Tankless Water Heater (Electric) in Westminster — $507/yr to Run (15.4¢/kWh)
Your tankless water heater (electric) in Westminster costs about $42/month at 15.4¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Westminster, CO Electricity Rate
15.4¢/kWh
Utility: Xcel Energy
+19% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.39
9.0 kWh/day
Monthly Cost
$42.27
274 kWh/mo
Annual Cost
$507
3,285 kWh/yr
Lifetime (20yr)
$10,144
energy only
Monthly Cost Breakdown in Westminster
| Period | kWh | Westminster Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.39 | $1.17 | +$0.22 |
| Weekly | 63.0 | $9.73 | $8.19 | +$1.54 |
| Monthly | 273.8 | $42.27 | $35.59 | +$6.68 |
| Quarterly | 821.3 | $126.80 | $106.76 | +$20.04 |
| Annual | 3285.0 | $507.20 | $427.05 | +$80.15 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Westminster.
Daily
$1.39
Monthly
$42.27
Annual
$507
20-Year
$10,144
Energy Saving Tips for Tankless Water Heater (Electric) in Westminster
- ✓Westminster electricity rates are 19% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Westminster saves ~$101/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$76/year at Westminster 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 Westminster saves approximately $101/year at local rates — $2,029 over the appliance lifetime.
Highest-Cost Appliances in Westminster, CO
See which appliances cost the most to run at Westminster's 15.4¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$2,001/yr
$166.75/mo
Electric Furnace
HVAC · 10,000W
$1,390/yr
$115.80/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$1,014/yr
$84.53/mo
EV Charger (Level 2)
Garage · 7,200W
$1,001/yr
$83.38/mo
Boiler (Electric)
HVAC · 6,000W
$834/yr
$69.48/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$761/yr
$63.40/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$761/yr
$63.40/mo
Heat Pump
HVAC · 2,400W
$593/yr
$49.41/mo
Tankless Water Heater (Electric) Cost in Other Colorado Cities
| City | Rate | Annual Cost | vs Westminster |
|---|---|---|---|
| Westminster (current) | 15.4¢ | $507 | — |
| Denver | 14.5¢ | $476 | $-31 |
| Colorado Springs | 13.7¢ | $450 | $-57 |
| Aurora | 15.4¢ | $505 | $-2 |
| Fort Collins | 13.7¢ | $449 | $-58 |
| Lakewood | 13.9¢ | $457 | $-50 |
| Thornton | 15.0¢ | $493 | $-14 |
| Arvada | 14.8¢ | $487 | $-20 |
| Pueblo | 14.8¢ | $487 | $-20 |
Tankless Water Heater (Electric) Energy Cost FAQ — Westminster, CO
Understanding Tankless Water Heater (Electric) Energy Costs in Westminster, CO
Westminster is a mid-sized Colorado city where residential electricity rates from Xcel 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 Westminster's rate of 15.4¢/kWh costs approximately $507 per year — $80 more than the national average of $427.
Westminster rates are 19% above the national average — a modest premium that adds $80 per year to Tankless Water Heater (Electric) operating costs. Over the appliance's 20-year lifespan, that's $1,603 in cumulative extra spending versus the national average.
With a cost of living index of 106, Westminster is near the national median. The Tankless Water Heater (Electric)'s monthly cost of $42.27 represents a typical share of the average Westminster electric bill of $161/month. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $101 per year at Westminster rates.
In Westminster's warm climate (avg 77.5°F), HVAC-related appliances tend to run more frequently, compounding energy costs. A Tankless Water Heater (Electric) produces approximately 2.35 tons of CO2 annually at typical usage. Westminster 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 Westminster.
Compare All Energy Costs in Westminster
See energy costs for 168+ household appliances at Westminster's local electricity rate.