 9,193 | 16.64¢ |
| City of Milford | 7,504 | 15.86¢ |
"Avg. home rate" is what each utility's full-service residential customers paid on average in 2025 (revenue ÷ kWh sold). Delivery-only utilities have no full-service rate.
Can you choose your electricity supplier in Delaware?
Yes. Households in Delaware can buy electricity from a licensed retail supplier instead of their utility; the utility still delivers the power and handles outages.
Compare current offers on the official state site: Delaware PSC Electric Choice.
Largest retail suppliers in Delaware by residential customers (2025):
- Reliant Energy Northeast LLC (4,206 homes)
- Direct Energy Services (2,634 homes)
- CleanChoice Energy, Inc. (2,594 homes)
- SmartEnergy Holdings, LLC (2,557 homes)
- Residents Energy, LLC (2,493 homes)
Listed by size only, as reported to EIA. This is not a recommendation.
Delaware compared with neighboring states
| State | Price per kWh | Avg. monthly bill (12 mo.) |
|---|---|---|
| Delaware | 18.48¢ | $165 |
| Maryland | 21.41¢ | $209 |
| Pennsylvania | 21.72¢ | $174 |
| New Jersey | 25.19¢ | $158 |
Delaware electricity FAQ
What is the average electric bill in Delaware?
The average home in Delaware paid $165 a month over the last 12 months, using 929 kWh. That is the 14th highest of the 50 states and DC. In July 2026 alone, the average bill was $198.
How much does electricity cost per kWh in Delaware?
Homes paid an average of 18.48¢ per kWh in July 2026, about the same as the U.S. average of 18.31¢. Businesses paid 13.80¢ per kWh.
Which month has the highest electric bills in Delaware?
February, in the last 12 months of data: the average bill reached $196 (1,207 kWh), compared with $119 in October, the lowest month.
Can I choose my electricity provider in Delaware?
Yes. Delaware lets households buy electricity from a retail supplier, while the local utility still delivers it. Compare offers on Delaware PSC Electric Choice, the official state site.
What are the largest electric companies in Delaware?
By number of residential customers in 2025: Delmarva Power (305,349), Delaware Electric Cooperative (108,801), City of Dover (21,793).
Latest DE electric rates, bills and usage: U.S. Energy Information Administration retail sales data (forms EIA-861M and EIA-861), latest month July 2026. Utilities and suppliers: EIA-861 (2025). Bills and usage are revenue and sales divided by customers. Last updated 2026-10-20.