Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, EIA retail sales · How we got these numbers · Report an error
Roughly 35,316 Hawaii accounts belong to Kauai Island Utility Cooperative, classed by EIA as cooperative; the residential count is 30,109. It connects 196.7 net-metered homes per 1,000 home accounts, 22.5 times the national median.
Kauai Island Utility Cooperative: 536 kWh a month costs roughly $221 in energy at 41.29 ¢/kWh, -3.7% on the Hawaii average of 42.86 ¢.
It connects 196.7 net-metered homes per 1,000 home accounts, 22.5 times the national median.
Net metering stands out at Kauai Island Utility Cooperative: 5,923 residential installations on 30,109 home accounts, 196.7 per 1,000. That is place 3 of 4 Hawaii utilities and 22.5 times the national median (8.7). All installations together total 36.0 MW, an average of 5.7 kW each, and 21,837 MWh went back to the utility.
| Kauai Island Utility Cooperative, 2024 | Home | Business | Bill | SAIDI |
|---|---|---|---|---|
| Kauai Island Utility Cooperative | 41.29 ¢/kWh | 41.69 ¢/kWh | $221at 536 kWh | 219 minSAIDI |
| Hawaii average against this company, which is 1 of 4 on price | +1.57 ¢/kWhcompany 3.7% below | -3.51 ¢/kWhcompany 9.2% above | +$8a month at 536 kWh | +0 mincompany 0 below |
| U.S. averageLowest in this table | 16.48 ¢/kWhcompany 150.5% above | 12.75 ¢/kWhcompany 226.9% above | $88133 less than company | 99 mincompany 120 above |
Kauai Island Utility: -6.9% on 2024 for homes, Hawaii -5.3%.
Kauai Island Utility Cooperative reported 38.43 ¢/kWh for homes in 2025, -6.9% on its 2024 figure of 41.29, while the Hawaii average moved -5.3%. Its SAIDI is 202 minutes against 219 in 2024.
Kauai Island Utility Cooperative serves 30,109 homes in Hawaii. At 536 kWh a month that is about 337 kg of CO₂, or 4,043 kg a year, at the Hawaii plant rate, state generation and not this utility: Hawaii generation mix.
34.30 ¢ in 2015, 41.29 ¢ in 2024 (+20.4%); Hawaii 29.60 to 42.86 ¢.
| Year | Kauai Island Utility Coopera | Gap to Hawaii residential | Gap to U.S. residential |
|---|---|---|---|
| 2015 | 34.30 | +4.70 | +21.65 |
| 2016 | 34.02 | +6.55 | +21.47 |
| 2017 | 34.52 | +5.02 | +21.63 |
| 2018 | 37.30 | +4.83 | +24.43 |
| 2019 | 34.87 | +2.81 | +21.86 |
| 2020 | 33.70 | +3.42 | +20.55 |
| 2021 | 36.33 | +2.84 | +22.67 |
| 2022 | 39.31 | -3.72 | +24.27 |
| 2023 | 37.53 | -4.86 | +21.53 |
| 2024 | 41.29 | -1.57 | +24.81 |
10 rows from EIA retail sales.
CSV219.3 min, 2.20x the median reporter, rank 552 of 673.
Kauai Island Utility Cooperative, Reliability: EIA-861 survey.
CSVFrom 34.30 ¢ in 2015 to 41.29 ¢ in 2024, a move of +20.4%: Kauai Island Utility Cooperative lagged its state (+44.8%) by 24.4 points, and -9.9 points against the U.S. Kauai Island Utility Cooperative's sharpest move came in 2024, +10.0%. The latest year is the high at 41.29 ¢; the low was 33.70 ¢ (2020). 2024: +10.0% here, +1.1% for the Hawaii average. Kauai Island Utility Cooperative filed SAIDI in only 1 year of this window, too few for a trend. Kauai Island Utility Cooperative has 0 cheaper and 3 higher-priced Hawaii peers among 4 with 20,000+ homes. Next higher-priced, Hawaiian Electric Co Inc, bills 42.87 ¢ (+1.58).
Cheaper by 3.7% than Hawaii, slower to restore: 219 minutes is 2.2 times the national median.
Home accounts at Kauai Island Utility Cooperative went from 28,658 in 2015 to 30,109 in 2024, +5.1%. Business customers paid 1.01 times the home price in 2024 (41.69 against 41.29 ¢); the ratio was 1.00 in 2015.
Home rates at Kauai Island Utility Cooperative went from 44.26 ¢ in 2013 to 41.29 ¢ in 2024 (−6.7%), which is 61.16 ¢ to 42.37 ¢ in 2025 dollars (−30.7%). Over 12,000 kWh a year the real price meant $7,340 in 2013 and $5,085 in 2024. Of 7 Hawaii utilities with 1,000+ home accounts in 2024, Kauai Island Utility Cooperative stood 3rd cheapest (4th of 4 in 2013).
Kauai Island Utility Cooperative: 42.37 ¢ in 2025 dollars (solid) and 41.29 ¢ as billed (dashed) in 2024.
| Year, Kauai Island Utili | ¢ billed | ¢ in 2025 $ | Price place, Kauai Island U | SAIDI min | SAIFI | SAIDI place, Kauai Island U | Hawaii median SAIDI |
|---|---|---|---|---|---|---|---|
| 2013 | 44.26 | 61.16 | 4 of 4 | – | – | – | – |
| 2014 | 43.01 | 58.50 | 6 of 6 | – | – | – | – |
| 2015 | 34.30 | 46.60 | 6 of 7 | – | – | – | – |
| 2016 | 34.02 | 45.64 | 7 of 7 | – | – | – | – |
| 2017 | 34.52 | 45.34 | 7 of 7 | – | – | – | – |
| 2018 | 37.30 | 47.82 | 8 of 8 | – | – | – | – |
| 2019 | 34.87 | 43.91 | 7 of 8 | – | – | – | – |
| 2020 | 33.70 | 41.92 | 7 of 8 | – | – | – | – |
| 2021 | 36.33 | 43.17 | 7 of 8 | – | – | – | – |
| 2022 | 39.31 | 43.25 | 4 of 8 | – | – | – | – |
| 2023 | 37.53 | 39.66 | 4 of 8 | – | – | – | – |
| 2024 | 41.29 | 42.37 | 3 of 7 | 219 | 2.39 | – | – |
Kauai Island Utility Coo, EIA utility 10071: EIA-861, CPI-U.
CSV| Kauai Island Utility Cooperative sector | Accounts | Rate ¢/kWh | Gap to Hawaii ¢/kWh |
|---|---|---|---|
| Residential | 30,109 | 41.29 | -1.57 |
| Commercial | 5,094 | 41.69 | +3.51 |
| Year | Home accounts, Kauai Island Utility C | Home ¢ | Business ¢ | Ratio | SAIDI | SAIFI |
|---|---|---|---|---|---|---|
| 2015 | 28,658 | 34.30 | 34.17 | 1.00 | No data | No data |
| 2016 | 28,574 | 34.02 | 33.97 | 1.00 | No data | No data |
| 2017 | 28,766 | 34.52 | 34.55 | 1.00 | No data | No data |
| 2018 | 28,961 | 37.30 | 37.42 | 1.00 | No data | No data |
| 2019 | 29,195 | 34.87 | 34.92 | 1.00 | No data | No data |
| 2020 | 29,510 | 33.70 | 34.06 | 1.01 | No data | No data |
| 2021 | 29,803 | 36.33 | 36.61 | 1.01 | No data | No data |
| 2022 | 29,936 | 39.31 | 39.56 | 1.01 | No data | No data |
| 2023 | 30,025 | 37.53 | 37.77 | 1.01 | No data | No data |
| 2024 | 30,109 | 41.29 | 41.69 | 1.01 | 219 | 2.39 |
| Utility near Kauai Island Utility on price | SAIDI min, gap to Kauai Island Utility | Home ¢, gap to Kauai Island Utility | Gap % to Kauai Island Utility | Accounts, Kauai Island Utility = 1 |
|---|---|---|---|---|
| 1. Kauai Island Utility Cooperative (this utility) | 219 | 41.29 | - | 1.00 |
| 2. Hawaiian Electric Co Inc | No data | +1.58 | +3.8% | 8.77 |
| 3. Maui Electric Co Ltd | No data | +2.68 | +6.5% | 2.04 |
| 4. Hawaii Electric Light Co Inc | No data | +7.02 | +17.0% | 2.55 |
| Class at Kauai Island Utility | Accounts | Of Kauai Island Utility accounts | Of Kauai Island Utility MWh sold | kWh a year per Kauai Island Utility account |
|---|---|---|---|---|
| Residential | 30,109 | 85.3% | 41.0% | 6,434 |
| Commercial | 5,094 | 14.4% | 25.0% | 23,211 |
| Industrial and other | 113 | 0.32% | 34.0% | 1,420,381 |
| Measure | Kauai Island Utility | Hawaii context | Kauai Island Utility detail |
|---|---|---|---|
| Kauai Island Utility home meters on AMI | 96.3% | Hawaii 95.0% | 29,037 of 30,145 meters |
| Home meters, AMR (drive-by read) | 454 | Hawaii figure not published | 1.5% of meters |
| Homes with daily digital access | 29,037 | Hawaii figure not published | 96% of the 30,109 home accounts |
| Time-of-use rate for Kauai Island Utility homes | Not on file | 3 of 3 Hawaii utilities offer one | no dynamic-pricing count filed by Kauai Island Utility |
| Net-metered installations | 6,329 | 94% residential | 196.7 homes per 1,000 accounts, 5.7 kW average |
| kWh | Share of a 536 kWh month | Cost a month at 41.29 ¢ | vs U.S. | Cost a year |
|---|---|---|---|---|
| 250 | 47% | $103.22 | +$62.02 | $1,239 |
| 500 | 93% | $206.43 | +$124.03 | $2,477 |
| 750 | 140% | $309.65 | +$186.05 | $3,716 |
| 1,000 | 187% | $412.86 | +$248.06 | $4,954 |
| 1,500 | 280% | $619.30 | +$372.10 | $7,432 |
| 2,000 | 373% | $825.73 | +$496.13 | $9,909 |
| Measure, Kauai Island Utility | No events | All events | Converted |
|---|---|---|---|
| SAIDI minutes | 219.3 | 382.6 | 3.66 h |
| SAIFI interruptions | 2.390 | 4.390 | 0.42 yr apart |
| CAIDI minutes | 91.8 | 87.2 | 1.53 h |
1 Hawaii counties, region HICC:
Hawaii other states: 1 of 1 county of Kauai Island Utility Cooperative drawn
Kauai Island Utility Cooperative: 1 county listed by EIA-861, Census 2023 outlines.
CSV35,316 accounts in 2024: residential 30,109, commercial 5,094, industrial 113.
In 2024 homes paid 41.29 cents; against the Hawaii average that is -3.7%.
SAIDI 219.3 min and SAIFI 2.39 a year, major events excluded; ratio to the national median 2.20, CAIDI 92 min.
6,329 installations with 36.0 MW, of which residential installations number 5,923.
536 kWh at 41.29 cents comes to about $221, energy only.
Rank 1 of 4 in Hawaii on price, -3.7% against the state average; 0 charge less than 41.29 ¢.
Homes take 41.0% of 472,467 MWh, commercial accounts 25.0%, industrial and other 34.0%; the 5,094 commercial accounts use 23,211 kWh each, 3.6 times a home.
29,037 of 30,145 home meters are AMI, 96.3%. Kauai Island Utility reports no home time-of-use rate; 3 of 3 Hawaii filers do.
3rd cheapest of 4 in 2015, 1st of 4 in 2024; its price rose 20.4% while Hawaii rose 44.8%.
38.43 cents per kWh, -6.9% on the 41.29 of 2024 (EIA early release for 2025).
Home prices nearest to Kauai Island Utility Cooperative at 41.29 ¢/kWh in 2024, among companies with a page here, any state.
1 home plan record, energy charges: 34.2 ¢/kWh.
Who offers time-of-use and tiered rates (17 Apr 2026 snapshot).