Tankless Water Heater (Electric) in Killeen — $433/yr to Run (13.2¢/kWh)
Your tankless water heater (electric) in Killeen costs about $36/month at 13.2¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Killeen, TX Electricity Rate
13.2¢/kWh
Utility: Oncor Electric Delivery
+1% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.19
9.0 kWh/day
Monthly Cost
$36.08
274 kWh/mo
Annual Cost
$433
3,285 kWh/yr
Lifetime (20yr)
$8,659
energy only
Monthly Cost Breakdown in Killeen
| Period | kWh | Killeen Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.19 | $1.17 | +$0.02 |
| Weekly | 63.0 | $8.30 | $8.19 | +$0.11 |
| Monthly | 273.8 | $36.08 | $35.59 | +$0.49 |
| Quarterly | 821.3 | $108.24 | $106.76 | +$1.48 |
| Annual | 3285.0 | $432.96 | $427.05 | +$5.91 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Killeen.
Daily
$1.19
Monthly
$36.08
Annual
$433
20-Year
$8,659
Energy Saving Tips for Tankless Water Heater (Electric) in Killeen
- ✓Killeen electricity rates are 1% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Killeen saves ~$87/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$65/year at Killeen 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 Killeen saves approximately $87/year at local rates — $1,732 over the appliance lifetime.
Highest-Cost Appliances in Killeen, TX
See which appliances cost the most to run at Killeen's 13.2¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,708/yr
$142.34/mo
Electric Furnace
HVAC · 10,000W
$1,186/yr
$98.85/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$866/yr
$72.16/mo
EV Charger (Level 2)
Garage · 7,200W
$854/yr
$71.17/mo
Boiler (Electric)
HVAC · 6,000W
$712/yr
$59.31/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$649/yr
$54.12/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$649/yr
$54.12/mo
Heat Pump
HVAC · 2,400W
$506/yr
$42.18/mo
Tankless Water Heater (Electric) Cost in Other Texas Cities
| City | Rate | Annual Cost | vs Killeen |
|---|---|---|---|
| Killeen (current) | 13.2¢ | $433 | — |
| Houston | 12.6¢ | $413 | $-20 |
| San Antonio | 13.5¢ | $443 | +$11 |
| Dallas | 14.0¢ | $460 | +$27 |
| Austin | 14.3¢ | $470 | +$37 |
| Fort Worth | 14.3¢ | $469 | +$36 |
| El Paso | 14.2¢ | $467 | +$34 |
| Arlington | 12.4¢ | $408 | $-25 |
| Corpus Christi | 15.0¢ | $493 | +$60 |
Tankless Water Heater (Electric) Energy Cost FAQ — Killeen, TX
Understanding Tankless Water Heater (Electric) Energy Costs in Killeen, TX
Killeen is a mid-sized Texas city where residential electricity rates from Oncor Electric Delivery are shaped by regional energy supply and local demand patterns. Running a high-draw appliance like the Tankless Water Heater (Electric) (18,000W) at Killeen's rate of 13.2¢/kWh costs approximately $433 per year — $6 more than the national average of $427.
Killeen rates are 1% above the national average — a modest premium that adds $6 per year to Tankless Water Heater (Electric) operating costs. Over the appliance's 20-year lifespan, that's $118 in cumulative extra spending versus the national average.
Killeen's cost of living index of 87 is below the national average, and electricity costs reflect that affordability. The Tankless Water Heater (Electric) adds $36.08/month to a typical bill of $140. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $87 per year at Killeen rates.
Killeen's moderate climate (avg 61.7°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. Killeen 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 Killeen.
Compare All Energy Costs in Killeen
See energy costs for 178+ household appliances at Killeen's local electricity rate.
Frequently Asked Questions
How much does it cost to run a Tankless Water Heater (Electric) in Killeen, TX?
At Killeen's average electricity rate of 13.2¢/kWh, a Tankless Water Heater (Electric) costs approximately $433 per year to run. That's about $36.08 per month with typical usage of 0.5 hours per day.
What is the electricity rate in Killeen, TX?
The average residential electricity rate in Killeen, TX is 13.2¢/kWh, which is 1% above the national average of 13.0¢/kWh. The primary utility provider is Oncor Electric Delivery.
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 Killeen?
Compared to the national average cost of $427/year, running a Tankless Water Heater (Electric) in Killeen costs $6 more per year due to higher local electricity rates.
How can I reduce my Tankless Water Heater (Electric) energy cost in Killeen?
To reduce Tankless Water Heater (Electric) costs in Killeen: 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 Oncor Electric Delivery for local energy efficiency rebates and programs.