Water Heater (Tank Electric) in San Antonio — $665/yr to Run (13.5¢/kWh)
Your water heater (tank electric) in San Antonio costs about $55/month at 13.5¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
San Antonio, TX Electricity Rate
13.5¢/kWh
Utility: CPS Energy
+4% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.82
13.5 kWh/day
Monthly Cost
$55.43
411 kWh/mo
Annual Cost
$665
4,928 kWh/yr
Lifetime (12yr)
$7,983
energy only
Monthly Cost Breakdown in San Antonio
| Period | kWh | San Antonio Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 13.5 | $1.82 | $1.76 | +$0.07 |
| Weekly | 94.5 | $12.76 | $12.29 | +$0.47 |
| Monthly | 410.6 | $55.43 | $53.38 | +$2.05 |
| Quarterly | 1231.9 | $166.30 | $160.14 | +$6.16 |
| Annual | 4927.5 | $665.21 | $640.58 | +$24.64 |
Customize Your Water Heater (Tank Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in San Antonio.
Daily
$1.82
Monthly
$55.43
Annual
$665
12-Year
$7,983
Energy Saving Tips for Water Heater (Tank Electric) in San Antonio
- ✓San Antonio electricity rates are 4% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Water Heater (Tank Electric) in San Antonio saves ~$NaN/year compared to standard models.
- ✓A smart Water Heater (Tank Electric) with scheduling optimization can save ~$33/year at San Antonio rates.
- ✓Lower temperature to 120F
- ✓Insulate tank with blanket
- ✓Drain sediment twice yearly
ENERGY STAR Savings: Upgrading to an ENERGY STAR Water Heater (Tank Electric) in San Antonio saves approximately $NaN/year at local rates — $NaN over the appliance lifetime.
Highest-Cost Appliances in San Antonio, TX
See which appliances cost the most to run at San Antonio's 13.5¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,750/yr
$145.80/mo
Electric Furnace
HVAC · 10,000W
$1,215/yr
$101.25/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$887/yr
$73.91/mo
EV Charger (Level 2)
Garage · 7,200W
$875/yr
$72.90/mo
Boiler (Electric)
HVAC · 6,000W
$729/yr
$60.75/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$665/yr
$55.43/mo
Heat Pump
HVAC · 2,400W
$518/yr
$43.20/mo
Hot Tub / Spa
Pool & Spa · 3,000W
$486/yr
$40.50/mo
Water Heater (Tank Electric) Cost in Other Texas Cities
| City | Rate | Annual Cost | vs San Antonio |
|---|---|---|---|
| San Antonio (current) | 13.5¢ | $665 | — |
| Houston | 12.6¢ | $619 | $-46 |
| Dallas | 14.0¢ | $689 | +$24 |
| Austin | 14.3¢ | $706 | +$40 |
| Fort Worth | 14.3¢ | $704 | +$38 |
| El Paso | 14.2¢ | $701 | +$35 |
| Arlington | 12.4¢ | $612 | $-53 |
| Corpus Christi | 15.0¢ | $740 | +$75 |
| Plano | 12.0¢ | $592 | $-73 |
Water Heater (Tank Electric) Energy Cost FAQ — San Antonio, TX
Understanding Water Heater (Tank Electric) Energy Costs in San Antonio, TX
In a major metro like San Antonio, electricity demand is high and rates reflect the cost of maintaining infrastructure for 1.5 million residents. Running a high-draw appliance like the Water Heater (Tank Electric) (4,500W) at San Antonio's rate of 13.5¢/kWh costs approximately $665 per year — $25 more than the national average of $641.
San Antonio rates are 4% above the national average — a modest premium that adds $25 per year to Water Heater (Tank Electric) operating costs. Over the appliance's 12-year lifespan, that's $296 in cumulative extra spending versus the national average.
With a cost of living index of 99, San Antonio is near the national median. The Water Heater (Tank Electric)'s monthly cost of $55.43 represents a typical share of the average San Antonio electric bill of $129/month. Upgrading to an ENERGY STAR Water Heater (Tank Electric) can cut energy use by up to undefined%, saving approximately $NaN per year at San Antonio rates.
San Antonio's moderate climate (avg 59.5°F) helps keep seasonal energy cost swings manageable for most appliances. A Water Heater (Tank Electric) produces approximately 3.5 tons of CO2 annually at typical usage. San Antonio 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 San Antonio.
Compare All Energy Costs in San Antonio
See energy costs for 168+ household appliances at San Antonio's local electricity rate.