Kauai Island Utility Cooperative Electric Rates and Bills

Kauai Island Utility Cooperative reported 30,335 residential customers on bundled service in 2025, using 553 kWh a month on average at 38.43 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 4 Hawaii utilities with at least 10,000 bundled residential customers, Kauai Island Utility Cooperative ranks 1 from the lowest price.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.

EIA lists the counties where Kauai Island Utility Cooperative has distribution equipment. That covers 1 county in Hawaii. A county can be served by more than one utility, so confirm your address with the utility or your bill.

Not sure who serves your address? Use find my electric company.

For 2025, Kauai Island Utility Cooperative reported an average of 202 minutes without power per customer and 2.36 interruptions per customer, with major event days left out. The typical interruption lasted about 86 minutes. For comparison, the median state averaged 127 minutes of outage per customer.

Kauai Island Utility Cooperative had about 75 more minutes of outage per customer than the median state. The Hawaii figure across its utilities was 202 minutes. One interruption lasting 86 minutes and 2.36 interruptions a year per customer add up to the 202 minute total.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under IEEE 1366. Utilities define events slightly differently, so compare with care.

• Time-of-use pricing. Kauai Island Utility Cooperative does not report a residential time-of-use program in its 2025 EIA filing. Ask the utility, because programs change. How time-of-use rates work.
• Rooftop solar and net metering. EIA shows 6,221 residential net-metered systems on the Kauai Island Utility Cooperative grid in 2025, with 28.9 megawatts of capacity. How net metering works.

Owned by the members it serves. An elected board sets the rates, and members may receive capital credits when the co-op has margins to return.

For questions about state consumer protections, see the Hawaii Public Utilities Commission.

Kauai Island Utility Cooperative is an electric cooperative based in Hawaii.

By residential customers, Kauai Island Utility Cooperative ranks 4th of the 4 utilities that report homes in Hawaii, with about 6.8% of the state's homes. Hawaii has too few other cooperatives with reported prices to compare Kauai Island Utility Cooperative with its type, so the state average of 40.40 cents per kWh is the fairest yardstick. Kauai Island Utility Cooperative lists distribution equipment in a single county, so its service area is easy to check against your address. 6,221 of its residential customers use net metering, or 205.1 per 1,000 homes, against 241.5 for Hawaii as a whole.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in Hawaii with at least 1,000 residential customers and a reported price.

See every one on the electric companies in Hawaii page.

Kilowatt Atlas is not Kauai Island Utility Cooperative and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.

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