Calculator
Hawaii Electric Bill Calculator
Pick your utility, enter your kWh and get an estimated monthly bill based on average residential rates in Hawaii.
Hawaii average electricity rate
44.1¢ / kWh
| Utility | Avg. residential rate | 1,000 kWh |
|---|---|---|
| Hawaiian Electric | 42.9¢ | $441 |
| Hawaiian Electric (Hawaii Island) | 48.3¢ | $495 |
| Hawaiian Electric (Maui County) | 44.0¢ | $452 |
| Kauai Island Utility Cooperative | 41.3¢ | $425 |
Source: NREL / OpenEI utility rate data (2024 data). Check your utility’s current rate schedule for exact prices.
How it is calculated
Bill ≈ kWh used × your utility’s average residential rate + monthly customer charge, plus taxes and fees. Real bills can add delivery and supply lines, time-of-use pricing, tiered rates and riders.
Results are estimates for planning, not bills or professional advice. For generator hookups use a transfer switch installed by a licensed electrician.
Recent reports in Hawaii
Live-
Auto-resolved Schofield Barracks, HI 96857 · Honolulu County “Resolved automatically: no new outage reports for 24 hours”
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