AC running cost in Louisiana
A typical 2,000 sq ft Louisiana home with average insulation and a 14 SEER2 central AC uses about 3,050 kWh a year for cooling: roughly $407, peaking in Jul at about $82.
At a glance
Louisiana ranks 4th of 48 contiguous states for estimated yearly AC running cost. Its residential electricity price (13.35¢/kWh) is 27% lower than the U.S. average (18.19¢, EIA) and ranks 44th highest. Its climate brings 2,696 cooling degree days a year (4th most), so cooling demand is 145% higher than the 48-state average. Jul is the peak month, carrying about 20% of the year's AC cost; the meaningful cooling season runs Mar–Oct.
| Estimated yearly AC cost (2,000 sq ft, 14 SEER2) | $407 |
| Average across 48 contiguous states (unweighted) | $207 |
| Average residential price, July 2026 YTD | 13.35¢/kWh (U.S.: 18.19¢) |
| Single month, July 2026 | 12.72¢/kWh |
| Annual cooling degree days (NOAA, 1991–2020, base 65°F) | 2,696 (48-state avg 1,099) |
| Yearly savings, 18 vs 14 SEER2 | $90 |
We haven't verified utility-specific tariffs for Louisiana 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 |
|---|---|---|---|
| Texas | 16.06¢ | 2,809 | $510 |
| Louisiana | 13.35¢ | 2,696 | $407 |
| Mississippi | 15.19¢ | 2,181 | $375 |
| Arkansas | 13.61¢ | 1,764 | $272 |
Same home (2,000 sq ft, average insulation, 14 SEER2) in each state.
Month by month
| Month | CDD | kWh | Cost |
|---|---|---|---|
| Jan | 27 | 31 | $4 |
| Feb | 26 | 29 | $4 |
| Mar | 64 | 73 | $10 |
| Apr | 117 | 132 | $18 |
| May | 300 | 340 | $45 |
| Jun | 464 | 525 | $70 |
| Jul ★ | 541 | 612 | $82 |
| Aug | 539 | 610 | $81 |
| Sep | 398 | 451 | $60 |
| Oct | 164 | 186 | $25 |
| Nov | 40 | 45 | $6 |
| Dec | 16 | 18 | $2 |
★ peak month.
Yearly cooling cost by home size and SEER2
| Home | 13 SEER2 | 14 SEER2 | 16 SEER2 | 18 SEER2 |
|---|---|---|---|---|
| 1,200 sq ft | $263 | $244 | $214 | $190 |
| 1,600 sq ft | $351 | $326 | $285 | $253 |
| 2,000 sq ft | $438 | $407 | $356 | $317 |
| 2,500 sq ft | $548 | $509 | $445 | $396 |
| 3,000 sq ft | $658 | $611 | $534 | $475 |
Average insulation; 13.35¢/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.