Delaware electricity prices, December 2025
- Month
- December 2025, preliminary
- File
- Form EIA-861M
- Price among 51
- 18th from the highest
The average residential price in Delaware was 17.12 cents per kilowatt-hour (kWh) in December 2025. Preliminary
In December 2024, the price was 16.79 cents per kWh. The December 2025 price was 0.33 cents per kWh higher than the December 2024 price.
The US average was 17.24 cents per kWh in December 2025. In December 2025, Delaware had the 18th highest average residential price among the 50 states and the District of Columbia.
The average bill of a residential customer for the month was $194.91, for 1,138 kWh. A bill for one month changes with the season.
EIA marks this month as preliminary. EIA adjusts the months of a year when the final Form EIA-861 data for the year are ready.
Average price of electricity to ultimate consumers represents the cost per unit of electricity sold and is calculated by dividing electric revenue from ultimate consumers by the corresponding sales of electricity.
The average price of electricity to ultimate consumers reported in this publication by sector represents a weighted average of consumer revenue and sales, and does not equal the per kWh rate charged by the electric power industry participant to the individual consumers.
EIA's words. Source: U.S. Energy Information Administration, Electric Power Monthly, Technical notes, section "Form EIA-861" (March 2024). "This publication" is the Electric Power Monthly.
In plain words: the average price is revenue divided by sales. It is not the rate on a rate schedule. The figures on this page are EIA's own state averages. Monthly data through .
Average price by sector
Cents per kWh
| Sector | Dec 2025 cents per kWh | Dec 2024 cents per kWh | Change percent | US, Dec 2025 cents per kWh |
|---|---|---|---|---|
| Residential | 17.12 | 16.79 | +2.0% | 17.24 |
| Commercial | 12.91 | 12.93 | -0.2% | 13.63 |
| Industrial | 10.58 | 8.71 | +21.5% | 8.53 |
| All sectors | 14.71 | 14.12 | +4.2% | 13.73 |
Sales, customers and bill
Residential, unless the row says all sectors
| Figure | Dec 2025 | Dec 2024 | Change percent |
|---|---|---|---|
| Residential sales | 544.1 GWh | 492.9 GWh | +10.4% |
| Sales, all sectors | 1.1 TWh | 1 TWh | +2.4% |
| Residential customers | 477,952 | 476,523 | +0.3% |
| Average residential bill (dollars in the month) | $194.91 | $173.70 | +12.2% |
| Average residential use (kWh in the month) | 1,138 | 1,034 | +10.1% |
| US residential price (cents per kWh) | 17.24 | 16.27 | +6.0% |
The 25 months to December 2025
Form EIA-861M
Delaware, residentialUS, residential
Where the figures come from
Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month). EIA status of this month: preliminary. The series runs through July 2026. The average price is revenue divided by sales. The average bill is residential revenue divided by residential customers. The annual figures of each utility are on the Delaware page.
Questions about December 2025 in Delaware
- What did businesses pay for electricity in Delaware in December 2025?
- The average commercial price was 12.91 cents per kWh. The average industrial price was 10.58 cents per kWh. The average for all sectors was 14.71 cents per kWh.
- How much electricity did residential customers in Delaware buy in December 2025?
- Residential customers bought 544.1 GWh of electricity in December 2025. One GWh is 1,000,000 kWh. The quantity was 10.4% higher than the quantity in December 2024.
- How many residential customers did Delaware have in December 2025?
- Delaware had 477,952 residential customers in December 2025. The number was 0.3% higher than the number in December 2024. A customer is one account or one meter, not one person.