This area is served by 31 utility providers across 4 categories. The average residential electricity rate here is 11.4¢/kWh.
Utility rates in ZIP 21240 vs. US average
Electric
Natural Gas
Water
Sewer
Nearby ZIP codes
Frequently asked questions
How do I set up utilities when moving to 21240?
Contact each provider separately before your move-in date. Start with electric (Baltimore Gas & Electric Co) and gas (Baltimore Gas And Electric Co, (800) 685-0123) since those typically need a few business days to activate. Water and sewer are often handled with one call to your local utility. Set up internet last since it may require an installation visit.
How do utility rates in 21240 compare to the national average?
Residential electricity in Ferndale, MD averages 11.4¢/kWh, about 31% below the US average of 16.5¢/kWh and 36% below the Maryland state average of 17.9¢/kWh. Natural gas in Maryland averages $16.14/Mcf, about 11% above the national average. Actual monthly bills vary by home size, insulation, and season. Local rates from NREL; state and US averages from EIA Form 861 (2024); natural gas prices from EIA Form 176 (2024).
Is electricity expensive in 21240?
No — electricity in Ferndale, MD costs about 31% less than the national average. Compared to Maryland overall, rates here are about 36% lower. Local rates from NREL (2023); state and US averages from EIA (2024).
What county is 21240 in?
ZIP code 21240 is in Anne Arundel County, Maryland.
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.