Hawaiian Electric, headquartered in Honolulu, Hawaii, is the largest provider of electricity in the state, serving 95% of Hawaii’s population. The utility operates five power plants on Oahu, Maui, and Hawaii Island, with a total capacity of 1,214 megawatts. Hawaiian Electric also owns and operates a 34-megawatt wind farm on Maui and has agreements to purchase power from other wind and solar projects in the state. The company is committed to increasing renewable energy sources and has set a goal to achieve 100% renewable energy by 2045. Hawaiian Electric provides electricity to over 300,000 customers in Hawaii and maintains a reliable and resilient grid to support the state’s unique geography and weather patterns.
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Hawaiian Electric's energy comes from oil, coal, wind, solar, biomass, and other fossil. Oil is the largest source of electricity, providing 68% of Hawaiian Electric's energy. Coal is the second largest source, making up 16%. Wind provides 6% of Hawaiian Electric's electricity. Solar provides 4% of Hawaiian Electric's electricity. Biomass provides 3% of Hawaiian Electric's electricity. Other Fossil provides 3% of Hawaiian Electric's electricity.
68%
Oil
16%
Coal
6%
Wind
4%
Solar
3%
Biomass
3%
Other Fossil
The average electricity rate for Hawaiian Electric customers is 32.47 cents/kWh. Hawaiian Electric has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| RESIDENTIAL TIME-OF-USE SERVICE - Three Phase | TOU | 18¢ to 51¢ |
| RESIDENTIAL SERVICE - Three Phase | Fixed | 37¢ to 41¢ |
| RESIDENTIAL TIME-OF-USE SERVICE - Single Phase | TOU | 18¢ to 51¢ |
| RESIDENTIAL SERVICE - Single Phase | Fixed | 37¢ to 41¢ |
In 2021, there were no outages recorded in Hawaiian Electric.
Credited to customer's next bill at a specified rate, which varies by utility and tariff