Tankless Water Heater (Electric) in McKinney — $405/yr to Run (12.3¢/kWh)
Your tankless water heater (electric) in McKinney costs about $34/month at 12.3¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
McKinney, TX Electricity Rate
12.3¢/kWh
Utility: Oncor Electric Delivery
-5% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.11
9.0 kWh/day
Monthly Cost
$33.78
274 kWh/mo
Annual Cost
$405
3,285 kWh/yr
Lifetime (20yr)
$8,107
energy only
Monthly Cost Breakdown in McKinney
| Period | kWh | McKinney Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.11 | $1.17 | $-0.06 |
| Weekly | 63.0 | $7.77 | $8.19 | $-0.42 |
| Monthly | 273.8 | $33.78 | $35.59 | $-1.81 |
| Quarterly | 821.3 | $101.34 | $106.76 | $-5.42 |
| Annual | 3285.0 | $405.37 | $427.05 | $-21.68 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in McKinney.
Daily
$1.11
Monthly
$33.78
Annual
$405
20-Year
$8,107
Energy Saving Tips for Tankless Water Heater (Electric) in McKinney
- ✓McKinney has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in McKinney saves ~$81/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$61/year at McKinney 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 McKinney saves approximately $81/year at local rates — $1,621 over the appliance lifetime.
Highest-Cost Appliances in McKinney, TX
See which appliances cost the most to run at McKinney's 12.3¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,599/yr
$133.27/mo
Electric Furnace
HVAC · 10,000W
$1,111/yr
$92.55/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$811/yr
$67.56/mo
EV Charger (Level 2)
Garage · 7,200W
$800/yr
$66.64/mo
Boiler (Electric)
HVAC · 6,000W
$666/yr
$55.53/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$608/yr
$50.67/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$608/yr
$50.67/mo
Heat Pump
HVAC · 2,400W
$474/yr
$39.49/mo
Tankless Water Heater (Electric) Cost in Other Texas Cities
| City | Rate | Annual Cost | vs McKinney |
|---|---|---|---|
| McKinney (current) | 12.3¢ | $405 | — |
| Houston | 12.6¢ | $413 | +$7 |
| San Antonio | 13.5¢ | $443 | +$38 |
| Dallas | 14.0¢ | $460 | +$54 |
| Austin | 14.3¢ | $470 | +$65 |
| Fort Worth | 14.3¢ | $469 | +$64 |
| El Paso | 14.2¢ | $467 | +$62 |
| Arlington | 12.4¢ | $408 | +$3 |
| Corpus Christi | 15.0¢ | $493 | +$88 |
Tankless Water Heater (Electric) Energy Cost FAQ — McKinney, TX
Understanding Tankless Water Heater (Electric) Energy Costs in McKinney, TX
McKinney 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 McKinney's rate of 12.3¢/kWh costs approximately $405 per year — $22 less than the national average of $427.
Rates in McKinney are close to the national average, so the Tankless Water Heater (Electric)'s annual cost of $405 is broadly representative of what most US households pay. Over the 20-year expected lifespan, total energy cost reaches $8,107.
McKinney's cost of living index of 94 is below the national average, and electricity costs reflect that affordability. The Tankless Water Heater (Electric) adds $33.78/month to a typical bill of $160. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $81 per year at McKinney rates.
In McKinney's warm climate (avg 71.8°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. McKinney 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 McKinney.
Compare All Energy Costs in McKinney
See energy costs for 178+ household appliances at McKinney's local electricity rate.
Frequently Asked Questions
How much does it cost to run a Tankless Water Heater (Electric) in McKinney, TX?
At McKinney's average electricity rate of 12.3¢/kWh, a Tankless Water Heater (Electric) costs approximately $405 per year to run. That's about $33.78 per month with typical usage of 0.5 hours per day.
What is the electricity rate in McKinney, TX?
The average residential electricity rate in McKinney, TX is 12.3¢/kWh, which is 5% below 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 McKinney?
Compared to the national average cost of $427/year, running a Tankless Water Heater (Electric) in McKinney costs $22 less per year due to lower local electricity rates.
How can I reduce my Tankless Water Heater (Electric) energy cost in McKinney?
To reduce Tankless Water Heater (Electric) costs in McKinney: 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.