Energy Calculators

Hawaii electric bill calculator

Estimate a monthly electricity bill in Hawaii from your usage and the state’s average residential price.

A Hawaii household using the state average of 515 kWh a month (2025) would pay about $242.98 a month at the August 2026 average price of 47.18¢/kWh (EIA).

Pre-fills the average price (Aug 2026) and typical use (EIA).

kWh

Average for Hawaii: 515 kWh/month (2025, EIA). Your bill shows your actual use.

¢/kWh
Estimated monthly bill
$242.98
Per year
$2,916
Monthly bill at 47.18¢/kWh
Monthly useBill
500 kWh$235.90
750 kWh$353.85
1,000 kWh$471.80
1,500 kWh$707.70
2,000 kWh$943.60

Formula: monthly bill = kWh used × average price per kWh. EIA’s average price already includes fixed monthly charges, spread over all kWh.

Inputs used: use: 515 kWh/month; rate: 47.18¢/kWh; state: Hawaii.

These are estimates, not financial advice.

Source: U.S. Energy Information Administration (Aug 2026). About our data

Typical monthly bill
$242.98515 kWh × 47.18¢/kWh
vs U.S. typical bill
+53.1%U.S.: $158.72
Rank (1 = highest bill)
1stof 51

Hawaii bills at common usage levels

Monthly useBill at 47.18¢/kWh
500 kWh$235.90
750 kWh$353.85
1,000 kWh$471.80
1,500 kWh$707.70
2,000 kWh$943.60

Average monthly bill over the last 12 months

Hawaii average residential electric bill per customer by monthHawaii average bill: $215 in Sep 2025, $269 in Aug 2026. Low $182, high $269.$175$200$225$250$275Nov 2025Feb 2026May 2026Aug 2026
· dollars per customer per month
Show data table
MonthHawaii average bill
Aug 2026$269
Jul 2026$262
Jun 2026$254
May 2026$250
Apr 2026$222
Mar 2026$205
Feb 2026$182
Jan 2026$222
Dec 2025$222
Nov 2025$209
Oct 2025$220
Sep 2025$215

Source: U.S. Energy Information Administration (Aug 2026). About our data

States with similar typical bills

How we calculate

bill = kWh × average price per kWh. Typical use is Hawaii’s 2025 residential sales divided by residential customers and 12 months. The monthly chart uses each month’s sales per customer × that month’s price.

See the methodology for details.

Frequently asked questions

What is the average electric bill in Hawaii?

About $242.98 a month for a household using the Hawaii average of 515 kWh (2025) at the August 2026 price of 47.18¢/kWh. That is +53.1% versus the U.S. figure calculated the same way ($158.72).

When are Hawaii electric bills highest?

Over the last 12 months with published data, the average residential bill was highest in August 2026 ($269.03) and lowest in February 2026 ($181.60), based on EIA sales, customers and prices.

Does this include fixed charges and taxes?

EIA’s average price is total residential revenue divided by kWh sold, so fixed customer charges are included, spread over all kWh. Taxes and fees collected on behalf of governments may not be fully included, so actual bills can be somewhat higher.

Data last updated: