Energy Calculators

Electricity rates in Hawaii

The average residential electricity price in Hawaii was 47.18¢/kWh in August 2026, 159.8% above the U.S. average of 18.16¢/kWh (EIA).

Average price (Aug 2026)
47.18¢/kWh
Change vs Aug 2025
+22.5%+8.65¢/kWh
Rank (1 = most expensive)
1stof 51
vs U.S. average
+159.8%+29.02¢/kWh

Hawaii residential electricity price, last 12 months

Hawaii vs U.S. average residential electricity price, last 12 monthsHawaii: 39.5¢ in Sep 2025, 47.2¢ in Aug 2026. Low 39.5¢, high 52.7¢.10.0¢20.0¢30.0¢40.0¢50.0¢60.0¢Nov 2025Feb 2026May 2026Aug 2026
· cents per kWh
Show data table
MonthHawaiiU.S. average
Aug 202647.2¢18.2¢
Jul 202648.0¢18.3¢
Jun 202652.7¢18.4¢
May 202652.0¢18.4¢
Apr 202646.6¢18.9¢
Mar 202642.2¢18.6¢
Feb 202643.0¢17.6¢
Jan 202639.8¢17.4¢
Dec 202541.6¢17.1¢
Nov 202540.2¢17.8¢
Oct 202539.7¢17.9¢
Sep 202539.5¢18.1¢

Source: U.S. Energy Information Administration (Aug 2026). Retrieved November 5, 2026. About our data

What common appliances cost to run in Hawaii

Worked examples at 47.18¢/kWh, the August 2026 average:

  • Running a 1,500 W space heater 6 hours a day for 30 days uses 270 kWh and costs about $127.39.
  • Running a 3,500 W central air conditioner 8 hours a day for 30 days uses 840 kWh and costs about $396.31.
  • Running a refrigerator using 500 kWh per year uses 500 kWh and costs about $235.90 a year.

Try your own appliance in the appliance cost calculator.

Typical monthly use and bill

Hawaii residential customers used an average of 515 kWh a month in 2025 (EIA annual data). At 47.18¢/kWh, that works out to about $242.98 a month.

States with similar prices

Compare all 50 states and DC

Frequently asked questions

Is electricity expensive in Hawaii?

Hawaii ranked 1st most expensive of 51 (50 states and DC) in August 2026, at 47.18¢/kWh versus the U.S. average of 18.16¢/kWh.

How have Hawaii electricity prices changed over the past year?

The average residential price rose from 38.53¢/kWh in August 2025 to 47.18¢/kWh in August 2026, a change of +22.5%.

What is a typical electric bill in Hawaii?

Residential customers in Hawaii used an average of 515 kWh a month in 2025. At 47.18¢/kWh that is about $242.98 a month. Use the electric bill calculator for your own usage.

Why might my Hawaii rate differ from this average?

The state average blends every utility, rate plan and fixed charge in the state. Utilities, co-ops and municipal providers set different tariffs, and time-of-use or tiered plans change the price of each kWh. Divide your bill total by your kWh for your own average rate.

Data last updated: