Utility Costs in South Dakota (SD)
The average household in South Dakota pays $225 per month for utilities, which breaks down to $120/mo for electricity (at 12.5¢/kWh), $70/mo for natural gas, and $35/mo for water. This is $22 (8.91%) below the national average of $247/mo. This ranks South Dakota #40 out of 51 states (1 = most expensive), with utilities consuming approximately 3.6% of the median household income. Hydropower and wind keep electric rates low. Harsh winters drive gas costs. Low water costs.
Utility Costs by City in South Dakota
The table below shows average monthly utility costs for 2 cities in South Dakota, sorted by total cost from highest to lowest. Costs can vary within a state due to different utility providers, local water systems, and microclimates. Sioux Falls is the most expensive at $230/mo, while Rapid City is the most affordable at $220/mo.
| City | Electric | Gas | Water | Total/Mo | Annual | vs. State Avg |
|---|---|---|---|---|---|---|
| Sioux Falls | $122 | $72 | $36 | $230 | $2,760 | +$5 |
| Rapid City | $118 | $68 | $34 | $220 | $2,640 | -$5 |
How South Dakota Compares to Other States
Below is a comparison of South Dakota with five states that have similar total monthly utility costs. This comparison helps illustrate where South Dakota stands nationally and shows how the cost breakdown (electric vs. gas vs. water) can differ even when totals are similar.
| State | Electric | Rate | Gas | Water | Total/Mo |
|---|---|---|---|---|---|
| South Dakota (SD) | $120 | 12.5¢/kWh | $70 | $35 | $225 |
| Mississippi (MS) | $135 | 12.5¢/kWh | $55 | $35 | $225 |
| Nevada (NV) | $130 | 12.5¢/kWh | $45 | $50 | $225 |
| North Dakota (ND) | $115 | 12.0¢/kWh | $75 | $35 | $225 |
| Oklahoma (OK) | $125 | 11.5¢/kWh | $60 | $40 | $225 |
| Colorado (CO) | $115 | 14.2¢/kWh | $65 | $50 | $230 |
Utility Cost Breakdown for South Dakota
Electricity in South Dakota
The average electricity bill in South Dakota is $120/month, with a rate of 12.5¢/kWh. This is well below the national average rate of about 16 cents per kWh, making South Dakota one of the more affordable states for electricity. The total bill of $120/mo is below the national average of $137/mo.
Natural Gas in South Dakota
Natural gas costs average $70/month in South Dakota. This is near the national average, reflecting moderate heating needs and gas pricing. The national average gas bill is approximately $65/month.
Water in South Dakota
Water and basic sewer service averages $35/month in South Dakota. Lower water costs reflect abundant water resources and efficient delivery infrastructure. The national average water bill is approximately $45/month.
Estimated Utility Costs by Home Size in South Dakota
The averages above are based on a standard household. Here is how monthly utility costs in South Dakota typically vary by home type and size. These estimates apply the state's specific electric rates, gas costs, and water charges to different living situations.
| Home Type | Electric | Gas | Water | Total/Mo | Annual |
|---|---|---|---|---|---|
| Studio/1BR Apartment | $54 | $28 | $18 | $101 | $1,215 |
| 2BR Apartment/Condo | $78 | $39 | $23 | $140 | $1,674 |
| Small House (3BR) | $108 | $60 | $30 | $196 | $2,349 |
| Average House (3-4BR) | $120 | $70 | $35 | $225 | $2,700 |
| Large House (4-5BR) | $156 | $88 | $46 | $288 | $3,456 |
How to Save on Utilities in South Dakota
Based on South Dakota's specific cost profile, here are the highest-impact strategies for reducing your utility bills:
Maintain Low Electric Costs
Your state already has below-average electric costs at $120/mo. Maintain this advantage by using a programmable thermostat, switching to LED lighting, and running major appliances during off-peak hours when your utility offers time-of-use rates.
Check for Rebates and Programs
Contact your local utility provider in South Dakota about energy audit programs (often free), appliance rebates, weatherization assistance, and budget billing to smooth seasonal cost swings. Low-income households may qualify for LIHEAP (Low Income Home Energy Assistance Program) and WAP (Weatherization Assistance Program) benefits.
Frequently Asked Questions About Utilities in South Dakota
What is the average utility bill in South Dakota?
The average household in South Dakota pays approximately $225 per month for utilities, or $2,700 per year. This includes $120 for electricity, $70 for natural gas, and $35 for water. This is $22 below the national average.
How much is electricity per kWh in South Dakota?
The average residential electricity rate in South Dakota is 12.5¢/kWh, which translates to an average monthly electric bill of $120. This is near the national average of approximately 16 cents per kWh.
Which city in South Dakota has the highest utility costs?
Among the cities tracked, Sioux Falls has the highest average utility costs at $230/month, while Rapid City has the lowest at $220/month. Costs can vary further depending on your specific utility provider and usage.
How can I lower my utility bills in South Dakota?
To reduce your utility costs in South Dakota, consider: upgrading to energy-efficient appliances (look for ENERGY STAR ratings), improving home insulation and sealing air leaks, using a programmable or smart thermostat, switching to LED lighting, and fixing any water leaks promptly. Check with your local utility for rebate programs and energy audit services.
Are utility costs in South Dakota going up?
Utility costs nationwide have been increasing at approximately 2-4% per year due to infrastructure investments, fuel costs, and growing demand. In South Dakota, trends depend on local factors including energy source mix, regulatory decisions, and weather patterns. States with hydropower or wind energy tend to see more stable pricing. Contact your local utility provider for rate change notices and budget billing options.
Compare Utility Costs Across States
Use our utility cost lookup tool to compare South Dakota with any other state, or browse all 50 states ranked by cost to see where South Dakota stands nationally. Understanding utility costs can help with budgeting, relocation decisions, and identifying savings opportunities.