Hawaiian Electric Co. electricity rates
Investor-owned utility · Hawaii · HI region
Hawaiian Electric Co. is a for-profit, investor-owned utility regulated by the state utility commission, serving 276,853 homes in Hawaii. Its residential customers pay an average of 43.76¢/kWh including fixed and delivery charges, 143% more than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Hawaiian Electric Co. bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $218.80 | $196.45 |
| 1,000 kWh | $437.60 | $382.38 |
| 1,500 kWh | $656.40 | $575.15 |
| 2,000 kWh | $875.20 | $772.47 |
*SCHEDULE R RESIDENTIAL SERVICE - Single Phase (effective 2026-03-01, $15.41/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Hawaiian Electric Co. residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| SCHEDULE R RESIDENTIAL SERVICE - Single Phase | 2026-03-01 | $15.41 | 35.79¢ first 350 kWh, 37.19¢ first 1,200 kWh, 39.46¢ after |
| SCHEDULE ARD TOU R - Residential Time of Use - Single Phasetime-of-use | 2026-03-01 | $21.26 | 18.3¢ (9am–5pm) · 35.9¢ (12am–9am, 9pm–12am) · 53.6¢ (5pm–9pm) — summer weekdays |
| SCHEDULE ARD TOU R - Residential Time of Use - Three Phasetime-of-use | 2026-03-01 | $22.15 | 35.9¢ (12am–9am, 9pm–12am) · 18.3¢ (9am–5pm) · 53.6¢ (5pm–9pm) — summer weekdays |
| SCHEDULE TOU-R RESIDENTIAL TIME-OF-USE SERVICE - Three Phase - Closed Ratetime-of-use | 2023-05-01 | $22.23 | 33.9¢ (12am–7am, 9pm–12am) · 39.4¢ (7am–5pm) · 42.4¢ (5pm–9pm) — summer weekdays |
| SCHEDULE TOU-R RESIDENTIAL TIME-OF-USE SERVICE - Single Phase - Closed Ratetime-of-use | 2023-05-01 | $14.23 | 33.9¢ (12am–7am, 9pm–12am) · 39.4¢ (7am–5pm) · 42.4¢ (5pm–9pm) — summer weekdays |
| SCHEDULE R RESIDENTIAL SERVICE - Three Phase | 2026-03-01 | $26.32 | 35.79¢ first 350 kWh, 37.19¢ first 1,200 kWh, 39.46¢ after |
| SCHEDULE R RESIDENTIAL SERVICE - Three Phase Low Income Provision | 2017-04-01 | $19.27 | 25.69¢ first 350 kWh, 26.84¢ first 1,200 kWh, 25.69¢ after |
| SCHEDULE R RESIDENTIAL SERVICE - Single Phase Low Income Provision | 2017-04-01 | $10.27 | 25.69¢ first 350 kWh, 26.84¢ first 1,200 kWh, 25.69¢ after |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Hawaiian Electric Co. rate history
2015–2025: +45% change in the average residential rate (28.02¢ → 40.54¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Hawaiian Electric Co. | Hawaii avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 202 | 282 | 266 |
| Outages per customer (SAIFI) | 1.41 | 2.02 | 1.34 |
| Average restoration time (CAIDI) | 2 hr 23 min | — | — |
| Outage minutes excluding major storms | 154 | 188 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Hawaiian Electric Co.'s counties, customers averaged 4 hr 22 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Honolulu | 262 | 94 | 38,334 | 2025-01-31 |
Hawaiian Electric Co. service area
Hawaiian Electric Co. serves Honolulu County in Hawaii and 69 ZIP codes.
Honolulu
Cities: Honolulu, East Honolulu, Pearl City, Joint Base Pearl Harbor Hickam, Aliamanu / Salt Lakes / Foster Village, Kailua, Waipahu, Kaneohe, Mililani Town, Manoa, ‘Ewa Gentry, Mililani Mauka, Kalihi Valley, Waikīkī, Diamond Head / Kapahulu / Saint Louis Heights, Niu Valley, Makakilo, Mililani Mauka / Launani Valley, Wahiawā, ‘Ewa Beach, Schofield Barracks, Kuliouou - Kalani Iki, Kapolei Villages, Makakilo City, Kapolei, Royal Kunia, Hālawa, Waimalu, Hālawa Heights, Waianae, Nānākuli, Palolo, Waipio, Village Park, Marine Corps Base Hawaii - MCBH, Mā‘ili, Moanalua, ‘Aiea, ‘Āhuimanu, Ocean Pointe
Programs, smart meters & solar
| Smart meters (AMI) for homes | 96% |
| Customers with daily usage data online | 200,315 |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 11,939 |
| Net-metered solar homes | 68,049 |
| Home batteries paired with solar | 12,582 |
| Homes in demand response (e.g. thermostat rebates) | 33,005 |
Hawaiian Electric Co. at a glance
| Ownership | Investor-owned utility |
| Services | Generation, Transmission, Distribution |
| Commercial rate | 37.15¢/kWh |
| Industrial rate | 32.44¢/kWh |
| Retail revenue (2025) | $2,139,817,100 |
| Electricity sold (2025) | 6,258,258 MWh |
| Peak demand | 1,058 MW summer · 1,010 MW winter |
| Power from own generation | 60% (rest purchased) |
| Line losses | 4.1% |
| Balancing authority | HECO |
| EIA utility ID | 19547 |
Other utilities in Hawaii
Frequently asked questions
What is Hawaiian Electric Co.'s electricity rate?
Hawaiian Electric Co. residential customers pay an average of 43.76¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 1% above the Hawaii average of 43.51¢ and 143% above the U.S. average.
What is the average Hawaiian Electric Co. electric bill?
About $205 a month. The average Hawaiian Electric Co. home uses 468 kWh a month. At 1,000 kWh the bill would be about $438.
How many customers does Hawaiian Electric Co. have?
Hawaiian Electric Co. serves 276,853 residential customers and 310,559 customers in total in Hawaii, across 1 county.
How reliable is Hawaiian Electric Co.?
In 2025, the average Hawaiian Electric Co. customer was without power for 3 hr 22 min (SAIDI) over 1.41 interruptions (SAIFI), including major storms. Excluding major event days it was 2 hr 34 min. The Hawaii average was 4 hr 42 min and the U.S. average 4 hr 26 min.
Does Hawaiian Electric Co. offer time-of-use rates?
Yes. The OpenEI rate database lists 4 time-of-use residential plans, including SCHEDULE ARD TOU R - Residential Time of Use - Single Phase. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Hawaiian Electric Co. offer net metering for solar?
Hawaiian Electric Co. had 68,049 residential net-metered customers in 2025 with 370.0 MW of capacity and 12,582 solar-paired batteries. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Hawaiian Electric Co. before making decisions.