Electricity rates in New Castle, DE
New Castle (5,382 people, New Castle County) is served by 2 electric utilities. Homes on Delmarva Power pay about 18.79¢/kWh, 6% more than the Delaware average.
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Electric companies serving New Castle
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Delmarva Power | Investor-owned utility | 18.79¢ | $167 | 279K | 104 |
| City of Newark | Municipal utility | 20.61¢ | $141 | 12K | 35 |
Power outages in New Castle County right now
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Outage history in New Castle County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 277 | 234 |
| Days with outages | 50 | 60 |
| Most customers out at once | 20,780 (10.9%) | 27,045 (14.2%) |
| Worst day | 2024-01-10 | 2025-01-29 |
Outage minutes by month, 2025
Less outage time than 2024 (277 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Wilmington Manor 18.8¢
- Newport 18.8¢
- Bear 18.8¢
- Elsmere 18.8¢
- Delaware City 18.8¢
- Wilmington 18.8¢
- Edgemoor 18.8¢
- Bellefonte 18.8¢
- Greenville 18.8¢
- Brookside 18.8¢
ZIP codes: 19720, 19721, 19726
Frequently asked questions
What is the electricity rate in New Castle?
Most homes in New Castle get power from Delmarva Power, where residential customers pay an average of 18.79¢/kWh including all charges. The Delaware average is 17.79¢ and the U.S. average 17.99¢. Other utilities serving parts of New Castle: City of Newark (20.61¢).
What is the average electric bill in New Castle?
About $167 a month, based on 890 kWh a month (the average for Delmarva Power customers) at 18.79¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in New Castle, DE?
2 utilities serve New Castle's ZIP codes: Delmarva Power, City of Newark. Which one serves you depends on your street address.
How often does the power go out in New Castle?
In 2025, customers in New Castle County averaged 3 hr 54 min without power. Outages hit 60 days of the year, and the worst day was 2025-01-29, when 27,045 customers (14.2%) were out. Source: ORNL EAGLE-I.