Tankless Water Heater (Electric) in Spokane — $338/yr to Run (10.3¢/kWh)
Your tankless water heater (electric) in Spokane costs about $28/month at 10.3¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Spokane, WA Electricity Rate
10.3¢/kWh
Utility: Avista Utilities
-21% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.93
9.0 kWh/day
Monthly Cost
$28.14
274 kWh/mo
Annual Cost
$338
3,285 kWh/yr
Lifetime (20yr)
$6,754
energy only
Monthly Cost Breakdown in Spokane
| Period | kWh | Spokane Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $0.93 | $1.17 | $-0.24 |
| Weekly | 63.0 | $6.48 | $8.19 | $-1.71 |
| Monthly | 273.8 | $28.14 | $35.59 | $-7.45 |
| Quarterly | 821.3 | $84.42 | $106.76 | $-22.34 |
| Annual | 3285.0 | $337.70 | $427.05 | $-89.35 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Spokane.
Daily
$0.93
Monthly
$28.14
Annual
$338
20-Year
$6,754
Energy Saving Tips for Tankless Water Heater (Electric) in Spokane
- ✓Spokane has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Spokane saves ~$68/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$51/year at Spokane 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 Spokane saves approximately $68/year at local rates — $1,351 over the appliance lifetime.
Highest-Cost Appliances in Spokane, WA
See which appliances cost the most to run at Spokane's 10.3¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,332/yr
$111.02/mo
Electric Furnace
HVAC · 10,000W
$925/yr
$77.10/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$675/yr
$56.28/mo
EV Charger (Level 2)
Garage · 7,200W
$666/yr
$55.51/mo
Boiler (Electric)
HVAC · 6,000W
$555/yr
$46.26/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$507/yr
$42.21/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$507/yr
$42.21/mo
Heat Pump
HVAC · 2,400W
$395/yr
$32.90/mo
Tankless Water Heater (Electric) Cost in Other Washington Cities
Tankless Water Heater (Electric) Energy Cost FAQ — Spokane, WA
Understanding Tankless Water Heater (Electric) Energy Costs in Spokane, WA
Spokane is a mid-sized Washington city where residential electricity rates from Avista 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 Spokane's rate of 10.3¢/kWh costs approximately $338 per year — $89 less than the national average of $427.
Spokane residents enjoy electricity rates 21% below the national average, saving $89 per year on Tankless Water Heater (Electric) costs alone. Over 20 years, that's $1,787 in savings — though energy efficiency is still worth pursuing to reduce both costs and carbon output.
With a cost of living index of 107, Spokane is near the national median. The Tankless Water Heater (Electric)'s monthly cost of $28.14 represents a typical share of the average Spokane electric bill of $122/month. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $68 per year at Spokane rates.
Spokane's moderate climate (avg 50.6°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. Spokane 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 Spokane.
Compare All Energy Costs in Spokane
See energy costs for 168+ household appliances at Spokane's local electricity rate.