Variable-Speed Pool Pump in Charleston — $168/yr to Run (14.6¢/kWh)
Your variable-speed pool pump in Charleston costs about $14/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
$0.93
6.4 kWh/day
Monthly Cost
$14.01
96 kWh/mo
Annual Cost
$168
1,152 kWh/yr
Lifetime (12yr)
$2,017
energy only
Monthly Cost Breakdown in Charleston
| Period | kWh | Charleston Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 6.4 | $0.93 | $0.83 | +$0.10 |
| Weekly | 44.8 | $6.54 | $5.82 | +$0.71 |
| Monthly | 96.0 | $14.01 | $12.48 | +$1.53 |
| Quarterly | 288.0 | $42.02 | $37.44 | +$4.58 |
| Annual | 1152.0 | $168.08 | $149.76 | +$18.32 |
Customize Your Variable-Speed Pool Pump Cost
Adjust usage hours and electricity rate to calculate your exact cost in Charleston.
Daily
$0.93
Monthly
$14.01
Annual
$168
12-Year
$2,017
Energy Saving Tips for Variable-Speed Pool Pump in Charleston
- ✓Charleston electricity rates are 12% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Variable-Speed Pool Pump in Charleston saves ~$34/year compared to standard models.
- ✓A smart Variable-Speed Pool Pump with scheduling optimization can save ~$42/year at Charleston rates.
- ✓Run at lowest effective speed
- ✓Program schedules for filtration needs
- ✓Pair with automation system
ENERGY STAR Savings: Upgrading to an ENERGY STAR Variable-Speed Pool Pump in Charleston saves approximately $34/year at local rates — $403 over the appliance lifetime.
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
Variable-Speed Pool Pump Cost in Other South Carolina Cities
| City | Rate | Annual Cost | vs Charleston |
|---|---|---|---|
| Charleston (current) | 14.6¢ | $168 | — |
| Columbia | 13.4¢ | $155 | $-13 |
| North Charleston | 13.6¢ | $157 | $-12 |
| Mount Pleasant | 13.0¢ | $150 | $-18 |
| Rock Hill | 11.7¢ | $134 | $-34 |
| Greenville | 15.0¢ | $173 | +$5 |
| Summerville | 14.4¢ | $166 | $-2 |
Variable-Speed Pool Pump Energy Cost FAQ — Charleston, SC
Understanding Variable-Speed Pool Pump 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 Variable-Speed Pool Pump (800W) at Charleston's rate of 14.6¢/kWh costs approximately $168 per year — $18 more than the national average of $150.
Charleston rates are 12% above the national average — a modest premium that adds $18 per year to Variable-Speed Pool Pump operating costs. Over the appliance's 12-year lifespan, that's $220 in cumulative extra spending versus the national average.
With a cost of living index of 97, Charleston is near the national median. The Variable-Speed Pool Pump's monthly cost of $14.01 represents a typical share of the average Charleston electric bill of $157/month. Upgrading to an ENERGY STAR Variable-Speed Pool Pump can cut energy use by up to 20%, saving approximately $34 per year at Charleston rates.
Charleston's moderate climate (avg 66.2°F) helps keep seasonal energy cost swings manageable for most appliances. A Variable-Speed Pool Pump produces approximately 0.82 tons of CO2 annually at typical usage. Charleston 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 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 a Variable-Speed Pool Pump in Charleston, SC?
At Charleston's average electricity rate of 14.6¢/kWh, a Variable-Speed Pool Pump costs approximately $168 per year to run. That's about $14.01 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 a Variable-Speed Pool Pump use per year?
A Variable-Speed Pool Pump uses approximately 800 watts and consumes about 1,152 kWh per year with typical usage of 8 hours/day for 180 days/year.
Is a Variable-Speed Pool Pump expensive to run in Charleston?
Compared to the national average cost of $150/year, running a Variable-Speed Pool Pump in Charleston costs $18 more per year due to higher local electricity rates.
How can I reduce my Variable-Speed Pool Pump energy cost in Charleston?
To reduce Variable-Speed Pool Pump costs in Charleston: Run at lowest effective speed. Program schedules for filtration needs. Upgrading to an ENERGY STAR model saves up to 20% on energy costs. Also check with Duke Energy Carolinas for local energy efficiency rebates and programs.