Rates by state / Delaware
Residential electricity · updated July 2026
Average electric bill in Delaware
The average Delaware home paid 17.8¢ per kWh and about $165 a month over the 12 months to July 2026, according to U.S. Energy Information Administration data. That rate is 1% below the U.S. average of 18.0¢, the 19th highest of 50 states and D.C.
Average rate
17.8¢/kWh
12 months to Jul 2026. Latest month 18.5¢.
Average bill
$165/mo
Average use × average rate
Average use
929kWh/mo
Per residential customer
1-year change
+5.7%
5 years: +43.9%
Delaware electric bills by month
What the average residential customer actually paid each month: total residential revenue ÷ customers. Source: EIA.
| Month | Avg use | Avg rate | Avg bill |
|---|---|---|---|
| July 2026 | 1,070 kWh | 18.5¢ | $198 |
| June 2026 | 889 kWh | 19.3¢ | $171 |
| May 2026 | 702 kWh | 19.4¢ | $136 |
| April 2026 | 706 kWh | 18.8¢ | $133 |
| March 2026 | 971 kWh | 17.6¢ | $171 |
| February 2026 | 1,207 kWh | 16.3¢ | $196 |
| January 2026 | 1,168 kWh | 16.5¢ | $193 |
| December 2025 | 1,138 kWh | 17.1¢ | $195 |
| November 2025 | 707 kWh | 18.8¢ | $133 |
| October 2025 | 651 kWh | 18.3¢ | $119 |
| September 2025 | 846 kWh | 18.1¢ | $153 |
| August 2025 | 1,089 kWh | 16.8¢ | $183 |
Typical bill by home size in Delaware
Monthly use of typical homes, all household sizes, priced at Delaware's average rate of 17.8¢. Source: EIA RECS 2020 and EIA retail sales.
| Home size | Typical use | Most homes | Typical bill |
|---|---|---|---|
| Under 1,000 sq ft | 500 kWh | 310–796 kWh | $89 |
| 1,000–1,499 sq ft | 770 kWh | 536–1,086 kWh | $137 |
| 1,500–1,999 sq ft | 932 kWh | 650–1,311 kWh | $166 |
| 2,000–2,999 sq ft | 1,117 kWh | 813–1,552 kWh | $199 |
| 3,000+ sq ft | 1,398 kWh | 1,014–1,931 kWh | $249 |
Summer and winter months run higher than these yearly averages. Check your own bill to compare a specific month.
What uses the most electricity in Delaware homes
Average yearly use by purpose for Delaware homes, priced at 17.8¢ per kWh. Source: EIA RECS 2020 (143 surveyed homes).
UsekWh / yr≈ $ / mo
Air conditioning2,013 (18%)$30
Space heating1,882 (17%)$28
Water heating1,740 (16%)$26
Everything else plugged in1,717 (15%)$25
Refrigerators and freezers965 (9%)$14
TVs and electronics692 (6%)$10
Washer and dryer544 (5%)$8
Lighting538 (5%)$8
Fans and dehumidifiers524 (5%)$8
Cooking and dishwasher352 (3%)$5
Pool and hot tub129 (1%)$2
EV charging38 (0%)$1
- 40% of Delaware homes heat mainly with electricity. They use about 13,815 kWh a year, against 9,353 kWh in homes heated another way.
Monthly rate, last 5 years
Monthly prices swing with the season because fixed charges are spread over fewer or more kWh.
How much electricity Delaware homes use
Electricity rates by utility in Delaware
Average residential revenue per kWh in 2025, largest 25 of 34 by customers. Source: EIA-861.
| Utility | Customers | Rate | Avg use / mo | 1-yr change |
|---|---|---|---|---|
| Delmarva Power | 305,349 | 18.2¢ | 886 kWh | +5.4% |
| Delaware Electric Cooperative | 108,801 | 13.9¢ | 1,054 kWh | -2.3% |
| City of Dover - (DE) | 21,793 | 16.2¢ | 813 kWh | +4.1% |
| City of Newark - (DE) | 11,925 | 19.8¢ | 686 kWh | +4.0% |
| Town of Middletown - (DE) | 9,193 | 16.6¢ | 912 kWh | -2.8% |
| City of Milford - (DE) | 7,504 | 15.9¢ | 926 kWh | +4.5% |
| Reliant Energy Northeast LLC | 4,206 | 23.6¢* | 842 kWh | +9.6% |
| Direct Energy Services | 2,634 | 21.5¢* | 870 kWh | +10.4% |
| CleanChoice Energy, Inc. | 2,594 | 26.8¢* | 737 kWh | +22.2% |
| SmartEnergy Holdings, LLC | 2,557 | 25.2¢* | 697 kWh | +9.3% |
| Residents Energy, LLC | 2,493 | 24.6¢* | 701 kWh | +14.5% |
| Inspire Energy Holdings, LLC | 2,384 | 22.4¢* | 831 kWh | +12.6% |
| WGL Energy Services, Inc. | 1,668 | 19.8¢* | 742 kWh | +12.9% |
| Palmco Power DE, LLC | 1,392 | 26.4¢* | 626 kWh | +1.3% |
| Rushmore Energy, LLC | 1,246 | 20.7¢* | 658 kWh | +15.2% |
| Just Energy Solutions Inc. | 1,237 | 22.2¢* | 909 kWh | +9.0% |
| Spark Energy, LP | 690 | 22.1¢* | 871 kWh | +12.0% |
| Constellation NewEnergy, Inc | 663 | 18.6¢* | 941 kWh | +8.8% |
| Nordic Energy Services, LLC | 481 | 23.0¢* | 463 kWh | +16.3% |
| Think Energy, LLC | 464 | 18.7¢* | 874 kWh | +1.9% |
| Clearview Electric Inc. | 434 | 28.6¢* | 702 kWh | +17.9% |
| XOOM Energy Delaware, LLC | 341 | 22.9¢* | 863 kWh | +7.8% |
| Discount Power Inc - (CT) | 241 | 27.7¢* | 789 kWh | +5.5% |
| Ambit Energy Holdings, LLC | 224 | 23.5¢* | 923 kWh | +13.1% |
| NextEra Energy Services, LLC | 205 | 22.1¢* | 961 kWh | +1.6% |
* Energy supplier: rate adds the state's average delivery charge, so it's an estimate.
All 34 utilities in Delaware
- RPA Energy, Inc. 30.0¢
- Park Power LLC 27.4¢
- Titan Gas LLC 21.3¢
- Stream Energy Delaware, LLC 24.4¢
- Atlantic Energy LLC 32.7¢
- ResCom Energy, LLC 21.4¢
- Greenlight Energy Inc. 20.4¢
- First Point Power, LLC 24.5¢
- MidAmerican Energy Services, LLC 14.6¢
Delaware electricity: common questions
- What is the average electric bill in Delaware?
- The average Delaware household pays about $165 a month for electricity, based on 929 kWh of use at 17.8¢ per kWh over the 12 months to July 2026 (U.S. Energy Information Administration data).
- How much does electricity cost per kWh in Delaware?
- Residential electricity in Delaware averaged 17.8¢ per kWh over the 12 months to July 2026, and 18.5¢ in July 2026 alone. That is 1% below the U.S. average of 18.0¢, the 19th highest of the 50 states and D.C. These averages spread fixed service charges and surcharges over each kWh. Sales taxes added to bills may not be included.
- When are electric bills highest in Delaware?
- In the last 12 months, the average Delaware bill peaked in July 2026 at $198 and was lowest in October 2025 at $119.
- How much electricity does a 1,500–1,999 sq ft home use in Delaware?
- A typical Delaware home of 1,500–1,999 square feet uses about 932 kWh a month, and most use between 650 and 1,311 kWh. At the state's average rate that is roughly $166 a month. Based on EIA's Residential Energy Consumption Survey (RECS 2020).
- Are electricity rates going up in Delaware?
- Delaware's average residential rate changed +5.7% compared with the previous 12 months and +43.9% over five years.
- What uses the most electricity in Delaware homes?
- In a typical Delaware home, air conditioning uses the most electricity (about 2,013 kWh a year, 18% of the total), followed by space heating (17%) and water heating (16%). Homes heated with electricity use about 13,815 kWh a year, compared with 9,353 kWh for homes heated another way. Source: EIA RECS 2020.
- How do I know if my Delaware electric bill is too high?
- Compare two things: how many kWh you used against similar homes, and what you paid per kWh against the state average. The free bill check on AverageElectricBill.com does both from the numbers on your bill, adjusting for the month and your home's size.