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 air purifier to run in South Dakota?

Among currently certified models, the Blueair 4612522000 costs the least at about $4.61 a year at South Dakota rates (30 kWh/yr).

How does South Dakota compare with other states?

The same median air purifier costs $19 a year in Nevada (the cheapest state) and $78 in Hawaii (the priciest). South Dakota sits at $23.

Data through June 2026

Cost to run · South Dakota · 15.4¢/kWh residential average

How much does it cost to run an air purifier in South Dakota?

$23/yr · median certified model

South Dakota's 15.4¢/kWh rate undercuts the national average by 16%, so the typical certified air purifier costs roughly $23 a year here instead of $27.

South Dakota ranks 19 of 51 jurisdictions for air purifier running costs — solidly mid-table. At local rates, certified models span $4.61 (Blueair 4612522000) to $75 (Fellowes Aeramax SV) per year — $71 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 air purifier would cost $19 and $78 a year there.

South Dakota

$23

US average

$27

Nevada

$19

Hawaii

$78

Median certified air purifier (148 kWh/yr) per year, at each rate

The cheapest air purifiers to run at South Dakota rates

Top 10 by certified kWh, priced at 15.4¢/kWh
#	Model	kWh/yr	$/yr in SD
1	Blueair 4612522000most efficient	30	$4.61
2	DREAME CVA10Bmost efficient	32	$4.92
3	AeroNova DH-JH01Amost efficient	33	$5.07
4	AeroNova MK01Amost efficient	33	$5.07
5	ALROCKET MK01Amost efficient	33	$5.07
6	AROEVE MK01Amost efficient	33	$5.07
7	BREEZOME MK01Amost efficient	33	$5.07
8	Greenlite G-Pure-7Wmost efficient	33	$5.07
9	KLOUDIC MK01Amost efficient	33	$5.07
10	REEMKIZZ MK01Amost efficient	33	$5.07

Price any model at South Dakota rates

Your rate, your numbers

Annual use (kWh)

Electricity rate

Per day: 6¢
Per month: $1.89
Per year: $23

148 kWh/yr × 15.4¢/kWh = $23/yr

Prefilled with the median certified air purifier (148 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 an air purifier in South Dakota?: About $23 a year for the median ENERGY STAR certified air purifier, at South Dakota's average residential rate of 15.4¢/kWh — that's $1.89 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 air purifier to run in South Dakota?: Among currently certified models, the Blueair 4612522000 costs the least at about $4.61 a year at South Dakota rates (30 kWh/yr).
How does South Dakota compare with other states?: The same median air purifier costs $19 a year in Nevada (the cheapest state) and $78 in Hawaii (the priciest). South Dakota sits at $23.

Keep digging

Rate source: US EIA, average residential price of electricity, see methodology.