What is the average electricity rate in Watertown, South Dakota?

The average residential electricity rate in Watertown is approximately 10.90¢/kWh per kWh. The average household pays around $108 per month for electricity.

What is the average natural gas bill in Watertown?

Natural gas customers in Watertown pay an average of $72 per month. The rate is approximately $0.86/therm per therm.

Which electric company serves Watertown, South Dakota?

Electricity in Watertown is distributed by NorthWestern Energy and Watertown Municipal Utilities. Contact your provider at your local service address to confirm which utility serves your home.

Which gas company serves Watertown?

Watertown natural gas service is provided by Black Hills Energy and MidAmerican Energy South Dakota. Call them directly for new service connections or to report a gas leak.

How do Watertown electricity rates compare to South Dakota averages?

Watertown's electricity rate of 10.90¢/kWh is below the South Dakota state average of 15.73¢/kWh. This can reflect a municipal utility or favorable regional generation mix.

How do I start or stop utility service in Watertown?

To start electric service in Watertown, contact NorthWestern Energy and Watertown Municipal Utilities. For gas service, contact Black Hills Energy and MidAmerican Energy South Dakota. You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.

Watertown, South Dakota Gas & Electricity Rates — Utility Providers & Savings 2026

Gas & Electricity in Watertown, South Dakota

Watertown is served by NorthWestern Energy and Watertown Municipal Utilities. Utilities covering Codington County report an average residential electricity rate of 10.90¢/kWh — below the South Dakota state average of 15.73¢/kWh — and a typical monthly electric bill of $108. Natural gas in Watertown is distributed by Black Hills Energy.

Compared to the South Dakota state average of 15.73¢/kWh/kWh, Watertown's electricity rate of 10.90¢/kWh is 4.83¢ below the South Dakota average. As South Dakota has a regulated market, your utility is determined by your address.

Electric Utility in Watertown

NorthWestern Energy
Watertown Municipal Utilities
Otter Tail Power Co

Natural Gas Utility in Watertown

Black Hills Energy
MidAmerican Energy South Dakota

Watertown vs South Dakota Energy Rates

Metric	Watertown	South Dakota Average	US Average
Electric Rate (¢/kWh)	10.90¢	15.73¢	16.00¢
Gas Rate ($/therm)	$0.86	$0.86	$1.47
Monthly Electric Bill	$108	$127	$117
Monthly Gas Bill	$72	$72	$73

Energy Assistance Programs for Watertown Residents

As a South Dakota city, Watertown residents can access the following state and local assistance programs:

✅ South Dakota LIHEAP
✅ SD Energy Assistance Program
✅ Weatherization Assistance
✅ Black Hills Energy Efficiency Rebates

Energy-Saving Tips for Watertown Residents

✓ Winterize your pipes and insulate your water heater for cold months.
✓ Install a programmable thermostat and set heating schedules around your work day.
✓ Check that your furnace filter is replaced monthly during peak heating season.
✓ Add weatherstripping to exterior doors — a common source of heat loss in older Midwest homes.
✓ Consider shopping for a competitive electricity supplier in deregulated Ohio, Illinois markets.

FAQ — Gas & Electricity in Watertown, South Dakota

The average residential electricity rate in Watertown is approximately 10.90¢/kWh per kWh. The average household pays around $108 per month for electricity.
Natural gas customers in Watertown pay an average of $72 per month. The rate is approximately $0.86/therm per therm.
Electricity in Watertown is distributed by NorthWestern Energy and Watertown Municipal Utilities. Contact your provider at your local service address to confirm which utility serves your home.
Watertown natural gas service is provided by Black Hills Energy and MidAmerican Energy South Dakota. Call them directly for new service connections or to report a gas leak.
Watertown's electricity rate of 10.90¢/kWh is below the South Dakota state average of 15.73¢/kWh. This can reflect a municipal utility or favorable regional generation mix.
To start electric service in Watertown, contact NorthWestern Energy and Watertown Municipal Utilities. For gas service, contact Black Hills Energy and MidAmerican Energy South Dakota. You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.