New Castle Municipal Serv Comm
Municipal electric utility · Delaware · #1,889 of 3,199 U.S. utilities by customers · EIA utility #13424
New Castle Municipal Serv Comm is a municipal electric utility serving 2,952 customers in Delaware. In 2025 it sold 73.4 gigawatt-hours of electricity for $10.84M in revenue, an average realized rate of 14.76¢ per kWh across all customer classes and — per kWh for residential customers. Its reported service territory covers 1 counties.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Total | 2,952 | 73.4 | $10.84M | 14.76¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (— kWh/month).
This utility files the EIA-861S short form, which reports totals only - no breakdown by customer class is published for it.
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 2,886 | 76.7 | $9.07M | — |
| 2022 | 2,880 | 76.7 | $8.97M | — |
| 2023 | 2,941 | 73.7 | $9.51M | — |
| 2024 | 2,924 | 75.1 | $10.47M | — |
| 2025 | 2,952 | 73.4 | $10.84M | — |
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 2,952 meters
Counties served
New Castle, DE
Other large utilities in Delaware
- Delmarva Power - 505,595 customers, residential 19.69¢
- Delaware Electric Cooperative - 122,301 customers, residential 13.89¢
- City of Dover - (DE) - 25,346 customers, residential 16.16¢
- City of Newark - (DE) - 13,486 customers, residential 19.75¢
- Town of Middletown - (DE) - 10,333 customers, residential 16.64¢
- City of Milford - (DE) - 9,096 customers, residential 15.86¢
- Town of Smyrna - (DE) - 6,546 customers, residential —
- City of Seaford- (DE) - 4,474 customers, residential —
All Delaware utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #13424 in the EIA frame.