Chest Freezer in Charleston — $128/yr to Run (14.6¢/kWh)
Your chest freezer in Charleston costs about $11/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
$0.35
2.4 kWh/day
Monthly Cost
$10.65
73 kWh/mo
Annual Cost
$128
876 kWh/yr
Lifetime (15yr)
$1,917
energy only
Monthly Cost Breakdown in Charleston
| Period | kWh | Charleston Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 2.4 | $0.35 | $0.31 | +$0.04 |
| Weekly | 16.8 | $2.45 | $2.18 | +$0.27 |
| Monthly | 73.0 | $10.65 | $9.49 | +$1.16 |
| Quarterly | 219.0 | $31.95 | $28.47 | +$3.48 |
| Annual | 876.0 | $127.81 | $113.88 | +$13.93 |
Customize Your Chest Freezer Cost
Adjust usage hours and electricity rate to calculate your exact cost in Charleston.
Daily
$0.35
Monthly
$10.65
Annual
$128
15-Year
$1,917
Energy Saving Tips for Chest Freezer in Charleston
- ✓Charleston electricity rates are 12% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Chest Freezer in Charleston saves ~$13/year compared to standard models.
- ✓Keep it at least 75% full
- ✓Set to 0F
- ✓Defrost when ice exceeds 1/4 inch
ENERGY STAR Savings: Upgrading to an ENERGY STAR Chest Freezer in Charleston saves approximately $13/year at local rates — $192 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
Chest Freezer Cost in Other South Carolina Cities
| City | Rate | Annual Cost | vs Charleston |
|---|---|---|---|
| Charleston (current) | 14.6¢ | $128 | — |
| Columbia | 13.4¢ | $118 | $-10 |
| North Charleston | 13.6¢ | $119 | $-9 |
| Mount Pleasant | 13.0¢ | $114 | $-14 |
| Rock Hill | 11.7¢ | $102 | $-26 |
| Greenville | 15.0¢ | $132 | +$4 |
| Summerville | 14.4¢ | $127 | $-1 |
Chest Freezer Energy Cost FAQ — Charleston, SC
Understanding Chest Freezer 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 low-draw appliance like the Chest Freezer (100W) at Charleston's rate of 14.6¢/kWh costs approximately $128 per year — $14 more than the national average of $114.
Charleston rates are 12% above the national average — a modest premium that adds $14 per year to Chest Freezer operating costs. Over the appliance's 15-year lifespan, that's $209 in cumulative extra spending versus the national average.
With a cost of living index of 97, Charleston is near the national median. The Chest Freezer's monthly cost of $10.65 represents a typical share of the average Charleston electric bill of $157/month. Upgrading to an ENERGY STAR Chest Freezer can cut energy use by up to 10%, saving approximately $13 per year at Charleston rates.
Charleston's moderate climate (avg 66.2°F) helps keep seasonal energy cost swings manageable for most appliances. A Chest Freezer produces approximately 0.29 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 Chest Freezer in Charleston, SC?
At Charleston's average electricity rate of 14.6¢/kWh, a Chest Freezer costs approximately $128 per year to run. That's about $10.65 per month with typical usage of 24 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 Chest Freezer use per year?
A Chest Freezer uses approximately 100 watts and consumes about 876 kWh per year with typical usage of 24 hours/day for 365 days/year.
Is a Chest Freezer expensive to run in Charleston?
Compared to the national average cost of $114/year, running a Chest Freezer in Charleston costs $14 more per year due to higher local electricity rates.
How can I reduce my Chest Freezer energy cost in Charleston?
To reduce Chest Freezer costs in Charleston: Keep it at least 75% full. Set to 0F. Upgrading to an ENERGY STAR model saves up to 10% on energy costs. Also check with Duke Energy Carolinas for local energy efficiency rebates and programs.