AC running cost in Mississippi
A typical 2,000 sq ft Mississippi home with average insulation and a 14 SEER2 central AC uses about 2,468 kWh a year for cooling: roughly $375, peaking in Jul at about $85.
At a glance
Mississippi ranks 5th of 48 contiguous states for estimated yearly AC running cost. Its residential electricity price (15.19¢/kWh) is 16% lower than the U.S. average (18.19¢, EIA) and ranks 30th highest. Its climate brings 2,181 cooling degree days a year (5th most), so cooling demand is 99% higher than the 48-state average. Jul is the peak month, carrying about 23% of the year's AC cost; the meaningful cooling season runs Apr–Oct.
| Estimated yearly AC cost (2,000 sq ft, 14 SEER2) | $375 |
| Average across 48 contiguous states (unweighted) | $207 |
| Average residential price, July 2026 YTD | 15.19¢/kWh (U.S.: 18.19¢) |
| Single month, July 2026 | 14.54¢/kWh |
| Annual cooling degree days (NOAA, 1991–2020, base 65°F) | 2,181 (48-state avg 1,099) |
| Yearly savings, 18 vs 14 SEER2 | $83 |
We haven't verified utility-specific tariffs for Mississippi yet, so this page uses the EIA statewide average. Your utility's rate may differ, so enter it in the calculator below.
Sources: EIA Electric Power Monthly, Table 5.6.B and Table 5.6.A; NOAA NCEI nClimDiv. Statewide averages hide large local differences.
Compared with neighboring states
| State | Price | CDD/yr | Yearly AC cost |
|---|---|---|---|
| Louisiana | 13.35¢ | 2,696 | $407 |
| Mississippi | 15.19¢ | 2,181 | $375 |
| Alabama | 16.54¢ | 1,947 | $364 |
| Arkansas | 13.61¢ | 1,764 | $272 |
| Tennessee | 13.87¢ | 1,416 | $222 |
Same home (2,000 sq ft, average insulation, 14 SEER2) in each state.
Month by month
| Month | CDD | kWh | Cost |
|---|---|---|---|
| Jan | 13 | 15 | $2 |
| Feb | 12 | 14 | $2 |
| Mar | 40 | 45 | $7 |
| Apr | 68 | 77 | $12 |
| May | 225 | 255 | $39 |
| Jun | 406 | 459 | $70 |
| Jul ★ | 496 | 561 | $85 |
| Aug | 480 | 543 | $82 |
| Sep | 320 | 362 | $55 |
| Oct | 100 | 113 | $17 |
| Nov | 14 | 16 | $2 |
| Dec | 7 | 8 | $1 |
★ peak month.
Yearly cooling cost by home size and SEER2
| Home | 13 SEER2 | 14 SEER2 | 16 SEER2 | 18 SEER2 |
|---|---|---|---|---|
| 1,200 sq ft | $242 | $225 | $197 | $175 |
| 1,600 sq ft | $323 | $300 | $262 | $233 |
| 2,000 sq ft | $404 | $375 | $328 | $292 |
| 2,500 sq ft | $505 | $469 | $410 | $364 |
| 3,000 sq ft | $606 | $562 | $492 | $437 |
Average insulation; 15.19¢/kWh.
AC monthly running cost calculator
| Month | Cooling degree days | kWh | Cost |
|---|
Price defaults to the state's EIA average residential price (July 2026 YTD); edit it to match your bill. Climate: NOAA state cooling degree days, 1991–2020 average. How this works.