Electricity rates in Diamond Head / Kapahulu / Saint Louis Heights, HI
Diamond Head / Kapahulu / Saint Louis Heights (19,769 people, Honolulu County) is served by Hawaiian Electric Co.. Homes on Hawaiian Electric Co. pay about 43.76¢/kWh, 1% more than the Hawaii average.
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Electric companies serving Diamond Head / Kapahulu / Saint Louis Heights
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Hawaiian Electric Co. | Investor-owned utility | 43.76¢ | $205 | 277K | 202 |
Power outages in Honolulu County right now
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Outage history in Honolulu County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 413 | 262 |
| Days with outages | 156 | 94 |
| Most customers out at once | 17,914 (5.8%) | 38,334 (12.4%) |
| Worst day | 2024-07-30 | 2025-01-31 |
Outage minutes by month, 2025
Less outage time than 2024 (413 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- St. Louis Heights 43.8¢
- Waikīkī 43.8¢
- Punahou 43.8¢
- Manoa 43.8¢
- Palolo 43.8¢
- Pauoa 43.8¢
- Wailupe 43.8¢
- Honolulu 43.8¢
- Aina Haina 43.8¢
- Chinatown 43.8¢
ZIP codes: 96815, 96816, 96844
Frequently asked questions
What is the electricity rate in Diamond Head / Kapahulu / Saint Louis Heights?
Most homes in Diamond Head / Kapahulu / Saint Louis Heights get power from Hawaiian Electric Co., where residential customers pay an average of 43.76¢/kWh including all charges. The Hawaii average is 43.51¢ and the U.S. average 17.99¢.
What is the average electric bill in Diamond Head / Kapahulu / Saint Louis Heights?
About $205 a month, based on 468 kWh a month (the average for Hawaiian Electric Co. customers) at 43.76¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Diamond Head / Kapahulu / Saint Louis Heights, HI?
Hawaiian Electric Co. serves Diamond Head / Kapahulu / Saint Louis Heights.
How often does the power go out in Diamond Head / Kapahulu / Saint Louis Heights?
In 2025, customers in Honolulu County averaged 4 hr 22 min without power. Outages hit 94 days of the year, and the worst day was 2025-01-31, when 38,334 customers (12.4%) were out. Source: ORNL EAGLE-I.