Delaware electricity prices, May 2025
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In May 2025, residential customers in Delaware paid an average of 18.13¢ per kilowatthour, up 4.3% on the same month a year earlier (17.39¢). The US average for the month was 17.37¢; Delaware was 4.4% above that. It ranked 18th highest among the 50 states and the District of Columbia.
Residential sales were 315,056 MWh, down 3.2% on a year earlier, and the average residential bill for the month was $120.16 on 663 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 | May 2025 | May 2024 | Change | US, May 2025 |
|---|---|---|---|---|
| Residential | 18.13¢ | 17.39¢ | +4.3% | 17.37¢ |
| Commercial | 12.33¢ | 11.45¢ | +7.7% | 12.93¢ |
| Industrial | 8.40¢ | 8.06¢ | +4.2% | 8.29¢ |
| All sectors | 13.83¢ | 13.19¢ | +4.9% | 13.13¢ |
Sales and customers
| Measure | May 2025 | May 2024 | Change |
|---|---|---|---|
| Residential sales | 315.1 GWh | 325.4 GWh | -3.2% |
| Sales, all sectors | 802.8 GWh | 815.9 GWh | -1.6% |
| Residential customers | 475,319 | 472,905 | +0.5% |
| Average residential bill | $120.16 | $119.63 | +0.4% |
| Average residential use, kWh | 663 | 688 | -3.6% |
| US residential price | 17.37¢ | 16.40¢ | +5.9% |
The two years to May 2025
Delaware residentialUS residential
Questions and answers
What was the average electricity price in Delaware in May 2025?
18.13¢ per kilowatthour for residential customers, 12.33¢ for commercial and 8.40¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 17.39¢ in May 2024, a change of +4.3%. Residential sales changed by -3.2% over the same period.
What was the average residential bill that month?
$120.16, on average use of 663 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.