AC running cost in Oklahoma
A typical 2,000 sq ft Oklahoma home with average insulation and a 14 SEER2 central AC uses about 2,173 kWh a year for cooling: roughly $295, peaking in Jul at about $81.
At a glance
Oklahoma ranks 11th of 48 contiguous states for estimated yearly AC running cost. Its residential electricity price (13.58¢/kWh) is 25% lower than the U.S. average (18.19¢, EIA) and ranks 42nd highest. Its climate brings 1,920 cooling degree days a year (9th most), so cooling demand is 75% higher than the 48-state average. Jul is the peak month, carrying about 27% of the year's AC cost; the meaningful cooling season runs May–Sep.
| Estimated yearly AC cost (2,000 sq ft, 14 SEER2) | $295 |
| Average across 48 contiguous states (unweighted) | $207 |
| Average residential price, July 2026 YTD | 13.58¢/kWh (U.S.: 18.19¢) |
| Single month, July 2026 | 14.35¢/kWh |
| Annual cooling degree days (NOAA, 1991–2020, base 65°F) | 1,920 (48-state avg 1,099) |
| Yearly savings, 18 vs 14 SEER2 | $66 |
We haven't verified utility-specific tariffs for Oklahoma 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 |
| Oklahoma | 13.58¢ | 1,920 | $295 |
| Arkansas | 13.61¢ | 1,764 | $272 |
| Kansas | 15.21¢ | 1,458 | $251 |
| Missouri | 13.96¢ | 1,265 | $200 |
| New Mexico | 15.08¢ | 1,004 | $171 |
| Colorado | 16.72¢ | 329 | $62 |
Same home (2,000 sq ft, average insulation, 14 SEER2) in each state.
Month by month
| Month | CDD | kWh | Cost |
|---|---|---|---|
| Jan | 0 | 0 | $0 |
| Feb | 2 | 3 | $0 |
| Mar | 17 | 19 | $3 |
| Apr | 35 | 40 | $5 |
| May | 150 | 170 | $23 |
| Jun | 371 | 420 | $57 |
| Jul ★ | 528 | 597 | $81 |
| Aug | 498 | 564 | $77 |
| Sep | 263 | 298 | $40 |
| Oct | 51 | 58 | $8 |
| Nov | 3 | 4 | $1 |
| Dec | 0 | 0 | $0 |
★ peak month.
Yearly cooling cost by home size and SEER2
| Home | 13 SEER2 | 14 SEER2 | 16 SEER2 | 18 SEER2 |
|---|---|---|---|---|
| 1,200 sq ft | $191 | $177 | $155 | $138 |
| 1,600 sq ft | $254 | $236 | $207 | $184 |
| 2,000 sq ft | $318 | $295 | $258 | $230 |
| 2,500 sq ft | $397 | $369 | $323 | $287 |
| 3,000 sq ft | $477 | $443 | $387 | $344 |
Average insulation; 13.58¢/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.