Electric Water Heater (Tank) in St. Louis — $646/yr to Run (13.1¢/kWh)
Your electric water heater (tank) in St. Louis costs about $54/month at 13.1¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
St. Louis, MO Electricity Rate
13.1¢/kWh
Utility: Ameren Missouri
+1% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.77
13.5 kWh/day
Monthly Cost
$53.79
411 kWh/mo
Annual Cost
$646
4,928 kWh/yr
Lifetime (12yr)
$7,746
energy only
Monthly Cost Breakdown in St. Louis
| Period | kWh | St. Louis Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 13.5 | $1.77 | $1.76 | +$0.01 |
| Weekly | 94.5 | $12.38 | $12.29 | +$0.09 |
| Monthly | 410.6 | $53.79 | $53.38 | +$0.41 |
| Quarterly | 1231.9 | $161.38 | $160.14 | +$1.23 |
| Annual | 4927.5 | $645.50 | $640.58 | +$4.93 |
Customize Your Electric Water Heater (Tank) Cost
Adjust usage hours and electricity rate to calculate your exact cost in St. Louis.
Daily
$1.77
Monthly
$53.79
Annual
$646
12-Year
$7,746
Energy Saving Tips for Electric Water Heater (Tank) in St. Louis
- ✓St. Louis electricity rates are 1% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Electric Water Heater (Tank) in St. Louis saves ~$97/year compared to standard models.
- ✓A smart Electric Water Heater (Tank) with scheduling optimization can save ~$97/year at St. Louis rates.
- ✓Set temperature to 120F
- ✓Insulate tank and hot water pipes
- ✓Drain sediment annually
ENERGY STAR Savings: Upgrading to an ENERGY STAR Electric Water Heater (Tank) in St. Louis saves approximately $97/year at local rates — $1,162 over the appliance lifetime.
Highest-Cost Appliances in St. Louis, MO
See which appliances cost the most to run at St. Louis's 13.1¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,698/yr
$141.48/mo
Electric Furnace
HVAC · 10,000W
$1,179/yr
$98.25/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$861/yr
$71.72/mo
EV Charger (Level 2)
Garage · 7,200W
$849/yr
$70.74/mo
Boiler (Electric)
HVAC · 6,000W
$707/yr
$58.95/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$646/yr
$53.79/mo
Heat Pump
HVAC · 2,400W
$503/yr
$41.92/mo
Hot Tub / Spa
Pool & Spa · 3,000W
$472/yr
$39.30/mo
Electric Water Heater (Tank) Cost in Other Missouri Cities
| City | Rate | Annual Cost | vs St. Louis |
|---|---|---|---|
| St. Louis (current) | 13.1¢ | $646 | — |
| Kansas City | 13.5¢ | $664 | +$18 |
| Springfield | 12.7¢ | $625 | $-21 |
| Columbia | 13.4¢ | $659 | +$13 |
| Independence | 13.9¢ | $682 | +$37 |
| Lee's Summit | 11.7¢ | $577 | $-68 |
| OFallon | 10.2¢ | $504 | $-142 |
| St. Joseph | 13.2¢ | $649 | +$3 |
| St. Charles | 13.3¢ | $653 | +$8 |
Electric Water Heater (Tank) Energy Cost FAQ — St. Louis, MO
Understanding Electric Water Heater (Tank) Energy Costs in St. Louis, MO
St. Louis is a mid-sized Missouri city where residential electricity rates from Ameren Missouri are shaped by regional energy supply and local demand patterns. Running a high-draw appliance like the Electric Water Heater (Tank) (4,500W) at St. Louis's rate of 13.1¢/kWh costs approximately $646 per year — $5 more than the national average of $641.
St. Louis rates are 1% above the national average — a modest premium that adds $5 per year to Electric Water Heater (Tank) operating costs. Over the appliance's 12-year lifespan, that's $59 in cumulative extra spending versus the national average.
With a cost of living index of 97, St. Louis is near the national median. The Electric Water Heater (Tank)'s monthly cost of $53.79 represents a typical share of the average St. Louis electric bill of $101/month. Upgrading to an ENERGY STAR Electric Water Heater (Tank) can cut energy use by up to 15%, saving approximately $97 per year at St. Louis rates.
St. Louis's moderate climate (avg 47.8°F) helps keep seasonal energy cost swings manageable for most appliances. A Electric Water Heater (Tank) produces approximately 3.52 tons of CO2 annually at typical usage. St. Louis 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 St. Louis.
Compare All Energy Costs in St. Louis
See energy costs for 178+ household appliances at St. Louis's local electricity rate.
Frequently Asked Questions
How much does it cost to run an Electric Water Heater (Tank) in St. Louis, MO?
At St. Louis's average electricity rate of 13.1¢/kWh, an Electric Water Heater (Tank) costs approximately $646 per year to run. That's about $53.79 per month with typical usage of 3 hours per day.
What is the electricity rate in St. Louis, MO?
The average residential electricity rate in St. Louis, MO is 13.1¢/kWh, which is 1% above the national average of 13.0¢/kWh. The primary utility provider is Ameren Missouri.
How much electricity does an Electric Water Heater (Tank) use per year?
A Electric Water Heater (Tank) uses approximately 4,500 watts and consumes about 4,928 kWh per year with typical usage of 3 hours/day for 365 days/year.
Is an Electric Water Heater (Tank) expensive to run in St. Louis?
Compared to the national average cost of $641/year, running an Electric Water Heater (Tank) in St. Louis costs $5 more per year due to higher local electricity rates.
How can I reduce my Electric Water Heater (Tank) energy cost in St. Louis?
To reduce Electric Water Heater (Tank) costs in St. Louis: Set temperature to 120F. Insulate tank and hot water pipes. Upgrading to an ENERGY STAR model saves up to 15% on energy costs. Also check with Ameren Missouri for local energy efficiency rebates and programs.