Is electricity expensive in Mississippi?

Mississippi's residential average of 16.8¢/kWh is 11% below the U.S. average of 18.8¢/kWh, ranking 27 of 51 jurisdictions (1 = cheapest).

What's the cheapest room air conditioner to run in Mississippi?

Among currently certified models, the TCL T05WV9M costs the least at about $46 a year at Mississippi rates (274 kWh/yr).

How does Mississippi compare with other states?

The same median room air conditioner costs $66 a year in North Dakota (the cheapest state) and $248 in Hawaii (the priciest). Mississippi sits at $89.

Data through April 2026

Cost to run · Mississippi · 16.8¢/kWh residential average

How much does it cost to run a room air conditioner in Mississippi?

$89/yr · median certified model

Residential electricity in Mississippi runs 16.8¢/kWh — 11% under the U.S. average — putting the median certified room air conditioner at about $89 a year, versus $100 nationally.

In the national ranking, Mississippi lands at 27 of 51 for what a room air conditioner costs to run. Model choice matters as much as geography: at Mississippi rates the most efficient certified model (TCL T05WV9M) costs $46 a year while the most power-hungry (Friedrich KCVL36B30A) costs $351 — a spread of $305 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median room air conditioner would cost $66 and $248 a year there.

Mississippi

$89

US average

$100

North Dakota

$66

Hawaii

$248

Median certified room air conditioner (532 kWh/yr) per year, at each rate

The cheapest room air conditioners to run at Mississippi rates

Top 10 by certified kWh, priced at 16.8¢/kWh
#	Model	kWh/yr	$/yr in MS
1	TCL T05WV9M	274	$46
2	TCL T05WV9MB	274	$46
3	TCL T05WV9R	274	$46
4	TCL T05WV9RB	274	$46
5	TCL W5WC72	274	$46
6	TCL W5WC72-B	274	$46
7	TCL W5WC72M	274	$46
8	TCL W5WC72M-B	274	$46
9	LG LW6023IVSMmost efficient	290	$49
10	Midea MAW06U1QWTmost efficient	298	$50

Price any model at Mississippi rates

Your rate, your numbers

Annual use (kWh)

Electricity rate

Per day: 24¢
Per month: $7.43
Per year: $89

532 kWh/yr × 16.8¢/kWh = $89/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 Mississippi?: About $89 a year for the median ENERGY STAR certified room air conditioner, at Mississippi's average residential rate of 16.8¢/kWh — that's $7.43 a month.
Is electricity expensive in Mississippi?: Mississippi's residential average of 16.8¢/kWh is 11% below the U.S. average of 18.8¢/kWh, ranking 27 of 51 jurisdictions (1 = cheapest).
What's the cheapest room air conditioner to run in Mississippi?: Among currently certified models, the TCL T05WV9M costs the least at about $46 a year at Mississippi rates (274 kWh/yr).
How does Mississippi compare with other states?: The same median room air conditioner costs $66 a year in North Dakota (the cheapest state) and $248 in Hawaii (the priciest). Mississippi sits at $89.

Keep digging

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