Utility Providers in Napa, California 94558

Napa County · 5 utility types covered · Updated May 2026

This area is served by 38 utility providers across 5 categories. The average residential electricity rate here is 27.1¢/kWh. 64.6% of households use natural gas as their primary heating fuel.

Utility rates in ZIP 94558 vs. US average

Electricity
27.1¢/kWh
↑ 64% above US average (16.5¢)
↓ 15% below CA state average (32.0¢)
Natural gas
$19.14/Mcf
↑ 32% above US average
Local electricity rate from NREL Utility Rate Database (2023). State and US electric averages from EIA Form 861 (2024). Natural gas prices from EIA Form 176 (2024). US avg: 16.5¢/kWh · $14.50/Mcf.

Typical monthly utility bills in ZIP 94558

Electricity$150-$199 (20.1¢–34.0¢/kWh)
Natural gas$150-$199
Water & sewer~$43/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.

Search any address for detailed utility information →

Electric

Pacific Gas & Electric Co.

Natural Gas

Pacific Gas & Electric Co

Water

ADVENTIST HEALTH - ST. HELENA HOSPITAL
AMERICAN CANYON, CITY OF
BERRYESSA ESTATES (LBRID)
BERRYESSA HIGHLANDS
BERRYESSA PINES WATER SYSTEM
CALISTOGA FARM WORKER CENTER
CALISTOGA, CITY OF
CAPELL VALLEY ESTATES
CIRCLE OAKS WATER DISTRICT
HOWELL MOUNTAIN MUTUAL WATER COMPANY
LA TIERRA HEIGHTS MUTUAL
LINDA FALLS TERRACE MUTUAL
LINDA VISTA MUTUAL WATER CO
MEYERS WATER CO.
MILTON ROAD WATER COMPANY
MONDAVI FARM WORKER CENTER
NAPA RIVER RANCH
PACIFIC UNION COLLEGE
R RANCH AT THE LAKE
RIVER RANCH FARM WORKER CENTER
SPANISH FLAT WATER DISTRICT
ST. HELENA, CITY OF
TOWN OF YOUNTVILLE
TUCKER ACRES MUTUAL WATER CO.
VAILIMA ESTATES MUTUAL WATER
VETERANS HOME OF CALIFORNIA

Sewer

Internet

AT&T
Fiber / DSL / Fixed Wireless up to 5,000 Mbps
GeoLinks
Fixed Wireless up to 200 Mbps
T-Mobile
Fixed Wireless up to 100 Mbps
TPx Communications
DSL up to 500 Mbps
Valley Internet
Fixed Wireless up to 275 Mbps
Verizon
Fixed Wireless up to 300 Mbps
Xfinity
Fiber / Cable up to 10,000 Mbps

Nearby ZIP codes

Frequently asked questions

How do I set up utilities when moving to 94558?

Contact each provider separately before your move-in date. Start with electric (Pacific Gas & Electric Co.) and gas (Pacific Gas & Electric Co, (800) 743-5000) 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 94558 compare to the national average?

Residential electricity in Napa, CA averages 27.1¢/kWh, about 64% above the US average of 16.5¢/kWh and 15% below the California state average of 32.0¢/kWh. Natural gas in California averages $19.14/Mcf, about 32% 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 94558?

Electricity in Napa, CA costs about 64% more than the national average. Compared to California overall, rates here are about 15% lower. Local rates from NREL (2023); state and US averages from EIA (2024).

What internet providers are available in 94558?

Napa, CA has strong broadband coverage. Providers include AT&T (Fiber / DSL / Fixed Wireless up to 5,000 Mbps), GeoLinks (Fixed Wireless up to 200 Mbps), T-Mobile (Fixed Wireless up to 100 Mbps), TPx Communications (DSL up to 500 Mbps), Valley Internet (Fixed Wireless up to 275 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.

What county is 94558 in?

ZIP code 94558 is in Napa County, California.

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.