Utility Providers in San Diego, Texas

San Diego is served by 17 utility providers across 4 categories covering 1 ZIP code in Duval County.

Duval County · Updated April 2026

Utility rates in San Diego vs. US average

Electricity
13.5¢/kWh
↓ 10% below US average (15.0¢)
Natural gas
$17.98/Mcf
↑ 24% above US average
Electricity: NREL Utility Rate Database, residential avg across San Diego-area providers. Natural gas: EIA state-level residential price (2024, $/Mcf). US avg electricity: 15.0¢/kWh · US avg gas: $14.50/Mcf.

Typical monthly utility bills in San Diego

Electricity$200-$249 (13.5¢–13.5¢/kWh)
Natural gas$50-$99
Water & sewer~$83/month

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 San Diego heats its homes

23%
72%
5%

23% natural gas · 72% electricity · 5% other fuels

Electric rates in San Diego

Residential rates range from 13.5¢ to 13.5¢ per kWh.

San Diego
13.5¢/kWh
U.S. avg
15.0¢/kWh

Providers include AEP Texas Central Company, Medina Electric Coop, Inc, Nueces Electric Cooperative.

This is 10% below the national average of 15.0¢/kWh.

Note: Texas has a competitive electricity market — you may be able to choose your supplier.

Internet providers in San Diego

San Diego has strong broadband coverage.

Smartcom Telephone LLC
5,000 Mbps
Fiber
Spectrum
1,000 Mbps
Cable / Fiber
Valley Telephone Cooperative Inc
1,000 Mbps
Fiber / Fixed Wireless / DSL
Verizon
300 Mbps
Fixed Wireless
Gtek Communications
120 Mbps
Fixed Wireless

Availability varies by address. Based on FCC Broadband Data Collection filings.

Electric 3 providers

AEP Texas Central Company
Medina Electric Coop, Inc
Nueces Electric Cooperative

Water 6 providers

CITY OF SAN DIEGO GLOSSBRENNER UNIT
DUVAL COUNTY CRD BENAVIDES
DUVAL COUNTY CRD CONCEPCION
DUVAL COUNTY CRD REALITOS
SAN DIEGO MUD 1

Sewer 1 provider

Internet 7 providers

AT&T
Fixed Wireless / DSL up to 100 Mbps
Gtek Communications
Fixed Wireless up to 120 Mbps
Smartcom Telephone LLC
Fiber up to 5,000 Mbps
Spectrum
Cable / Fiber up to 1,000 Mbps
T-Mobile
Fixed Wireless up to 100 Mbps
Valley Telephone Cooperative Inc
Fiber / Fixed Wireless / DSL up to 1,000 Mbps
Verizon
Fixed Wireless up to 300 Mbps

ZIP codes in San Diego, TX

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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. Electric rates are based on 2023 NREL data. 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: April 2026.