Hawaiian Electric Co Inc Electricity Rates and Average Bill (Hawaii)
Data through August 2026 (the latest month EIA has published) · Updated October 31, 2026
As of August 2026, Hawaiian Electric Co Inc's residential customers in Hawaii paid an average effective rate of 49.73¢/kWh with an average monthly bill of $259.60, per EIA Form 861-M data. That rate is 2.5¢ above the Hawaii average of 47.18¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the Hawaii average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 39.03 | 201.75 | 517 |
| October 2025 | 38.83 | 203.91 | 525 |
| November 2025 | 39.61 | 192.92 | 487 |
| December 2025 | 39.54 | 199.42 | 504 |
| January 2026 | 38.64 | 206.01 | 533 |
| February 2026 | 42.39 | 159.17 | 376 |
| March 2026 | 42.45 | 185.82 | 438 |
| April 2026 | 48.40 | 205.47 | 425 |
| May 2026 | 55.09 | 238.07 | 432 |
| June 2026 | 55.88 | 236.56 | 423 |
| July 2026 | 50.83 | 251.13 | 494 |
| August 2026 | 49.73 | 259.60 | 522 |
Hawaiian Electric Co Inc vs Hawaii vs the U.S.
| Hawaiian Electric Co Inc | Hawaii | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 49.73¢/kWh | 47.18¢/kWh | 18.16¢/kWh |
| Average monthly bill | $259.60 | $269.05 | $209.23 |
| Average monthly usage | 522 kWh | 570 kWh | 1152 kWh |
| Rate change, 1 year | +27.5% | +22.5% | +3.4% |
Estimate a bill at Hawaiian Electric Co Inc rates
Worked example: 1,000 kWh at Hawaiian Electric Co Inc's average effective rate of 49.73¢/kWh is about $497.30. The utility's actual average usage is 522 kWh/month, which produces the $259.60 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Hawaii rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.