Central AC Electricity Calculator in South Dakota

A central ac in South Dakota costs about $121.97 a month ($1483.94 a year) to run at the state's average rate of 14.52 ¢/kWh. Use this calculator to compare light, typical, and heavy use.

South Dakota average rate
14.52 ¢/kWh
Assumed wattage
3,500 W
Typical usage pattern
8 hours/day
Typical monthly cost
$121.97
Typical yearly cost
$1483.94

Key metrics

MetricValue
South Dakota average rate14.52 ¢/kWh
Assumed wattage3,500 W
Typical usage pattern8 hours/day
Typical monthly cost$121.97
Typical yearly cost$1483.94

Central AC in South Dakota vs U.S. benchmark

South Dakota monthly estimate
$121.97
U.S. monthly estimate
$162.29
Difference
-$40.32
State rate
14.52 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 2,000-5,000 W, and we assume 3,500 watts for 8 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 840.0 kWh per month and 10220.0 kWh per year.

Appliance calculator scenarios

ScenarioHours/dayAnnual energySouth Dakota monthlyU.S. monthlySouth Dakota yearly
Light usage4 hours/day5110.0 kWh$60.98$81.14$741.97
Typical usage8 hours/day10220.0 kWh$121.97$162.29$1483.94
Heavy usage12 hours/day15330.0 kWh$182.95$243.43$2225.92

Appliance cost reference page

Want the full write-up? The appliance page below uses the same rate and wattage assumptions:

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: April 2026. Estimates use the EIA average all-in residential rate (delivery included); they don't add separately billed taxes, fixed charges, or other utility fees, which vary by utility. For how rates and estimates are defined, see the methodology hub.

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