Electric Tankless Water Heater in McKinney — $811/yr to Run (12.3¢/kWh)
Your electric tankless water heater in McKinney costs about $68/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
$2.22
18.0 kWh/day
Monthly Cost
$67.56
548 kWh/mo
Annual Cost
$811
6,570 kWh/yr
Lifetime (20yr)
$16,215
energy only
Monthly Cost Breakdown in McKinney
| Period | kWh | McKinney Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 18.0 | $2.22 | $2.34 | $-0.12 |
| Weekly | 126.0 | $15.55 | $16.38 | $-0.83 |
| Monthly | 547.5 | $67.56 | $71.17 | $-3.61 |
| Quarterly | 1642.5 | $202.68 | $213.53 | $-10.84 |
| Annual | 6570.0 | $810.74 | $854.10 | $-43.36 |
Customize Your Electric Tankless Water Heater Cost
Adjust usage hours and electricity rate to calculate your exact cost in McKinney.
Daily
$2.22
Monthly
$67.56
Annual
$811
20-Year
$16,215
Energy Saving Tips for Electric Tankless Water Heater in McKinney
- ✓McKinney has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Electric Tankless Water Heater in McKinney saves ~$195/year compared to standard models.
- ✓A smart Electric Tankless Water Heater with scheduling optimization can save ~$122/year at McKinney rates.
- ✓Install point-of-use units for remote fixtures
- ✓Size properly for peak demand
- ✓Consider electrical upgrade
ENERGY STAR Savings: Upgrading to an ENERGY STAR Electric Tankless Water Heater in McKinney saves approximately $195/year at local rates — $3,892 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
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
Hot Tub / Spa
Pool & Spa · 3,000W
$444/yr
$37.02/mo
Electric Tankless Water Heater Cost in Other Texas Cities
| City | Rate | Annual Cost | vs McKinney |
|---|---|---|---|
| McKinney (current) | 12.3¢ | $811 | — |
| Houston | 12.6¢ | $825 | +$14 |
| San Antonio | 13.5¢ | $887 | +$76 |
| Dallas | 14.0¢ | $919 | +$108 |
| Austin | 14.3¢ | $941 | +$130 |
| Fort Worth | 14.3¢ | $938 | +$127 |
| El Paso | 14.2¢ | $934 | +$124 |
| Arlington | 12.4¢ | $817 | +$6 |
| Corpus Christi | 15.0¢ | $987 | +$176 |
Electric Tankless Water Heater Energy Cost FAQ — McKinney, TX
Understanding Electric Tankless Water Heater 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 Electric Tankless Water Heater (18,000W) at McKinney's rate of 12.3¢/kWh costs approximately $811 per year — $43 less than the national average of $854.
Rates in McKinney are close to the national average, so the Electric Tankless Water Heater's annual cost of $811 is broadly representative of what most US households pay. Over the 20-year expected lifespan, total energy cost reaches $16,215.
McKinney's cost of living index of 94 is below the national average, and electricity costs reflect that affordability. The Electric Tankless Water Heater adds $67.56/month to a typical bill of $160. Upgrading to an ENERGY STAR Electric Tankless Water Heater can cut energy use by up to 24%, saving approximately $195 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 Electric Tankless Water Heater produces approximately 2.1 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 an Electric Tankless Water Heater in McKinney, TX?
At McKinney's average electricity rate of 12.3¢/kWh, an Electric Tankless Water Heater costs approximately $811 per year to run. That's about $67.56 per month with typical usage of 1 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 an Electric Tankless Water Heater use per year?
A Electric Tankless Water Heater uses approximately 18,000 watts and consumes about 6,570 kWh per year with typical usage of 1 hours/day for 365 days/year.
Is an Electric Tankless Water Heater expensive to run in McKinney?
Compared to the national average cost of $854/year, running an Electric Tankless Water Heater in McKinney costs $43 less per year due to lower local electricity rates.
How can I reduce my Electric Tankless Water Heater energy cost in McKinney?
To reduce Electric Tankless Water Heater costs in McKinney: Install point-of-use units for remote fixtures. Size properly for peak demand. Upgrading to an ENERGY STAR model saves up to 24% on energy costs. Also check with Oncor Electric Delivery for local energy efficiency rebates and programs.