Utility rates in New Castle vs. US average
Typical monthly utility bills in New Castle
Figures from U.S. Census ACS 5-year estimates, reflecting households that pay utilities separately from rent. In dense urban areas where heat or hot water is often included in rent, these numbers represent the subset of residents who pay directly.
How New Castle heats its homes
56% natural gas · 32% electricity · 12% other fuels
Electric rates in New Castle
Residential rates range from 15.7¢ to 15.7¢ per kWh.
Providers include City of Newark - (DE), Delmarva Power, Town of Middletown - (DE).
This is 5% below the national average of 16.5¢/kWh.
Note: Delaware has a competitive electricity market — you may be able to choose your supplier.
Internet providers in New Castle
New Castle has strong broadband coverage.
Availability varies by address. Based on FCC Broadband Data Collection filings.
Electric 3 providers
Natural Gas 1 provider
Water 31 providers
Sewer 1 provider
Internet 7 providers
Business Internet 1 provider
These providers offer business-class internet service in this area.
ZIP codes in New Castle, DE
Disclaimer: Provider information is sourced from federal databases including HIFLD, EPA SDWIS, FCC Broadband Data, and EIA-861. Utility cost estimates are from the U.S. Census Bureau American Community Survey 5-Year Estimates. Local electric rates are based on 2023 NREL Utility Rate Database data; state and US averages are from EIA Form 861 (2024). Coverage areas are approximate and may not reflect recent changes. Please verify directly with your provider.
Data sources: U.S. Census Bureau, NREL, EIA-861, HIFLD, EPA, FCC. Last updated: May 2026.