U.S. residential electricity EIA data: July 2026 US average 18.3¢/kWh Updated
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Monthly report · Published

US Electricity Prices: September 2025 Report

The short answer

The average US residential electricity rate was 18.1¢/kWh in September 2025, up 2.7% from August and up 7.5% from September 2024. Louisiana had the cheapest electricity (12.4¢) and Hawaii the most expensive (39.5¢), while New Hampshire saw the biggest monthly increase (+13.7%).

Source: U.S. EIA, July 2026 data · Updated

US average18.1¢per kWh
vs prior month+2.7%
vs a year ago+7.5%
Spread3.2×HI vs LA

Biggest monthly increases

  1. New Hampshire24.5¢ → 27.8¢+13.7%
  2. Delaware16.8¢ → 18.1¢+7.7%
  3. Vermont22.3¢ → 23.9¢+7.4%
  4. Rhode Island26.5¢ → 28.3¢+6.7%
  5. Maryland19.8¢ → 21.1¢+6.2%

Biggest monthly decreases

  1. New Jersey25.0¢ → 23.4¢−6.3%
  2. Iowa15.6¢ → 14.8¢−5.1%
  3. Alaska27.7¢ → 27.2¢−2.0%
  4. Louisiana12.6¢ → 12.4¢−1.5%
  5. Maine28.3¢ → 28.0¢−1.0%

Largest increases over the past year

  1. District of Columbia18.0¢ → 23.7¢+31.3%
  2. New Jersey19.3¢ → 23.4¢+21.1%
  3. Illinois15.8¢ → 19.1¢+20.6%
  4. Indiana14.8¢ → 17.3¢+16.9%
  5. Pennsylvania17.8¢ → 20.5¢+15.1%

What it means for your bills this season

At September 2025 prices, here’s what typical use of seasonal appliances costs per month — and how much it depends on where you live.

ApplianceTypical useUS averageLouisianaHawaii
Central Air Conditioner8 hours a day$154$105$337
Window Air Conditioner8 hours a day$39.60$27.07$86.60
Pool Pump8 hours a day$66.00$45.12$144

Electricity prices by state, September 2025

Alabama: 16.4¢/kWhAL16.4Alaska: 27.2¢/kWhAK27.2Arizona: 15.3¢/kWhAZ15.3Arkansas: 13.8¢/kWhAR13.8California: 32.0¢/kWhCA32.0Colorado: 16.7¢/kWhCO16.7Connecticut: 30.5¢/kWhCT30.5Delaware: 18.1¢/kWhDE18.1District of Columbia: 23.7¢/kWhDC23.7Florida: 15.8¢/kWhFL15.8Georgia: 15.3¢/kWhGA15.3Hawaii: 39.5¢/kWhHI39.5Idaho: 12.5¢/kWhID12.5Illinois: 19.1¢/kWhIL19.1Indiana: 17.3¢/kWhIN17.3Iowa: 14.8¢/kWhIA14.8Kansas: 15.2¢/kWhKS15.2Kentucky: 13.6¢/kWhKY13.6Louisiana: 12.4¢/kWhLA12.4Maine: 28.0¢/kWhME28.0Maryland: 21.1¢/kWhMD21.1Massachusetts: 30.4¢/kWhMA30.4Michigan: 21.2¢/kWhMI21.2Minnesota: 17.1¢/kWhMN17.1Mississippi: 14.0¢/kWhMS14.0Missouri: 15.8¢/kWhMO15.8Montana: 14.6¢/kWhMT14.6Nebraska: 13.9¢/kWhNE13.9Nevada: 13.1¢/kWhNV13.1New Hampshire: 27.8¢/kWhNH27.8New Jersey: 23.4¢/kWhNJ23.4New Mexico: 16.5¢/kWhNM16.5New York: 27.2¢/kWhNY27.2North Carolina: 15.1¢/kWhNC15.1North Dakota: 13.7¢/kWhND13.7Ohio: 17.6¢/kWhOH17.6Oklahoma: 14.8¢/kWhOK14.8Oregon: 16.0¢/kWhOR16.0Pennsylvania: 20.5¢/kWhPA20.5Rhode Island: 28.3¢/kWhRI28.3South Carolina: 15.3¢/kWhSC15.3South Dakota: 14.8¢/kWhSD14.8Tennessee: 13.3¢/kWhTN13.3Texas: 15.8¢/kWhTX15.8Utah: 14.1¢/kWhUT14.1Vermont: 23.9¢/kWhVT23.9Virginia: 16.6¢/kWhVA16.6Washington: 13.8¢/kWhWA13.8West Virginia: 16.1¢/kWhWV16.1Wisconsin: 18.7¢/kWhWI18.7Wyoming: 15.0¢/kWhWY15.012.4¢14.1¢15.3¢17.1¢23.7¢39.5¢¢ per kWh

Every state’s rate in September 2025

Average residential price, cents per kWh. Source: U.S. EIA.
1 Louisiana 12.4¢ −1.5% +2.7%
2 Idaho 12.5¢ +3.5% +1.1%
3 Nevada 13.1¢ +4.2% −7.0%
4 Tennessee 13.3¢ +2.1% +7.0%
5 Kentucky 13.6¢ +3.0% +9.3%
6 North Dakota 13.7¢ +5.3% +6.3%
7 Arkansas 13.8¢ +3.8% +7.5%
8 Washington 13.8¢ +1.1% +11.3%
9 Nebraska 13.9¢ +5.2% +7.3%
10 Mississippi 14.0¢ +2.8% +6.2%
11 Utah 14.1¢ +3.2% +3.8%
12 Montana 14.6¢ +2.5% +8.8%
13 South Dakota 14.8¢ +5.6% +6.6%
14 Iowa 14.8¢ −5.1% +5.3%
15 Oklahoma 14.8¢ +3.4% +7.1%
16 Wyoming 15.0¢ +4.4% +7.8%
17 North Carolina 15.1¢ +3.6% +1.7%
18 Kansas 15.2¢ +2.9% +3.5%
19 Arizona 15.3¢ +0.7% +2.4%
20 Georgia 15.3¢ −0.8% +12.3%
21 South Carolina 15.3¢ +2.4% +3.7%
22 Florida 15.8¢ +2.5% +12.5%
23 Texas 15.8¢ +2.4% +5.1%
24 Missouri 15.8¢ +2.5% +8.3%
25 Oregon 16.0¢ +1.2% +4.4%
26 West Virginia 16.1¢ +3.1% +1.9%
27 Alabama 16.4¢ +1.2% +6.3%
28 New Mexico 16.5¢ +2.0% +9.8%
29 Virginia 16.6¢ +5.0% +9.1%
30 Colorado 16.7¢ +2.0% +7.3%
31 Minnesota 17.1¢ +1.1% +4.0%
32 Indiana 17.3¢ +5.2% +16.9%
33 Ohio 17.6¢ +0.1% +11.8%
34 Delaware 18.1¢ +7.7% +7.9%
35 Wisconsin 18.7¢ +1.1% +5.6%
36 Illinois 19.1¢ +5.5% +20.6%
37 Pennsylvania 20.5¢ +2.7% +15.1%
38 Maryland 21.1¢ +6.2% +14.7%
39 Michigan 21.2¢ +2.3% +5.4%
40 New Jersey 23.4¢ −6.3% +21.1%
41 District of Columbia 23.7¢ +2.1% +31.3%
42 Vermont 23.9¢ +7.4% +6.5%
43 Alaska 27.2¢ −2.0% +5.1%
44 New York 27.2¢ +2.1% +8.7%
45 New Hampshire 27.8¢ +13.7% +11.6%
46 Maine 28.0¢ −1.0% +6.5%
47 Rhode Island 28.3¢ +6.7% −1.4%
48 Massachusetts 30.4¢ −0.7% +3.9%
49 Connecticut 30.5¢ +0.8% −7.8%
50 California 32.0¢ +1.2% +0.7%
51 Hawaii 39.5¢ +1.6% −3.3%

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