Monthly report · Published
US Electricity Prices: May 2026 Report
The short answer
The average US residential electricity rate was 18.4¢/kWh in May 2026, down 2.1% from April and up 6.2% from May 2025. Idaho had the cheapest electricity (12.4¢) and Hawaii the most expensive (52.0¢), while Illinois saw the biggest monthly increase (+16.5%).
Source: U.S. EIA, July 2026 data · Updated
US average18.4¢per kWh
vs prior month−2.1%
vs a year ago+6.2%
Spread4.2×HI vs ID
Biggest monthly increases
- Illinois20.5¢ → 23.9¢+16.5%
- Hawaii46.6¢ → 52.0¢+11.5%
- North Dakota12.4¢ → 13.6¢+10.2%
- South Dakota14.5¢ → 15.7¢+8.3%
- Montana13.9¢ → 14.7¢+5.5%
Biggest monthly decreases
- Connecticut32.2¢ → 27.4¢−15.1%
- North Carolina16.3¢ → 15.1¢−7.1%
- New Mexico15.2¢ → 14.1¢−6.8%
- California35.3¢ → 33.3¢−5.7%
- South Carolina17.1¢ → 16.2¢−5.2%
Largest increases over the past year
- Illinois18.6¢ → 23.9¢+28.4%
- Hawaii41.0¢ → 52.0¢+26.7%
- District of Columbia20.4¢ → 25.4¢+24.3%
- Virginia15.3¢ → 17.6¢+15.4%
- Maryland19.0¢ → 21.8¢+14.6%
What it means for your bills this season
At May 2026 prices, here’s what typical use of seasonal appliances costs per month — and how much it depends on where you live.
| Appliance | Typical use | US average | Idaho | Hawaii |
|---|---|---|---|---|
| Central Air Conditioner | 8 hours a day | $157 | $105 | $443 |
| Window Air Conditioner | 8 hours a day | $40.39 | $27.05 | $114 |
| Pool Pump | 8 hours a day | $67.31 | $45.08 | $190 |
Electricity prices by state, May 2026
Every state’s rate in May 2026
| 1 | Idaho | 12.4¢ | −2.8% | +4.0% |
|---|---|---|---|---|
| 2 | Utah | 13.0¢ | −2.5% | +2.9% |
| 3 | Oklahoma | 13.4¢ | +0.5% | +3.4% |
| 4 | Nebraska | 13.6¢ | +2.3% | +3.3% |
| 5 | Nevada | 13.6¢ | −4.8% | +2.3% |
| 6 | North Dakota | 13.6¢ | +10.2% | +3.9% |
| 7 | Missouri | 13.7¢ | −2.4% | +5.1% |
| 8 | New Mexico | 14.1¢ | −6.8% | −2.6% |
| 9 | Iowa | 14.1¢ | +2.0% | −0.1% |
| 10 | Louisiana | 14.2¢ | −2.0% | +6.7% |
| 11 | Arkansas | 14.4¢ | +1.4% | +8.9% |
| 12 | Tennessee | 14.5¢ | −3.1% | +5.4% |
| 13 | Montana | 14.7¢ | +5.5% | +13.9% |
| 14 | Wyoming | 14.8¢ | +0.8% | +7.1% |
| 15 | Washington | 15.0¢ | +4.1% | +9.5% |
| 16 | Kentucky | 15.0¢ | −0.3% | +8.2% |
| 17 | North Carolina | 15.1¢ | −7.1% | +5.4% |
| 18 | Kansas | 15.1¢ | −4.1% | +2.7% |
| 19 | Florida | 15.2¢ | −1.4% | +1.3% |
| 20 | Arizona | 15.2¢ | −1.6% | −3.1% |
| 21 | South Dakota | 15.7¢ | +8.3% | +9.8% |
| 22 | Georgia | 15.8¢ | +3.1% | +5.7% |
| 23 | Colorado | 16.2¢ | −2.3% | +3.7% |
| 24 | Mississippi | 16.2¢ | −3.6% | +8.9% |
| 25 | South Carolina | 16.2¢ | −5.2% | +5.0% |
| 26 | Oregon | 16.3¢ | +3.1% | +2.3% |
| 27 | Texas | 16.4¢ | −3.2% | +5.9% |
| 28 | Alabama | 16.8¢ | −3.7% | +3.8% |
| 29 | West Virginia | 16.8¢ | +4.6% | +3.8% |
| 30 | Minnesota | 17.0¢ | +3.4% | +7.0% |
| 31 | Virginia | 17.6¢ | +1.3% | +15.4% |
| 32 | Indiana | 18.2¢ | +1.4% | +7.4% |
| 33 | Delaware | 19.4¢ | +3.1% | +6.9% |
| 34 | Ohio | 19.5¢ | +0.2% | +14.2% |
| 35 | Wisconsin | 19.7¢ | +2.8% | +4.2% |
| 36 | Pennsylvania | 21.6¢ | +0.4% | +11.7% |
| 37 | Maryland | 21.8¢ | −1.4% | +14.6% |
| 38 | Michigan | 22.0¢ | +2.9% | +8.8% |
| 39 | New Jersey | 23.3¢ | −1.1% | +13.6% |
| 40 | Illinois | 23.9¢ | +16.5% | +28.4% |
| 41 | Vermont | 24.9¢ | +1.3% | +4.8% |
| 42 | District of Columbia | 25.4¢ | 0% | +24.3% |
| 43 | New Hampshire | 27.3¢ | +0.3% | +13.8% |
| 44 | Connecticut | 27.4¢ | −15.1% | −13.4% |
| 45 | Alaska | 28.2¢ | +3.2% | +8.2% |
| 46 | Maine | 28.6¢ | +0.7% | +2.6% |
| 47 | Massachusetts | 28.8¢ | −2.1% | −3.6% |
| 48 | Rhode Island | 29.5¢ | +4.1% | +1.6% |
| 49 | New York | 29.9¢ | +1.6% | +12.1% |
| 50 | California | 33.3¢ | −5.7% | −0.1% |
| 51 | Hawaii | 52.0¢ | +11.5% | +26.7% |
Using this data? It’s free under CC BY 4.0 — please credit “Applicost, based on EIA data” with a link to this page. Charts and CSV: open data.
Sources & method
- Electricity rates: U.S. Energy Information Administration, Electric Power Monthly — average residential retail price, July 2026 (latest available). Retrieved .
- CO₂: EIA State Electricity Profiles, 2024 emissions rate of in-state power generation.
- Formulas, duty cycles and limitations: methodology. Data download: open data (CC BY 4.0).