Electric Tankless Water Heater in Renton — $574/yr to Run (8.7¢/kWh)
Your electric tankless water heater in Renton costs about $48/month at 8.7¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Renton, WA Electricity Rate
8.7¢/kWh
Utility: Puget Sound Energy
-33% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.57
18.0 kWh/day
Monthly Cost
$47.85
548 kWh/mo
Annual Cost
$574
6,570 kWh/yr
Lifetime (20yr)
$11,484
energy only
Monthly Cost Breakdown in Renton
| Period | kWh | Renton Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 18.0 | $1.57 | $2.34 | $-0.77 |
| Weekly | 126.0 | $11.01 | $16.38 | $-5.37 |
| Monthly | 547.5 | $47.85 | $71.17 | $-23.32 |
| Quarterly | 1642.5 | $143.55 | $213.53 | $-69.97 |
| Annual | 6570.0 | $574.22 | $854.10 | $-279.88 |
Customize Your Electric Tankless Water Heater Cost
Adjust usage hours and electricity rate to calculate your exact cost in Renton.
Daily
$1.57
Monthly
$47.85
Annual
$574
20-Year
$11,484
Energy Saving Tips for Electric Tankless Water Heater in Renton
- ✓Renton has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Electric Tankless Water Heater in Renton saves ~$138/year compared to standard models.
- ✓A smart Electric Tankless Water Heater with scheduling optimization can save ~$86/year at Renton 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 Renton saves approximately $138/year at local rates — $2,756 over the appliance lifetime.
Highest-Cost Appliances in Renton, WA
See which appliances cost the most to run at Renton's 8.7¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,133/yr
$94.39/mo
Electric Furnace
HVAC · 10,000W
$787/yr
$65.55/mo
EV Charger (Level 2)
Garage · 7,200W
$566/yr
$47.20/mo
Boiler (Electric)
HVAC · 6,000W
$472/yr
$39.33/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$431/yr
$35.89/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$431/yr
$35.89/mo
Heat Pump
HVAC · 2,400W
$336/yr
$27.97/mo
Hot Tub / Spa
Pool & Spa · 3,000W
$315/yr
$26.22/mo
Electric Tankless Water Heater Cost in Other Washington Cities
Electric Tankless Water Heater Energy Cost FAQ — Renton, WA
Understanding Electric Tankless Water Heater Energy Costs in Renton, WA
Renton is a mid-sized Washington city where residential electricity rates from Puget Sound Energy are shaped by regional energy supply and local demand patterns. Running a high-draw appliance like the Electric Tankless Water Heater (18,000W) at Renton's rate of 8.7¢/kWh costs approximately $574 per year — $280 less than the national average of $854.
Renton residents enjoy electricity rates 33% below the national average, saving $280 per year on Electric Tankless Water Heater costs alone. Over 20 years, that's $5,598 in savings — though energy efficiency is still worth pursuing to reduce both costs and carbon output.
Renton has a high cost of living (index: 122.5), 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 Electric Tankless Water Heater can cut energy use by up to 24%, saving approximately $138 per year at Renton rates.
Renton's moderate climate (avg 47°F) helps keep seasonal energy cost swings manageable for most appliances. A Electric Tankless Water Heater produces approximately 2.1 tons of CO2 annually at typical usage. Renton 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 Renton.
Compare All Energy Costs in Renton
See energy costs for 168+ household appliances at Renton's local electricity rate.