Hawaiian Electric Co Inc bill decoder
Hawaiian sells under this tariff at 38.24¢ per kWh all-in, -2.35¢ against the Hawaii average of 40.59¢. The $15.41 fixed charge is 4% of the bill.
Hawaiian at 1,000 kWh, line by line
Hawaiian bills $15.41 a month, 4% of the $382.39 total at 1,000 kWh. Hawaiian tiers its energy: the first 350 kWh cost 35.788¢, then 39.464¢ above 1,200 kWh (+10%), so 0 of 1,000 kWh pay the top rate. The minimum bill is $30.32.
Hawaiian: what the tariff charges
| Line | Charged | Amount |
|---|---|---|
| Customer charge | Fixed, once a month | $15.41 |
| Energy, tier 1 | First 350 kWh | 35.788¢ per kWh |
| Energy, tier 2 | 350 to 1,200 kWh | 37.187¢ per kWh |
| Energy, tier 3 | Over 1,200 kWh | 39.464¢ per kWh |
| Minimum bill | Monthly floor on the total | $30.32 |
Hawaiian at 500, 1,000 and 2,000 kWh
| kWh | Total | ¢/kWh | Fixed | Energy | HI avg |
|---|---|---|---|---|---|
| 454 (average home) | $179.34 | 39.50 | $15.41 | $163.93 | $184.28 |
| 500 | $196.45 | 39.29 | $15.41 | $181.04 | $202.95 |
| 1,000 | $382.39 | 38.24 | $15.41 | $366.98 | $405.90 |
| 2,000 | $772.47 | 38.62 | $15.41 | $757.06 | $811.80 |
How the Hawaiian total climbs
$104.88 at 250 kWh becomes $1,167.11 at 3,000 kWh, 11.1 times the bill for 12 times the power.
Hawaiian total in dollars, by kWh
- 105250
- 196500
- 289750
- 3821,000
- 5751,500
- 7722,000
- 1,1673,000
Check your Hawaiian bill
Hawaiian: tariff against EIA
EIA-861 puts the 2024 home price at 42.87¢ for Hawaiian, across 276,206 home accounts using 454 kWh a month. The tariff gives 39.50¢ ($179.41). The +3.37¢ gap, about $15.30 a month, is riders, other plans and rate changes.
Other Hawaiian residential plans
3 more Hawaiian plans fit the model; the decoder prices each.
| Plan | Since | Type | 1,000 kWh | Fixed |
|---|---|---|---|---|
| SCHEDULE ARD TOU R - Residential Time of Use - Single Phase | 2026-03-01 | time of use | $351.20 | $21.26 |
| SCHEDULE ARD TOU R - Residential Time of Use - Three Phase | 2026-03-01 | time of use | $352.09 | $22.15 |
| SCHEDULE R RESIDENTIAL SERVICE - Three Phase | 2026-03-01 | tiered | $393.30 | $26.32 |
Hawaiian: sources and limits
- Tariff: SCHEDULE R RESIDENTIAL SERVICE - Single Phase, effective 2026-03-01, record 69b432392c306a42be03652c, updated 2026-03-13; decode_tariffs.csv.
- Tariff sheet cited by the record: https://www.hawaiianelectric.com/documents/billing_and_payment/rates/effective_rate_summar.
- Data: OpenEI URDB, EIA-861, EIA state data.
Hawaiian: taxes, riders and adjustments sit outside these rates.
Keep going
- All bill decoders
- Bill terms
- Hawaiian profile
- Hawaii prices
- Time-of-use plans
Questions
How much does Hawaiian bill at zero kWh?
The fixed part alone: $15.41 a month. It is 8% of the $196.45 that 500 kWh costs.
What would a 1,000 kWh month cost at Hawaiian?
About $382.39 before extras, made of $366.98 for energy and $15.41 fixed, or 38.24¢ per kWh.
What makes a Hawaiian bill run higher than the tariff?
At 454 kWh the tariff gives 39.50¢ against 42.87¢ in EIA's 2024 average, +3.37¢ apart. Riders, fees and other plans sit in that gap.
What does the last kWh cost at Hawaiian?
Going from 1,000 to 2,000 kWh adds $390.09, or 39.01¢ per extra kWh, against 37.19¢ for 500 to 1,000 kWh.
How old is the Hawaiian tariff used here?
It took effect 2026-03-01, 1 month before the April 2026 snapshot. Check Hawaiian for newer rates.
What is a typical Hawaiian monthly bill on this tariff?
At the 2024 average of 454 kWh (EIA-861) it is $179.41.