States › Delaware › September 2025
Delaware electricity prices, September 2025
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In September 2025, residential customers in Delaware paid an average of 18.12¢ per kilowatthour, up 7.9% on the same month a year earlier (16.80¢). The US average for the month was 18.08¢; Delaware was about the same as that. It ranked 18th highest among the 50 states and the District of Columbia.
Residential sales were 404,493 MWh, down 5.0% on a year earlier, and the average residential bill for the month was $153.23 on 846 kWh. Weather moves monthly sales far more than prices do, so bills swing with the season.
EIA marks this month as preliminary. Preliminary months come from the Form EIA-861M sample and are revised when the annual census is complete.
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Monthly figures come from the Form EIA-861M sample and are revised when EIA finalises the year.
Price by sector
| Sector | Sep 2025 | Sep 2024 | Change | US, Sep 2025 |
|---|---|---|---|---|
| Residential | 18.12¢ | 16.80¢ | +7.9% | 18.08¢ |
| Commercial | 12.57¢ | 12.15¢ | +3.5% | 13.99¢ |
| Industrial | 8.70¢ | 8.25¢ | +5.5% | 9.02¢ |
| All sectors | 13.89¢ | 13.53¢ | +2.7% | 14.21¢ |
Sales and customers
| Measure | Sep 2025 | Sep 2024 | Change |
|---|---|---|---|
| Residential sales | 404.5 GWh | 425.9 GWh | -5.0% |
| Sales, all sectors | 1 TWh | 960.6 GWh | +4.1% |
| Residential customers | 478,352 | 475,042 | +0.7% |
| Average residential bill | $153.23 | $150.58 | +1.8% |
| Average residential use, kWh | 846 | 897 | -5.7% |
| US residential price | 18.08¢ | 16.82¢ | +7.5% |
The two years to September 2025
Delaware residentialUS residential
Questions and answers
What was the average electricity price in Delaware in September 2025?
18.12¢ per kilowatthour for residential customers, 12.57¢ for commercial and 8.70¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 16.80¢ in September 2024, a change of +7.9%. Residential sales changed by -5.0% over the same period.
What was the average residential bill that month?
$153.23, on average use of 846 kWh. This is residential revenue divided by residential customers for the month.
Provenance
Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month), status "Preliminary" for this month, series published through July 2026. Public domain. Price = revenue ÷ sales; bill = residential revenue ÷ residential customers. Utility-level annual figures are on the Delaware page.