EIA data through August 2026 · updated 2026-10-29

Kauai Island Utility Cooperative electricity rates

Kauai Island Utility Cooperative (cooperative) residential customers paid about 42.4¢ per kWh (Jan–Aug 2026) — an average bill of $221 for 536 kWh a month.

Avg. home price42.4¢per kWh
Residential customers30,109HI, 2024
Avg. monthly use536kWh
Commercial41.7¢per kWh
Industrial37.1¢per kWh

What a month costs with Kauai Island Utility Cooperative

500 kWh / month$212
900 kWh / month$381
1,200 kWh / month$508

Monthly cost at the average price of 42.4¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Price trend

12¢21¢30¢39¢48¢20222023202420252026Hawaii averageU.S. averageKauai Island Utility Cooperative 12¢21¢30¢39¢48¢20222023202420252026Hawaii averageU.S. averageKauai Island Utility Cooperative
Hawaii averageU.S. averageKauai Island Utility Cooperative
Aug 202647.2¢per kWh
vs. 1 year ago+22.5%38.5¢
vs. 5 years ago+41.4%33.4¢
Record high52.7¢Jun 2026
Avg. home bill$269570 kWh, Aug
EIA forecast, Pacific25.2¢Dec 2027

Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the Pacific region, which includes Alaska, California, Hawaii, Oregon, Washington.

ZIP codes served

Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.

Questions

What is Kauai Island Utility Cooperative’s electricity rate?

About 42.4¢ per kWh for residential customers (Jan–Aug 2026 average, EIA-861M), including fixed charges spread over usage.

What is the average Kauai Island Utility Cooperative electric bill?

$221 a month in 2024, for an average of 536 kWh (EIA-861).

Is Kauai Island Utility Cooperative cheaper than the Hawaii average?

Yes: 42.4¢ versus the Hawaii average of 47.2¢ (Aug 2026).