US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

NewInsight: Investor-owned utilities charge 23% more for power

Hawaii

Kauai Island Utility Cooperative electricity rates

What homes pay Kauai Island Utility Cooperative for electricity, from EIA.

Cooperative utility, 30,544 homes in Hawaii. EIA lists it as Kauai Island Utility Cooperative.

Headlines

Average price
41.1¢ a kWh
Up 5.3% on a year ago
Average bill
$230 a month
Up 7.4% on a year ago
Average use
559 kWh
A month. Hawaii 514 kWh
Price rank in Hawaii
4 of 4
1 is the most expensive

Over the 12 months to August 2026, Kauai Island Utility Cooperative homes paid 41.1¢ a kWh, against 44.3¢ across Hawaii.

Kauai Island Utility Cooperative vs Hawaii

Kauai Island Utility CooperativeHawaii
Average price, 12 months to August 202641.1¢44.3¢
Price in August 202642.4¢47.2¢
Average monthly bill, 12 months$230$228
Bill in August 2026$279$269
Average monthly use559 kWh514 kWh
Price change, past year+5.3%+8.8%
Price change since 2019+18%+38%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including August 2026

Source: EIA-861M monthly utility survey. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month.

Up to and including August 2026

Source: EIA-861M monthly utility survey.