Heat Pump in St. Louis — $503/yr to Run (13.1¢/kWh)
Your heat pump in St. Louis costs about $42/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
$2.52
19.2 kWh/day
Monthly Cost
$41.92
320 kWh/mo
Annual Cost
$503
3,840 kWh/yr
Lifetime (15yr)
$7,546
energy only
Monthly Cost Breakdown in St. Louis
| Period | kWh | St. Louis Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 19.2 | $2.52 | $2.50 | +$0.02 |
| Weekly | 134.4 | $17.61 | $17.47 | +$0.13 |
| Monthly | 320.0 | $41.92 | $41.60 | +$0.32 |
| Quarterly | 960.0 | $125.76 | $124.80 | +$0.96 |
| Annual | 3840.0 | $503.04 | $499.20 | +$3.84 |
Customize Your Heat Pump Cost
Adjust usage hours and electricity rate to calculate your exact cost in St. Louis.
Daily
$2.52
Monthly
$41.92
Annual
$503
15-Year
$7,546
Energy Saving Tips for Heat Pump in St. Louis
- ✓St. Louis electricity rates are 1% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Heat Pump in St. Louis saves ~$101/year compared to standard models.
- ✓A smart Heat Pump with scheduling optimization can save ~$101/year at St. Louis rates.
- ✓Keep outdoor unit clear of debris
- ✓Use backup heat only when necessary
- ✓Set to auto mode
ENERGY STAR Savings: Upgrading to an ENERGY STAR Heat Pump in St. Louis saves approximately $101/year at local rates — $1,509 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
Electric Water Heater (Tank)
Water Heating · 4,500W
$646/yr
$53.79/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$646/yr
$53.79/mo
Hot Tub / Spa
Pool & Spa · 3,000W
$472/yr
$39.30/mo
Heat Pump Cost in Other Missouri Cities
| City | Rate | Annual Cost | vs St. Louis |
|---|---|---|---|
| St. Louis (current) | 13.1¢ | $503 | — |
| Kansas City | 13.5¢ | $517 | +$14 |
| Springfield | 12.7¢ | $487 | $-16 |
| Columbia | 13.4¢ | $513 | +$10 |
| Independence | 13.9¢ | $532 | +$29 |
| Lee's Summit | 11.7¢ | $450 | $-53 |
| OFallon | 10.2¢ | $392 | $-111 |
| St. Joseph | 13.2¢ | $506 | +$3 |
| St. Charles | 13.3¢ | $509 | +$6 |
Heat Pump Energy Cost FAQ — St. Louis, MO
Understanding Heat Pump 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 Heat Pump (2,400W) at St. Louis's rate of 13.1¢/kWh costs approximately $503 per year — $4 more than the national average of $499.
St. Louis rates are 1% above the national average — a modest premium that adds $4 per year to Heat Pump operating costs. Over the appliance's 15-year lifespan, that's $58 in cumulative extra spending versus the national average.
With a cost of living index of 97, St. Louis is near the national median. The Heat Pump's monthly cost of $41.92 represents a typical share of the average St. Louis electric bill of $101/month. Upgrading to an ENERGY STAR Heat Pump can cut energy use by up to 20%, saving approximately $101 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 Heat Pump produces approximately 2.74 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 a Heat Pump in St. Louis, MO?
At St. Louis's average electricity rate of 13.1¢/kWh, a Heat Pump costs approximately $503 per year to run. That's about $41.92 per month with typical usage of 8 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 a Heat Pump use per year?
A Heat Pump uses approximately 2,400 watts and consumes about 3,840 kWh per year with typical usage of 8 hours/day for 200 days/year.
Is a Heat Pump expensive to run in St. Louis?
Compared to the national average cost of $499/year, running a Heat Pump in St. Louis costs $4 more per year due to higher local electricity rates.
How can I reduce my Heat Pump energy cost in St. Louis?
To reduce Heat Pump costs in St. Louis: Keep outdoor unit clear of debris. Use backup heat only when necessary. Upgrading to an ENERGY STAR model saves up to 20% on energy costs. Also check with Ameren Missouri for local energy efficiency rebates and programs.