Tankless Water Heater (Electric) in Austin — $470/yr to Run (14.3¢/kWh)
Your tankless water heater (electric) in Austin costs about $39/month at 14.3¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Austin, TX Electricity Rate
14.3¢/kWh
Utility: Austin Energy
+10% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.29
9.0 kWh/day
Monthly Cost
$39.20
274 kWh/mo
Annual Cost
$470
3,285 kWh/yr
Lifetime (20yr)
$9,408
energy only
Monthly Cost Breakdown in Austin
| Period | kWh | Austin Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.29 | $1.17 | +$0.12 |
| Weekly | 63.0 | $9.02 | $8.19 | +$0.83 |
| Monthly | 273.8 | $39.20 | $35.59 | +$3.61 |
| Quarterly | 821.3 | $117.60 | $106.76 | +$10.84 |
| Annual | 3285.0 | $470.41 | $427.05 | +$43.36 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Austin.
Daily
$1.29
Monthly
$39.20
Annual
$470
20-Year
$9,408
Energy Saving Tips for Tankless Water Heater (Electric) in Austin
- ✓Austin electricity rates are 10% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Austin saves ~$94/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$71/year at Austin 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 Austin saves approximately $94/year at local rates — $1,882 over the appliance lifetime.
Highest-Cost Appliances in Austin, TX
See which appliances cost the most to run at Austin's 14.3¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,856/yr
$154.66/mo
Electric Furnace
HVAC · 10,000W
$1,289/yr
$107.40/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$941/yr
$78.40/mo
EV Charger (Level 2)
Garage · 7,200W
$928/yr
$77.33/mo
Boiler (Electric)
HVAC · 6,000W
$773/yr
$64.44/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$706/yr
$58.80/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$706/yr
$58.80/mo
Heat Pump
HVAC · 2,400W
$550/yr
$45.82/mo
Tankless Water Heater (Electric) Cost in Other Texas Cities
| City | Rate | Annual Cost | vs Austin |
|---|---|---|---|
| Austin (current) | 14.3¢ | $470 | — |
| Houston | 12.6¢ | $413 | $-58 |
| San Antonio | 13.5¢ | $443 | $-27 |
| Dallas | 14.0¢ | $460 | $-11 |
| Fort Worth | 14.3¢ | $469 | $-1 |
| El Paso | 14.2¢ | $467 | $-3 |
| Arlington | 12.4¢ | $408 | $-62 |
| Corpus Christi | 15.0¢ | $493 | +$23 |
| Plano | 12.0¢ | $395 | $-76 |
Tankless Water Heater (Electric) Energy Cost FAQ — Austin, TX
Understanding Tankless Water Heater (Electric) Energy Costs in Austin, TX
In a major metro like Austin, electricity demand is high and rates reflect the cost of maintaining infrastructure for 1.0 million residents. Running a high-draw appliance like the Tankless Water Heater (Electric) (18,000W) at Austin's rate of 14.3¢/kWh costs approximately $470 per year — $43 more than the national average of $427.
Austin rates are 10% above the national average — a modest premium that adds $43 per year to Tankless Water Heater (Electric) operating costs. Over the appliance's 20-year lifespan, that's $867 in cumulative extra spending versus the national average.
Austin's cost of living index of 95 is below the national average, and electricity costs reflect that affordability. The Tankless Water Heater (Electric) adds $39.20/month to a typical bill of $150. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $94 per year at Austin rates.
Austin's moderate climate (avg 65.5°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. Austin 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 Austin.
Compare All Energy Costs in Austin
See energy costs for 168+ household appliances at Austin's local electricity rate.