EV Charger (Level 1, 120V) in Charleston — $504/yr to Run (14.6¢/kWh)
Your ev charger (level 1, 120v) in Charleston costs about $42/month at 14.6¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Charleston, SC Electricity Rate
14.6¢/kWh
Utility: Duke Energy Carolinas
+12% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.68
11.5 kWh/day
Monthly Cost
$42.02
288 kWh/mo
Annual Cost
$504
3,456 kWh/yr
Lifetime (15yr)
$7,563
energy only
Monthly Cost Breakdown in Charleston
| Period | kWh | Charleston Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 11.5 | $1.68 | $1.50 | +$0.18 |
| Weekly | 80.6 | $11.77 | $10.48 | +$1.28 |
| Monthly | 288.0 | $42.02 | $37.44 | +$4.58 |
| Quarterly | 864.0 | $126.06 | $112.32 | +$13.74 |
| Annual | 3456.0 | $504.23 | $449.28 | +$54.95 |
Customize Your EV Charger (Level 1, 120V) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Charleston.
Daily
$1.68
Monthly
$42.02
Annual
$504
15-Year
$7,563
Energy Saving Tips for EV Charger (Level 1, 120V) in Charleston
- ✓Charleston electricity rates are 12% 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 Charleston, SC
See which appliances cost the most to run at Charleston's 14.6¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,891/yr
$157.57/mo
Electric Furnace
HVAC · 10,000W
$1,313/yr
$109.42/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$959/yr
$79.88/mo
EV Charger (Level 2)
Garage · 7,200W
$945/yr
$78.79/mo
Boiler (Electric)
HVAC · 6,000W
$788/yr
$65.66/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$719/yr
$59.91/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$719/yr
$59.91/mo
Heat Pump
HVAC · 2,400W
$560/yr
$46.69/mo
EV Charger (Level 1, 120V) Cost in Other South Carolina Cities
| City | Rate | Annual Cost | vs Charleston |
|---|---|---|---|
| Charleston (current) | 14.6¢ | $504 | — |
| Columbia | 13.4¢ | $464 | $-40 |
| North Charleston | 13.6¢ | $470 | $-35 |
| Mount Pleasant | 13.0¢ | $449 | $-55 |
| Rock Hill | 11.7¢ | $403 | $-102 |
| Greenville | 15.0¢ | $520 | +$16 |
| Summerville | 14.4¢ | $499 | $-5 |
EV Charger (Level 1, 120V) Energy Cost FAQ — Charleston, SC
Understanding EV Charger (Level 1, 120V) Energy Costs in Charleston, SC
Charleston is a mid-sized South Carolina city where residential electricity rates from Duke Energy Carolinas are shaped by regional energy supply and local demand patterns. Running a moderate-draw appliance like the EV Charger (Level 1, 120V) (1,440W) at Charleston's rate of 14.6¢/kWh costs approximately $504 per year — $55 more than the national average of $449.
Charleston rates are 12% above the national average — a modest premium that adds $55 per year to EV Charger (Level 1, 120V) operating costs. Over the appliance's 15-year lifespan, that's $824 in cumulative extra spending versus the national average.
With a cost of living index of 97, Charleston is near the national median. The EV Charger (Level 1, 120V)'s monthly cost of $42.02 represents a typical share of the average Charleston electric bill of $157/month. Since no ENERGY STAR or smart version is currently available for this appliance, reducing usage hours is the primary way to cut costs.
Charleston's moderate climate (avg 66.2°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. Charleston residents can reduce this footprint by optimizing usage patterns, or investing in solar — see our solar savings calculator for Charleston.
Compare All Energy Costs in Charleston
See energy costs for 178+ household appliances at Charleston's local electricity rate.
Frequently Asked Questions
How much does it cost to run an EV Charger (Level 1, 120V) in Charleston, SC?
At Charleston's average electricity rate of 14.6¢/kWh, an EV Charger (Level 1, 120V) costs approximately $504 per year to run. That's about $42.02 per month with typical usage of 8 hours per day.
What is the electricity rate in Charleston, SC?
The average residential electricity rate in Charleston, SC is 14.6¢/kWh, which is 12% above the national average of 13.0¢/kWh. The primary utility provider is Duke Energy Carolinas.
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 Charleston?
Compared to the national average cost of $449/year, running an EV Charger (Level 1, 120V) in Charleston costs $55 more per year due to higher local electricity rates.
How can I reduce my EV Charger (Level 1, 120V) energy cost in Charleston?
To reduce EV Charger (Level 1, 120V) costs in Charleston: Good for PHEVs and short commutes. Charge overnight for convenience. Consider using a smart plug to monitor and optimize usage. Also check with Duke Energy Carolinas for local energy efficiency rebates and programs.