Electricity rates — Hawaiian Electric Co Inc
Hawaiian Electric Co Inc's customers paid 42.9¢ per kWh in 2024, riders included (EIA-861): about $195 a month for 454 kWh. SCHEDULE ARD TOU R - Residential Time of Use - Single Phase, the lowest of 2 open plans at 1,000 kWh a month, comes to $4,260 a year, at the typical hour-by-hour use of homes in Hawaii. Its energy cost recovery factor changes monthly; this price uses March 2026's. Schedule retrieved October 8, 2026.
Every priced Hawaiian Electric Co Inc plan, 1,000 kWh/mo
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| SCHEDULE ARD TOU R - Residential Time of Use - Single Phase✓ cheapesttime-of-use · in effect since March 2026 | $4,259.84 | — | 35.5¢ |
| Schedule R Residential Service - Single Phasetiered · in effect since March 2026 | $4,588.68 | +$328.84 | 38.2¢ |
| Priced but not ranked — restricted, older, or not verifiable as a bill | |||
| SCHEDULE R RESIDENTIAL SERVICE - Single Phase Low Income Provisiontiered · in effect since April 2017 · low-income rate | $3,295.32 | −$964.52 | 27.5¢ |
| SCHEDULE R RESIDENTIAL SERVICE - Three Phase Low Income Provisiontiered · in effect since April 2017 · low-income rate | $3,403.32 | −$856.52 | 28.4¢ |
| SCHEDULE ARD TOU R - Residential Time of Use - Three Phasetime-of-use · in effect since March 2026 · needs three-phase service | $4,270.52 | +$10.68 | 35.6¢ |
| Schedule R Residential Service - Three Phasetiered · in effect since March 2026 · needs three-phase service | $4,719.60 | +$459.76 | 39.3¢ |
| SCHEDULE TOU-R RESIDENTIAL TIME-OF-USE SERVICE - Single Phase - Closed Ratetime-of-use · tiered · in effect since May 2023 · closed to new customers | $4,791.70 | +$531.86 | 39.9¢ |
| SCHEDULE TOU-R RESIDENTIAL TIME-OF-USE SERVICE - Three Phase - Closed Ratetime-of-use · tiered · in effect since May 2023 · closed to new customers | $4,887.70 | +$627.86 | 40.7¢ |
Price Hawaiian Electric Co Inc’s plans at your own usage
The cheapest Hawaiian Electric Co Inc plan at each level of use
- 500 kWh/mo — cheapest $2,257.49 (SCHEDULE ARD TOU R - Residential Time of Use - Single Phase), dearest $2,357.40, a $99.91 spread
- 1,000 kWh/mo — cheapest $4,259.84 (SCHEDULE ARD TOU R - Residential Time of Use - Single Phase), dearest $4,588.68, a $328.84 spread
- 2,000 kWh/mo — cheapest $8,264.56 (SCHEDULE ARD TOU R - Residential Time of Use - Single Phase), dearest $9,269.64, a $1,005.08 spread
What Hawaiian Electric Co Inc's customers were billed in 2024
At 454 kWh a month, Hawaiian Electric Co Inc's median open plan comes to 38.8¢ per kWh, 10% below the 42.9¢ its customers were billed in 2024, riders included.
| Ownership, as EIA classes it | Investor-owned |
|---|---|
| Full-service homes in Hawaii | 276,206 |
| Share of Hawaii's households | 65% |
| Average use per home | 454 kWh a month |
| Average bill per home | $194.71 a month |
| Billed per kWh, riders included | 42.9¢ |
| Median open plan here, at that use | 38.8¢ |
Hawaiian Electric Co Inc in U.S. Energy Information Administration, Form EIA-861, 2024 (Sales_Ult_Cust_2024.xlsx), retrieved September 23, 2026.
How the SCHEDULE R RESIDENTIAL SERVICE - Single Phase bill at 1,000 kWh has moved since 2017
Hawaiian Electric Co Inc's SCHEDULE R RESIDENTIAL SERVICE - Single Phase cost $274.61 a month under its April 2017 version and costs $382.39 under its March 2026 one, 39% more. Its biggest single step, in May 2023, added $82.45 (26%). In Hawaii, EIA's average price rose 38% between 2017 and 2025.
Every version of SCHEDULE R RESIDENTIAL SERVICE - Single Phase
| Took effect | At 1,000 kWh | Change | Record |
|---|---|---|---|
| March 2026 | $382.39 | −$10.96 (−2.8%) | URDB |
| March 2025 | $393.35 | −$10.61 (−2.6%) | URDB |
| July 2024 | $403.96 | +$8.25 (+2.1%) | URDB |
| May 2023 | $395.71 | +$82.45 (+26.3%) | URDB |
| January 2019 | $313.26 | +$38.65 (+14.1%) | URDB |
| April 2017 | $274.61 | First on record | URDB |
In the guides: Why electricity rates change
How it compares
Among the 100 utilities indexed, Hawaiian Electric Co Inc's cheapest open plan is the 5th-highest, 2.3× as much as their median of $1,877.14. It sits between Consolidated Edison Co-NY Inc ($3,830.81) and Southern California Edison Co ($4,564.86).
Its fixed charge, $21.26 a month on SCHEDULE ARD TOU R - Residential Time of Use - Single Phase, is higher than on the cheapest plan of 82 of the other 99 utilities.
SCHEDULE R RESIDENTIAL SERVICE - Single Phase is tiered: past 1,200 kWh a month, each kWh costs 2.3¢ more. Of the 47 utilities whose plans step, that is the 19th-largest step.
In the guides: What a bill costs before a single kilowatt-hour · The price that changes once the meter passes a line
Cheapest 6 plans at 1,000 kWh a month
SCHEDULE ARD TOU R - Residential Time of Use - Single Phase — $4,259.84 a year, 35.5¢ per kWh effective, time-of-use. It carries a $21.26 monthly standing charge. In effect since March 2026.
Schedule R Residential Service - Single Phase — $4,588.68 a year, 38.2¢ per kWh effective, tiered. It carries a $15.41 monthly standing charge. In effect since March 2026.
SCHEDULE R RESIDENTIAL SERVICE - Single Phase Low Income Provision — $3,295.32 a year, 27.5¢ per kWh effective, tiered. It carries a $10.27 monthly standing charge. In effect since April 2017. Too old to quote as a current price.
SCHEDULE R RESIDENTIAL SERVICE - Three Phase Low Income Provision — $3,403.32 a year, 28.4¢ per kWh effective, tiered. It carries a $19.27 monthly standing charge. In effect since April 2017. Too old to quote as a current price.
SCHEDULE ARD TOU R - Residential Time of Use - Three Phase — $4,270.52 a year, 35.6¢ per kWh effective, time-of-use. It carries a $22.15 monthly standing charge. In effect since March 2026. Restricted: needs three-phase service.
Schedule R Residential Service - Three Phase — $4,719.60 a year, 39.3¢ per kWh effective, tiered. It carries a $26.32 monthly standing charge. In effect since March 2026. Restricted: needs three-phase service.
How Hawaiian Electric Co Inc's plans are structured
Of 8 priceable plans: 6 tiered, 4 time-of-use.
Fixed monthly charges run from $10.27 to $26.32.
Hawaiian Electric Co Inc's published schedules
EIA-861 lists Hawaiian Electric Co Inc serving homes in Hawaii and in no other state, which is how its plans are placed there. 8 of its 8 published residential schedules can be priced.
When Hawaiian Electric Co Inc's time-of-use plans charge most
SCHEDULE ARD TOU R - Residential Time of Use - Single Phase charges 53.6¢ a kWh every day 5 pm to 9 pm, all year, against 18.3¢ in its cheapest hours; those dearest hours are 17% of the year. Homes in Hawaii typically put 24% of their electricity in them (NREL ResStock).
In the guides: Time-of-use plans, hour by hour