Data through June 2026
Cost to run · South Dakota · 15.4¢/kWh residential average
How much does it cost to run a room air conditioner in South Dakota?
$82/yr · median certified model
Residential electricity in South Dakota runs 15.4¢/kWh — 16% under the U.S. average — putting the median certified room air conditioner at about $82 a year, versus $98 nationally.
South Dakota ranks 19 of 51 jurisdictions for room air conditioner running costs — solidly mid-table. At local rates, certified models span $40 (Brothers 102372) to $322 (Friedrich KCVL36B30A) per year — $282 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median room air conditioner would cost $70 and $280 a year there.
The cheapest room air conditioners to run at South Dakota rates
| # | Model | kWh/yr | $/yr in SD |
|---|---|---|---|
| 1 | Brothers 102372 | 260 | $40 |
| 2 | Midea MWEUWA-05CRFN8-BCN4 | 260 | $40 |
| 3 | Vissani VAW05V1KWT | 260 | $40 |
| 4 | TCL T05WV9M | 274 | $42 |
| 5 | TCL T05WV9MB | 274 | $42 |
| 6 | TCL T05WV9R | 274 | $42 |
| 7 | TCL T05WV9RB | 274 | $42 |
| 8 | TCL W5WC72 | 274 | $42 |
| 9 | TCL W5WC72-B | 274 | $42 |
| 10 | TCL W5WC72M | 274 | $42 |
Price any model at South Dakota rates
Your rate, your numbers
- Per day
- 22¢
- Per month
- $6.81
- Per year
- $82
532 kWh/yr × 15.4¢/kWh = $82/yr
Prefilled with the median certified room air conditioner (532 kWh/yr). Every model page on this site carries its exact certified figure.
Questions, answered with the data
- How much does it cost to run a room air conditioner in South Dakota?
- About $82 a year for the median ENERGY STAR certified room air conditioner, at South Dakota's average residential rate of 15.4¢/kWh — that's $6.81 a month.
- Is electricity expensive in South Dakota?
- South Dakota's residential average of 15.4¢/kWh is 16% below the U.S. average of 18.3¢/kWh, ranking 19 of 51 jurisdictions (1 = cheapest).
- What's the cheapest room air conditioner to run in South Dakota?
- Among currently certified models, the Brothers 102372 costs the least at about $40 a year at South Dakota rates (260 kWh/yr).
- How does South Dakota compare with other states?
- The same median room air conditioner costs $70 a year in Nevada (the cheapest state) and $280 in Hawaii (the priciest). South Dakota sits at $82.
Keep digging
- All certified room air conditioners compared
- Room Air Conditioners costs in Arizona (rank 17 of 51)
- Room Air Conditioners costs in Wyoming (rank 18 of 51)
- Room Air Conditioners costs in West Virginia (rank 20 of 51)
- Room Air Conditioners costs in South Carolina (rank 21 of 51)
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Rate source: US EIA, average residential price of electricity, see methodology.