Utility Providers in Oldham, South Dakota

Oldham is served by 18 utility providers across 4 categories covering 1 ZIP code in Kingsbury County.

Kingsbury County · Updated May 2026

Utility rates in Oldham vs. US average

Electricity
11.9¢/kWh
↓ 28% below US average (16.5¢)
↓ 7% below SD state average (12.9¢)
Natural gas
$9.32/Mcf
↓ 36% below US average
Local electricity rate from NREL Utility Rate Database (2023), averaged across Oldham-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 Oldham

Electricity$150-$199 (11.1¢–12.5¢/kWh)
Natural gas$100-$149
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 Oldham heats its homes

51%
26%
24%

51% natural gas · 26% electricity · 24% other fuels

Electric rates in Oldham

Residential rates range from 11.1¢ to 12.5¢ per kWh.

Oldham
11.8¢/kWh
U.S. avg
16.5¢/kWh

Providers include Dakota Energy Coop Inc, NorthWestern Energy - (SD), Otter Tail Power Co, Sioux Valley SW Elec Coop.

This is 28% below the national average of 16.5¢/kWh.

Internet providers in Oldham

Oldham has strong broadband coverage.

Alliance Communications Cooperative Inc
1,000 Mbps
Fiber
Valley FiberCom
1,000 Mbps
Fiber
Verizon
50 Mbps
Fixed Wireless
AT&T
10 Mbps
Fixed Wireless
CenturyLink
10 Mbps
DSL

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

Electric 4 providers

Dakota Energy Coop Inc
NorthWestern Energy - (SD)
Otter Tail Power Co
Sioux Valley SW Elec Coop

Water 8 providers

KINGBROOK I RURAL WATER SYSTEM
KINGBROOK II RURAL WATER SYSTEM
SPRING LAKE COLONY

Sewer 1 provider

OLDHAM, CITY OF

Internet 5 providers

Alliance Communications Cooperative Inc
Fiber up to 1,000 Mbps
AT&T
Fixed Wireless up to 10 Mbps
CenturyLink
DSL up to 10 Mbps
Valley FiberCom
Fiber up to 1,000 Mbps
Verizon
Fixed Wireless up to 50 Mbps

ZIP codes in Oldham, SD

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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.