Delaware electricity prices, May 2026
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In May 2026, residential customers in Delaware paid an average of 19.38¢ per kilowatthour, up 6.9% on the same month a year earlier (18.13¢). The US average for the month was 18.44¢; Delaware was 5.1% above that. It ranked 19th highest among the 50 states and the District of Columbia.
Residential sales were 337,956 MWh, up 7.3% on a year earlier, and the average residential bill for the month was $135.94 on 702 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 2026 | May 2025 | Change | US, May 2026 |
|---|---|---|---|---|
| Residential | 19.38¢ | 18.13¢ | +6.9% | 18.44¢ |
| Commercial | 13.39¢ | 12.33¢ | +8.6% | 13.54¢ |
| Industrial | 10.69¢ | 8.40¢ | +27.3% | 8.71¢ |
| All sectors | 15.31¢ | 13.83¢ | +10.7% | 13.83¢ |
Sales and customers
| Measure | May 2026 | May 2025 | Change |
|---|---|---|---|
| Residential sales | 338 GWh | 315.1 GWh | +7.3% |
| Sales, all sectors | 831.5 GWh | 802.8 GWh | +3.6% |
| Residential customers | 481,756 | 475,319 | +1.4% |
| Average residential bill | $135.94 | $120.16 | +13.1% |
| Average residential use, kWh | 702 | 663 | +5.9% |
| US residential price | 18.44¢ | 17.37¢ | +6.2% |
The two years to May 2026
Delaware residentialUS residential
Questions and answers
What was the average electricity price in Delaware in May 2026?
19.38¢ per kilowatthour for residential customers, 13.39¢ for commercial and 10.69¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 18.13¢ in May 2025, a change of +6.9%. Residential sales changed by +7.3% over the same period.
What was the average residential bill that month?
$135.94, on average use of 702 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.