Tankless Water Heater (Electric) in Arlington — $451/yr to Run (13.7¢/kWh)
Your tankless water heater (electric) in Arlington costs about $38/month at 13.7¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Arlington, VA Electricity Rate
13.7¢/kWh
Utility: Dominion Energy
+6% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.24
9.0 kWh/day
Monthly Cost
$37.59
274 kWh/mo
Annual Cost
$451
3,285 kWh/yr
Lifetime (20yr)
$9,021
energy only
Monthly Cost Breakdown in Arlington
| Period | kWh | Arlington Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.24 | $1.17 | +$0.07 |
| Weekly | 63.0 | $8.65 | $8.19 | +$0.46 |
| Monthly | 273.8 | $37.59 | $35.59 | +$2.00 |
| Quarterly | 821.3 | $112.76 | $106.76 | +$6.00 |
| Annual | 3285.0 | $451.03 | $427.05 | +$23.98 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Arlington.
Daily
$1.24
Monthly
$37.59
Annual
$451
20-Year
$9,021
Energy Saving Tips for Tankless Water Heater (Electric) in Arlington
- ✓Arlington electricity rates are 6% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Arlington saves ~$90/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$68/year at Arlington 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 Arlington saves approximately $90/year at local rates — $1,804 over the appliance lifetime.
Highest-Cost Appliances in Arlington, VA
See which appliances cost the most to run at Arlington's 13.7¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,779/yr
$148.28/mo
Electric Furnace
HVAC · 10,000W
$1,236/yr
$102.98/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$902/yr
$75.17/mo
EV Charger (Level 2)
Garage · 7,200W
$890/yr
$74.14/mo
Boiler (Electric)
HVAC · 6,000W
$741/yr
$61.79/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$677/yr
$56.38/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$677/yr
$56.38/mo
Heat Pump
HVAC · 2,400W
$527/yr
$43.94/mo
Tankless Water Heater (Electric) Cost in Other Virginia Cities
| City | Rate | Annual Cost | vs Arlington |
|---|---|---|---|
| Arlington (current) | 13.7¢ | $451 | — |
| Virginia Beach | 15.2¢ | $499 | +$48 |
| Chesapeake | 13.1¢ | $431 | $-20 |
| Norfolk | 13.6¢ | $446 | $-5 |
| Richmond | 15.2¢ | $499 | +$48 |
| Newport News | 14.0¢ | $461 | +$10 |
| Alexandria | 12.8¢ | $420 | $-31 |
| Hampton | 13.7¢ | $451 | +$0 |
| Roanoke | 13.6¢ | $448 | $-3 |
Tankless Water Heater (Electric) Energy Cost FAQ — Arlington, VA
Understanding Tankless Water Heater (Electric) Energy Costs in Arlington, VA
Arlington is a mid-sized Virginia city where residential electricity rates from Dominion 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 Arlington's rate of 13.7¢/kWh costs approximately $451 per year — $24 more than the national average of $427.
Arlington rates are 6% above the national average — a modest premium that adds $24 per year to Tankless Water Heater (Electric) operating costs. Over the appliance's 20-year lifespan, that's $480 in cumulative extra spending versus the national average.
Arlington has a high cost of living (index: 142.5), which means electricity is just one of many above-average expenses. Reducing appliance energy costs — even by small amounts — contributes to meaningful household savings in this market. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $90 per year at Arlington rates.
Arlington's moderate climate (avg 56°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. Arlington 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 Arlington.
Compare All Energy Costs in Arlington
See energy costs for 178+ household appliances at Arlington's local electricity rate.
Frequently Asked Questions
How much does it cost to run a Tankless Water Heater (Electric) in Arlington, VA?
At Arlington's average electricity rate of 13.7¢/kWh, a Tankless Water Heater (Electric) costs approximately $451 per year to run. That's about $37.59 per month with typical usage of 0.5 hours per day.
What is the electricity rate in Arlington, VA?
The average residential electricity rate in Arlington, VA is 13.7¢/kWh, which is 6% above the national average of 13.0¢/kWh. The primary utility provider is Dominion Energy.
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 Arlington?
Compared to the national average cost of $427/year, running a Tankless Water Heater (Electric) in Arlington costs $24 more per year due to higher local electricity rates.
How can I reduce my Tankless Water Heater (Electric) energy cost in Arlington?
To reduce Tankless Water Heater (Electric) costs in Arlington: 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 Dominion Energy for local energy efficiency rebates and programs.