UtilityFinder

Utility Providers in Mackay, Idaho

Mackay is served by 9 utility providers across 4 categories covering 1 ZIP code in Custer County.

Custer County · Updated May 2026

Utility rates in Mackay vs. US average

Electricity
10.6¢/kWh
↓ 36% below US average (16.5¢)
↓ 8% below ID state average (11.5¢)
Natural gas
$8.51/Mcf
↓ 41% below US average
Local electricity rate from NREL Utility Rate Database (2023), averaged across Mackay-area providers. State and US electric averages from EIA Form 861 (2024). Natural gas prices from EIA Form 176 (2024, $/Mcf). US avg electricity: 16.5¢/kWh · US avg gas: $14.50/Mcf.

Typical monthly utility bills in Mackay

Electricity$150-$199 (9.1¢–11.6¢/kWh)
Natural gas$250+
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.

How Mackay heats its homes

2%
60%
38%

2% natural gas · 60% electricity · 38% other fuels

Electric rates in Mackay

Residential rates range from 9.1¢ to 11.6¢ per kWh.

Mackay
10.3¢/kWh
U.S. avg
16.5¢/kWh

Mackay is served by Salmon River Electric Coop Inc, a cooperative utility.

This is 36% below the national average of 16.5¢/kWh.

Internet providers in Mackay

Mackay has moderate broadband coverage.

ATC Communications
1,000 Mbps
Fiber / DSL
CusterTel
1,000 Mbps
Cable / Fiber
T-Mobile
100 Mbps
Fixed Wireless

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

Electric 1 provider

Salmon River Electric Coop Inc
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Water 4 providers

ANTELOPE CREEK LIVING CENTER
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CHALLIS CITY OF
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MACKAY CITY OF
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ROUND VALLEY WATER ASSN
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Sewer 1 provider

MACKAY, CITY OF - MACKAY WWTP
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Internet 3 providers

ATC Communications
Fiber / DSL up to 1,000 Mbps
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CusterTel
Cable / Fiber up to 1,000 Mbps
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T-Mobile
Fixed Wireless up to 100 Mbps
1-844-275-9310 · www.t-mobile.com/home-internet

ZIP codes in Mackay, ID

83251

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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. 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.