Window AC Electricity Calculator in South Carolina

Use this appliance electricity calculator to estimate window ac operating cost in South Carolina using typical wattage and runtime assumptions tied to the statewide residential electricity rate.

South Carolina average rate
16.45 ¢/kWh
Assumed wattage
900 W
Typical usage pattern
8 hours/day
Typical monthly cost
$35.53
Typical yearly cost
$432.31

Key metrics

MetricValue
South Carolina average rate16.45 ¢/kWh
Assumed wattage900 W
Typical usage pattern8 hours/day
Typical monthly cost$35.53
Typical yearly cost$432.31

Window AC in South Carolina vs U.S. benchmark

South Carolina monthly estimate
$35.53
U.S. monthly estimate
$41.13
Difference
-$5.59
State rate
16.45 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 500-1,500 W, with a standard working assumption of 900 watts for 8 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 216.0 kWh per month and 2628.0 kWh per year in the model.

Appliance calculator scenarios

ScenarioHours/dayAnnual energySouth Carolina monthlyU.S. monthlySouth Carolina yearly
Light usage4 hours/day1314.0 kWh$17.77$20.56$216.15
Typical usage8 hours/day2628.0 kWh$35.53$41.13$432.31
Heavy usage12 hours/day3942.0 kWh$53.30$61.69$648.46

Appliance cost reference page

The dedicated appliance page below uses the same statewide rate and wattage assumptions in a longer-form layout. This calculator stays focused on quick hour-profile comparisons.

More comparison links

Browse related comparisons from the energy comparison hub without leaving the calculator context.

Compare options

Compare electricity options in South Carolina

Explore savings options, plan types, and provider offers for South Carolina.

View offers in South Carolina · South Carolina calculator

Stay informed

Track South Carolina electricity changes

Get notified about 216 kWh rate changes and savings opportunities in South Carolina.

Join the newsletter · South Carolina alerts

Other appliance calculators in South Carolina

State cost and bill pathways for South Carolina

Historical and trend pages

Fixed-usage and calculator pathways

Appliance and estimator pathways

State comparison pathways for South Carolina

Discovery and navigation hubs

Consumer electricity drivers

Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: March 2026. Estimates are energy-only and exclude delivery charges, taxes, and fixed utility fees. For how rates and estimates are defined, see the methodology hub.

Disclaimers

Manifest: 4ad1ab19fe08…
View release.json·View capabilities.json