EV Charger (Level 1, 120V) in San Antonio — $467/yr to Run (13.5¢/kWh)
Your ev charger (level 1, 120v) in San Antonio costs about $39/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
$1.56
11.5 kWh/day
Monthly Cost
$38.88
288 kWh/mo
Annual Cost
$467
3,456 kWh/yr
Lifetime (15yr)
$6,998
energy only
Monthly Cost Breakdown in San Antonio
| Period | kWh | San Antonio Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 11.5 | $1.56 | $1.50 | +$0.06 |
| Weekly | 80.6 | $10.89 | $10.48 | +$0.40 |
| Monthly | 288.0 | $38.88 | $37.44 | +$1.44 |
| Quarterly | 864.0 | $116.64 | $112.32 | +$4.32 |
| Annual | 3456.0 | $466.56 | $449.28 | +$17.28 |
Customize Your EV Charger (Level 1, 120V) Cost
Adjust usage hours and electricity rate to calculate your exact cost in San Antonio.
Daily
$1.56
Monthly
$38.88
Annual
$467
15-Year
$6,998
Energy Saving Tips for EV Charger (Level 1, 120V) in San Antonio
- ✓San Antonio electricity rates are 4% above the national average — energy efficiency matters more here.
- ✓Good for PHEVs and short commutes
- ✓Charge overnight for convenience
- ✓Consider Level 2 for faster charging
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
Water Heater (Tank Electric)
Water Heating · 4,500W
$665/yr
$55.43/mo
Heat Pump
HVAC · 2,400W
$518/yr
$43.20/mo
EV Charger (Level 1, 120V) Cost in Other Texas Cities
| City | Rate | Annual Cost | vs San Antonio |
|---|---|---|---|
| San Antonio (current) | 13.5¢ | $467 | — |
| Houston | 12.6¢ | $434 | $-32 |
| Dallas | 14.0¢ | $483 | +$17 |
| Austin | 14.3¢ | $495 | +$28 |
| Fort Worth | 14.3¢ | $494 | +$27 |
| El Paso | 14.2¢ | $491 | +$25 |
| Arlington | 12.4¢ | $430 | $-37 |
| Corpus Christi | 15.0¢ | $519 | +$53 |
| Plano | 12.0¢ | $415 | $-51 |
Methodology & Energy Data Sources for San Antonio
How we calculate ev charger (level 1, 120v) energy costs in San Antonio, TX: Cost estimates use the standard formula: Annual Cost = (Wattage ÷ 1000) × Hours per Day × Days per Year × Local kWh Rate. We model regional electricity rate variation using EIA monthly data, which captures rate differences between investor-owned utilities, municipal providers, and rural electric cooperatives.
- Appliance wattage sourced from ENERGY STAR product database, manufacturer spec sheets, and DOE residential appliance test data.
- Local kWh rate for San Antonio reflects Texas averages from EIA Form 861 (utility sales data). Rates vary by season (typically 10-20% summer premium) and time-of-use in many Texas utilities.
- Usage patterns derived from RECS (Residential Energy Consumption Survey), EIA's official survey of US household energy use.
- Carbon footprint calculated using EPA eGRID emissions factors specific to your regional grid mix in Texas.
Authoritative US energy data sources:
- EIA Electric Power Monthly — official US electricity rate data by state
- EIA Residential Energy Consumption Survey (RECS) — household appliance usage patterns
- ENERGY STAR Product Finder — efficiency ratings for ev charger (level 1, 120v)s
- DOE Energy Saver — Electricity — official tips and appliance comparison
- EPA eGRID — Regional Emissions — carbon intensity by grid region
- EIA State Energy Profiles — Texas — generation mix, prices, and consumption
Disclaimer: Energy costs are estimates based on average appliance usage and Texas state-level kWh rates. Your actual costs depend on your specific utility provider, rate plan (flat, time-of-use, demand), local fees, taxes, and renewable energy credits. Check your utility bill for exact rates. For energy efficiency upgrades, consult your local utility's rebate programs and federal tax credits via ENERGY STAR Federal Tax Credits.
Reviewed by Brazora Monk · Last updated 2026 · EIA data current as of latest monthly release
Find Your Utility, Rate Plan & Incentives in San Antonio
The Texas state-average kWh rate shown above is a baseline — your actual cost depends on your specific utility provider, rate plan, and time-of-use schedule. Plus you may be missing rebates that pay for ENERGY STAR replacements:
Each utility has its own rate plans (flat, TOU, demand):
- • EIA — Find Your Utility (by ZIP)
- • EIA Texas State Profile
- • Time-of-use can save 20-40% if you shift heavy use to off-peak
Inflation Reduction Act provides ongoing credits:
- • ENERGY STAR Federal Tax Credits
- • 30% on solar/battery storage through 2032
- • Up to $2,000 heat pump credit annually
- • DOE — Federal Rebate Programs
State + utility-specific rebates stack with federal:
- • DSIRE — Texas Incentive Database
- • DOE State Energy Program
- • Many utilities offer $50-500 rebates on ENERGY STAR appliances
Replace efficient = save 25-50% kWh:
NABCEP-certified installers for solar/battery: NABCEP Certified Professionals Directory. Required for many state incentives.
EV Charger (Level 1, 120V) Energy Cost FAQ — San Antonio, TX
Understanding EV Charger (Level 1, 120V) 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 moderate-draw appliance like the EV Charger (Level 1, 120V) (1,440W) at San Antonio's rate of 13.5¢/kWh costs approximately $467 per year — $17 more than the national average of $449.
San Antonio rates are 4% above the national average — a modest premium that adds $17 per year to EV Charger (Level 1, 120V) operating costs. Over the appliance's 15-year lifespan, that's $259 in cumulative extra spending versus the national average.
With a cost of living index of 99, San Antonio is near the national median. The EV Charger (Level 1, 120V)'s monthly cost of $38.88 represents a typical share of the average San Antonio electric bill of $129/month. Since no ENERGY STAR or smart version is currently available for this appliance, reducing usage hours is the primary way to cut costs.
San Antonio's moderate climate (avg 59.5°F) helps keep seasonal energy cost swings manageable for most appliances. A EV Charger (Level 1, 120V) produces approximately 2.47 tons of CO2 annually at typical usage. San Antonio residents can reduce this footprint by 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 178+ household appliances at San Antonio's local electricity rate.
Frequently Asked Questions
How much does it cost to run an EV Charger (Level 1, 120V) in San Antonio, TX?
At San Antonio's average electricity rate of 13.5¢/kWh, an EV Charger (Level 1, 120V) costs approximately $467 per year to run. That's about $38.88 per month with typical usage of 8 hours per day.
What is the electricity rate in San Antonio, TX?
The average residential electricity rate in San Antonio, TX is 13.5¢/kWh, which is 4% above the national average of 13.0¢/kWh. The primary utility provider is CPS Energy.
How much electricity does an EV Charger (Level 1, 120V) use per year?
A EV Charger (Level 1, 120V) uses approximately 1,440 watts and consumes about 3,456 kWh per year with typical usage of 8 hours/day for 300 days/year.
Is an EV Charger (Level 1, 120V) expensive to run in San Antonio?
Compared to the national average cost of $449/year, running an EV Charger (Level 1, 120V) in San Antonio costs $17 more per year due to higher local electricity rates.
How can I reduce my EV Charger (Level 1, 120V) energy cost in San Antonio?
To reduce EV Charger (Level 1, 120V) costs in San Antonio: Good for PHEVs and short commutes. Charge overnight for convenience. Consider using a smart plug to monitor and optimize usage. Also check with CPS Energy for local energy efficiency rebates and programs.