Tankless Water Heater (Electric) in Sioux Falls — $435/yr to Run (13.2¢/kWh)
Your tankless water heater (electric) in Sioux Falls costs about $36/month at 13.2¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Sioux Falls, SD Electricity Rate
13.2¢/kWh
Utility: Black Hills Energy
+2% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.19
9.0 kWh/day
Monthly Cost
$36.24
274 kWh/mo
Annual Cost
$435
3,285 kWh/yr
Lifetime (20yr)
$8,699
energy only
Monthly Cost Breakdown in Sioux Falls
| Period | kWh | Sioux Falls Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.19 | $1.17 | +$0.02 |
| Weekly | 63.0 | $8.34 | $8.19 | +$0.15 |
| Monthly | 273.8 | $36.24 | $35.59 | +$0.66 |
| Quarterly | 821.3 | $108.73 | $106.76 | +$1.97 |
| Annual | 3285.0 | $434.93 | $427.05 | +$7.88 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Sioux Falls.
Daily
$1.19
Monthly
$36.24
Annual
$435
20-Year
$8,699
Energy Saving Tips for Tankless Water Heater (Electric) in Sioux Falls
- ✓Sioux Falls electricity rates are 2% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Sioux Falls saves ~$87/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$65/year at Sioux Falls rates.
- ✓Provides hot water on demand with no standby loss
- ✓Flush annually to remove scale
- ✓Requires dedicated electrical circuit
ENERGY STAR Savings: Upgrading to an ENERGY STAR Tankless Water Heater (Electric) in Sioux Falls saves approximately $87/year at local rates — $1,740 over the appliance lifetime.
Highest-Cost Appliances in Sioux Falls, SD
See which appliances cost the most to run at Sioux Falls's 13.2¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,716/yr
$142.99/mo
Electric Furnace
HVAC · 10,000W
$1,192/yr
$99.30/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$870/yr
$72.49/mo
EV Charger (Level 2)
Garage · 7,200W
$858/yr
$71.50/mo
Boiler (Electric)
HVAC · 6,000W
$715/yr
$59.58/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$652/yr
$54.37/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$652/yr
$54.37/mo
Heat Pump
HVAC · 2,400W
$508/yr
$42.37/mo
Tankless Water Heater (Electric) Cost in Other South Dakota Cities
| City | Rate | Annual Cost | vs Sioux Falls |
|---|---|---|---|
| Sioux Falls (current) | 13.2¢ | $435 | — |
| Rapid City | 13.2¢ | $435 | $-0 |
Tankless Water Heater (Electric) Energy Cost FAQ — Sioux Falls, SD
Understanding Tankless Water Heater (Electric) Energy Costs in Sioux Falls, SD
Sioux Falls is a mid-sized South Dakota city where residential electricity rates from Black Hills Energy are shaped by regional energy supply and local demand patterns. Running a high-draw appliance like the Tankless Water Heater (Electric) (18,000W) at Sioux Falls's rate of 13.2¢/kWh costs approximately $435 per year — $8 more than the national average of $427.
Sioux Falls rates are 2% above the national average — a modest premium that adds $8 per year to Tankless Water Heater (Electric) operating costs. Over the appliance's 20-year lifespan, that's $158 in cumulative extra spending versus the national average.
With a cost of living index of 102, Sioux Falls is near the national median. The Tankless Water Heater (Electric)'s monthly cost of $36.24 represents a typical share of the average Sioux Falls electric bill of $116/month. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $87 per year at Sioux Falls rates.
Sioux Falls's moderate climate (avg 56.6°F) helps keep seasonal energy cost swings manageable for most appliances. A Tankless Water Heater (Electric) produces approximately 2.35 tons of CO2 annually at typical usage. Sioux Falls residents can reduce this footprint by choosing an ENERGY STAR certified unit, optimizing usage patterns, or investing in solar — see our solar savings calculator for Sioux Falls.
Compare All Energy Costs in Sioux Falls
See energy costs for 178+ household appliances at Sioux Falls's local electricity rate.
Frequently Asked Questions
How much does it cost to run a Tankless Water Heater (Electric) in Sioux Falls, SD?
At Sioux Falls's average electricity rate of 13.2¢/kWh, a Tankless Water Heater (Electric) costs approximately $435 per year to run. That's about $36.24 per month with typical usage of 0.5 hours per day.
What is the electricity rate in Sioux Falls, SD?
The average residential electricity rate in Sioux Falls, SD is 13.2¢/kWh, which is 2% above the national average of 13.0¢/kWh. The primary utility provider is Black Hills Energy.
How much electricity does a Tankless Water Heater (Electric) use per year?
A Tankless Water Heater (Electric) uses approximately 18,000 watts and consumes about 3,285 kWh per year with typical usage of 0.5 hours/day for 365 days/year.
Is a Tankless Water Heater (Electric) expensive to run in Sioux Falls?
Compared to the national average cost of $427/year, running a Tankless Water Heater (Electric) in Sioux Falls costs $8 more per year due to higher local electricity rates.
How can I reduce my Tankless Water Heater (Electric) energy cost in Sioux Falls?
To reduce Tankless Water Heater (Electric) costs in Sioux Falls: Provides hot water on demand with no standby loss. Flush annually to remove scale. Upgrading to an ENERGY STAR model saves up to 20% on energy costs. Also check with Black Hills Energy for local energy efficiency rebates and programs.