Tankless Water Heater (Electric) in Tacoma — $348/yr to Run (10.6¢/kWh)
Your tankless water heater (electric) in Tacoma costs about $29/month at 10.6¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Tacoma, WA Electricity Rate
10.6¢/kWh
Utility: Tacoma Public Utilities
-18% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.95
9.0 kWh/day
Monthly Cost
$29.02
274 kWh/mo
Annual Cost
$348
3,285 kWh/yr
Lifetime (20yr)
$6,964
energy only
Monthly Cost Breakdown in Tacoma
| Period | kWh | Tacoma Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $0.95 | $1.17 | $-0.22 |
| Weekly | 63.0 | $6.68 | $8.19 | $-1.51 |
| Monthly | 273.8 | $29.02 | $35.59 | $-6.57 |
| Quarterly | 821.3 | $87.05 | $106.76 | $-19.71 |
| Annual | 3285.0 | $348.21 | $427.05 | $-78.84 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Tacoma.
Daily
$0.95
Monthly
$29.02
Annual
$348
20-Year
$6,964
Energy Saving Tips for Tankless Water Heater (Electric) in Tacoma
- ✓Tacoma has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Tacoma saves ~$70/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$52/year at Tacoma 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 Tacoma saves approximately $70/year at local rates — $1,393 over the appliance lifetime.
Highest-Cost Appliances in Tacoma, WA
See which appliances cost the most to run at Tacoma's 10.6¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,374/yr
$114.48/mo
Electric Furnace
HVAC · 10,000W
$954/yr
$79.50/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$696/yr
$58.03/mo
EV Charger (Level 2)
Garage · 7,200W
$687/yr
$57.24/mo
Boiler (Electric)
HVAC · 6,000W
$572/yr
$47.70/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$522/yr
$43.53/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$522/yr
$43.53/mo
Heat Pump
HVAC · 2,400W
$407/yr
$33.92/mo
Tankless Water Heater (Electric) Cost in Other Washington Cities
Tankless Water Heater (Electric) Energy Cost FAQ — Tacoma, WA
Understanding Tankless Water Heater (Electric) Energy Costs in Tacoma, WA
Tacoma is a mid-sized Washington city where residential electricity rates from Tacoma Public Utilities are shaped by regional energy supply and local demand patterns. Running a high-draw appliance like the Tankless Water Heater (Electric) (18,000W) at Tacoma's rate of 10.6¢/kWh costs approximately $348 per year — $79 less than the national average of $427.
Rates in Tacoma are close to the national average, so the Tankless Water Heater (Electric)'s annual cost of $348 is broadly representative of what most US households pay. Over the 20-year expected lifespan, total energy cost reaches $6,964.
With a cost of living index of 108, Tacoma is near the national median. The Tankless Water Heater (Electric)'s monthly cost of $29.02 represents a typical share of the average Tacoma electric bill of $123/month. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $70 per year at Tacoma rates.
Tacoma's moderate climate (avg 44.7°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. Tacoma 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 Tacoma.
Compare All Energy Costs in Tacoma
See energy costs for 168+ household appliances at Tacoma's local electricity rate.