Well Pump in Charleston — $107/yr to Run (14.6¢/kWh)
Your well pump in Charleston costs about $9/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
$0.29
2.0 kWh/day
Monthly Cost
$8.88
61 kWh/mo
Annual Cost
$107
730 kWh/yr
Lifetime (15yr)
$1,598
energy only
Monthly Cost Breakdown in Charleston
| Period | kWh | Charleston Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 2.0 | $0.29 | $0.26 | +$0.03 |
| Weekly | 14.0 | $2.04 | $1.82 | +$0.22 |
| Monthly | 60.8 | $8.88 | $7.91 | +$0.97 |
| Quarterly | 182.5 | $26.63 | $23.73 | +$2.90 |
| Annual | 730.0 | $106.51 | $94.90 | +$11.61 |
Customize Your Well Pump Cost
Adjust usage hours and electricity rate to calculate your exact cost in Charleston.
Daily
$0.29
Monthly
$8.88
Annual
$107
15-Year
$1,598
Energy Saving Tips for Well Pump in Charleston
- ✓Charleston electricity rates are 12% above the national average — energy efficiency matters more here.
- ✓A smart Well Pump with scheduling optimization can save ~$21/year at Charleston rates.
- ✓Fix leaks to reduce pump runtime
- ✓Use a pressure tank to minimize cycling
- ✓Insulate exposed pipes in winter
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
Well Pump Cost in Other South Carolina Cities
| City | Rate | Annual Cost | vs Charleston |
|---|---|---|---|
| Charleston (current) | 14.6¢ | $107 | — |
| Columbia | 13.4¢ | $98 | $-9 |
| North Charleston | 13.6¢ | $99 | $-7 |
| Mount Pleasant | 13.0¢ | $95 | $-12 |
| Rock Hill | 11.7¢ | $85 | $-21 |
| Greenville | 15.0¢ | $110 | +$3 |
| Summerville | 14.4¢ | $105 | $-1 |
Well Pump Energy Cost FAQ — Charleston, SC
Understanding Well 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 Well Pump (1,000W) at Charleston's rate of 14.6¢/kWh costs approximately $107 per year — $12 more than the national average of $95.
Charleston rates are 12% above the national average — a modest premium that adds $12 per year to Well Pump operating costs. Over the appliance's 15-year lifespan, that's $174 in cumulative extra spending versus the national average.
With a cost of living index of 97, Charleston is near the national median. The Well Pump's monthly cost of $8.88 represents a typical share of the average Charleston electric bill of $157/month. While no ENERGY STAR version is available, a smart Well Pump with automated scheduling can reduce consumption by 20%, saving $21/year.
Charleston's moderate climate (avg 66.2°F) helps keep seasonal energy cost swings manageable for most appliances. A Well Pump produces approximately 0.52 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 a Well Pump in Charleston, SC?
At Charleston's average electricity rate of 14.6¢/kWh, a Well Pump costs approximately $107 per year to run. That's about $8.88 per month with typical usage of 2 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 Well Pump use per year?
A Well Pump uses approximately 1,000 watts and consumes about 730 kWh per year with typical usage of 2 hours/day for 365 days/year.
Is a Well Pump expensive to run in Charleston?
Compared to the national average cost of $95/year, running a Well Pump in Charleston costs $12 more per year due to higher local electricity rates.
How can I reduce my Well Pump energy cost in Charleston?
To reduce Well Pump costs in Charleston: Fix leaks to reduce pump runtime. Use a pressure tank to minimize cycling. Consider using a smart plug to monitor and optimize usage. Also check with Duke Energy Carolinas for local energy efficiency rebates and programs.