WattSpec Logo WattSpec
Texas (TX) Residential Power Analysis

How Much Does It Cost to Run a Tankless Electric Water Heater (18kW Whole Home) in Texas?

In Texas, running a Tankless Electric Water Heater (18kW Whole Home) (18000W) costs an estimated $3.96 per day or $120.31 per month, based on the current average residential electricity rate of 14.65¢ per kWh.

Advertisement • Leaderboard (728x90)
Hourly Cost $2.637 Per operating hour
Daily Cost $3.96 Based on 1.5h/day usage
Monthly Cost $120.31 ~821.2 kWh per month
Annual Cost $1443.76 Total yearly electric impact

How Texas's Rates Compare to the U.S. National Average

The average residential electricity rate in Texas is 14.65¢/kWh, which is 8.4% lower than the national benchmark of 16.0¢/kWh.

In Texas $120.31 / month
U.S. National Average $131.40 / month

Texas residents enjoy competitive electricity rates compared to the rest of the nation, keeping the operating costs of high-draw appliances relatively affordable.

Interactive Tool v2

Tankless Electric Water Heater (18kW Whole Home) Power & Outage Calculator

Hourly $0.00
Daily $0.00
Monthly $0.00
Yearly $0.00
View All Technical Specs for Tankless Electric Water Heater (18kW Whole Home) → Generator Sizing Guide for Tankless Electric Water Heater (18kW Whole Home) →