What Does It Cost to Run a Window AC in South Dakota?
This page estimates the energy-only cost to run a window ac in South Dakota using a standard window air conditioner, an average load of 900 watts, and a typical runtime of 8 hours/day.
Key metrics
| Metric | Value |
|---|---|
| Average wattage assumption | 900 W |
| Typical usage assumption | 8 hours/day |
| Estimated monthly electricity use | 216.0 kWh |
| Estimated monthly cost | $28.60 |
| Estimated yearly cost | $347.95 |
Window AC cost vs U.S. average
At the statewide average residential rate, running a window ac in South Dakota costs less per month by $10.80 than the same usage pattern priced at the current U.S. average electricity rate.
How much electricity does a window ac use?
This estimate uses a typical wattage range of 500-1,500 W and a modeling assumption of 900 watts for 8 hours/day. Using the formula kWh = (watts × hours) / 1000, that works out to 7.20 kWh per day, 216.0 kWh per 30-day month, and 2628.0 kWh per year.
Window AC units cycle based on thermostat demand, so real-world daily cost depends heavily on weather and setpoint. In South Dakota, that energy is priced using the statewide residential average of 13.24 ¢/kWh, with a national benchmark of 18.24 ¢/kWh for comparison.
Window AC operating cost estimate in South Dakota
| Time period | Energy use | Cost |
|---|---|---|
| Per hour | 0.90 kWh | $0.12 |
| Per day | 7.20 kWh | $0.95 |
| Per month | 216.0 kWh | $28.60 |
| Per year | 2628.0 kWh | $347.95 |
These estimates isolate electricity usage only. Real utility bills can be higher because delivery charges, taxes, seasonal pricing, and fixed monthly fees are not included in this appliance model.
What changes the cost the most?
The biggest cost drivers for a window ac are the local electricity rate and real-world usage intensity. For this appliance, the main swing factors are BTU size, climate, thermostat setting.
If your usage is lighter or heavier than the assumption on this page, the linked state calculator and usage-cost pages below are the fastest way to model a custom scenario with the same state electricity rate.
For calculator-style comparisons, use the Window AC calculator in South Dakota to compare light, typical, and heavy usage profiles.
Comparison entry points
The energy comparison hub links appliance, state, and usage pages so you can browse related comparisons from one place. The main appliance cost reference for this state remains this page.
Related appliance cost pages for South Dakota
- Space Heater cost in South Dakota — Typical 750-1,500 W estimate with state-specific pricing
- Portable AC cost in South Dakota — Typical 700-1,400 W estimate with state-specific pricing
- Central AC cost in South Dakota — Typical 2,000-5,000 W estimate with state-specific pricing
- Air Purifier cost in South Dakota — Typical 25-100 W estimate with state-specific pricing
State cost and bill pathways for South Dakota
- Average power price in South Dakota — Residential rate benchmark used in scenario estimates
- South Dakota electricity overview — Core authority page with statewide pricing context
- Electricity cost in South Dakota — State-level cost, affordability, and value overview
- South Dakota monthly electricity bill estimate — Bill-focused context for household usage
- Electric bill estimator scenarios in South Dakota — Household profile bill scenarios with fixed monthly kWh assumptions
- South Dakota data profile — Machine-readable state profile and metrics
Historical and trend pages
- Historical electricity prices in South Dakota — Historical context and trend interpretation
- Electricity inflation in South Dakota — State electricity inflation analysis
- South Dakota electricity price volatility — Volatility and rate movement profile
Fixed-usage and calculator pathways
- 500 kWh cost in South Dakota — Usage-tier estimate for the same state
- 1,000 kWh cost in South Dakota — Usage-tier estimate for the same state
- Electricity cost for 1,500 kWh in South Dakota — Usage-tier estimate for the same state
- Custom usage calculator for South Dakota — Custom kWh and scenario cost calculation
Appliance and estimator pathways
- Refrigerator cost in South Dakota — Appliance operating-cost page for this state
- Refrigerator calculator in South Dakota — Calculator page for adjusting wattage and usage for this appliance
- Space Heater cost in South Dakota — Appliance operating-cost page for this state
- Space Heater calculator in South Dakota — Calculator page for adjusting wattage and usage for this appliance
- Window Ac cost in South Dakota — Appliance operating-cost page for this state
- Window Ac calculator in South Dakota — Calculator page for adjusting wattage and usage for this appliance
State comparison pathways for South Dakota
- Compare South Dakota with other states — State-to-state comparison hub
- South Dakota vs California electricity cost — Head-to-head comparison page
- South Dakota vs Florida electricity cost — Head-to-head comparison page
Discovery and navigation hubs
- South Dakota electricity hub — Guide to this state's electricity rate, usage, comparison, and tool pages
- Electricity cost scenario hub — Entry point for residential and industry scenario pages
- South Dakota electricity cost overview — State-level electricity cost page with rates and typical bill context
- South Dakota average electricity bill benchmark — Typical monthly bill estimate using a standard household usage assumption
- South Dakota electricity bill estimator — Household profile bill scenarios for this state
- Electricity usage hubs — Browse cost pages by common household usage tiers
Consumer electricity drivers
- Price drivers in South Dakota — Understand what influences state electricity prices
Source & Method
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: February 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.