Window AC Electricity Calculator in Mississippi

A window ac in Mississippi costs about $36.20 a month ($440.45 a year) to run at the state's average rate of 16.76 ¢/kWh. Use this calculator to compare light, typical, and heavy use.

Mississippi average rate
16.76 ¢/kWh
Assumed wattage
900 W
Typical usage pattern
8 hours/day
Typical monthly cost
$36.20
Typical yearly cost
$440.45

Key metrics

MetricValue
Mississippi average rate16.76 ¢/kWh
Assumed wattage900 W
Typical usage pattern8 hours/day
Typical monthly cost$36.20
Typical yearly cost$440.45

Window AC in Mississippi vs U.S. benchmark

Mississippi monthly estimate
$36.20
U.S. monthly estimate
$41.73
Difference
-$5.53
State rate
16.76 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 500-1,500 W, and we assume 900 watts for 8 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 216.0 kWh per month and 2628.0 kWh per year.

Appliance calculator scenarios

ScenarioHours/dayAnnual energyMississippi monthlyU.S. monthlyMississippi yearly
Light usage4 hours/day1314.0 kWh$18.10$20.87$220.23
Typical usage8 hours/day2628.0 kWh$36.20$41.73$440.45
Heavy usage12 hours/day3942.0 kWh$54.30$62.60$660.68

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 all-in average residential rate — energy, delivery, fixed charges, and utility fees together, not just the electricity itself. Fees are inside the rate, not an extra on top; how your own bill splits fixed versus per-kWh charges varies by utility. For what's inside the all-in rate, see hidden electricity fees; for how rates and estimates are defined, see the methodology hub.

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