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Solar Energy in Hawaii

Solar Panels in Hawaii

There are currently at least 2,324 solar panel installations throughout the state of Hawaii right now.

Solar Energy Data in HI by City

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Solar Power in HI

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HI Solar Energy

Solar Power in Hawaii

Solar Energy Levels in Hawaii

The average monthly solar radiation level in Hawaii's capital city, Honolulu, of 5.72 kilowatt hours per square meter per day (kWh/m2/day) is approximately 53% greater than the average level of 3.73 kWh/m2/day in an area with historically low levels (WA) and is approximately 13% less than the average level of 6.6 kWh/m2/day in an area with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).
→ Hawaii values listed here are based on the capital, Honolulu.

Solar Radiation in Hawaii

Below is a month-by-month comparison of how average Hawaii solar radiation levels compare to average levels in an area with historcially high levels (NV) and one with historically low levels (WA). [1]

→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).
→ Hawaii values listed here are based on the capital, Honolulu.

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Solar Installs in Hawaii

Solar Panel Installations in Hawaii

A look at solar installs in Hawaii. The chart below visualizes install totals for the top five counties in HI vs. the cumulative install total of rest of HI counties combined.

Breakdown of Solar Installs in Hawaii

There are currently at least 2,324 solar panel installations throughout the state of Hawaii right now. [1]

  • Top Five Solar Install Counties in Hawaii
    • Honolulu County: 856 solar installs
    • Maui County: 585 solar installs
    • n/a County: 483 solar installs
    • Kauai County: 399 solar installs
    • n/a County: solar installs
    • Everywhere Else: 1 solar installs

Note: Install totals presented here are those voluntarily contributed from a variety of sources including solar incentive programs, utilities, installers, and the general public. [1] Data for some states is thinner than others.

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Cost of Utilities in Hawaii

Hawaii Electricity Costs

Residential electricity prices in Hawaii averaged 30.45 cents per kilowatthour (¢/kWh) in June 2017, which was approximately 130% more than the overall U.S. average residential electricity rate of 13.22¢/kWh in June. [2]

Solar Power Poll: Hawaii

Vote now: What do you think? Are solar panels & solar power a good choice for residents of the state of Hawaii?

HI: Yes, solar is a great option  
HI: No, solar isn't a good option

Hawaii Natural Gas Costs

Residential natural gas prices in Hawaii averaged $37.63 per thousand cubic feet (Mcf) in June 2017, which was about 135% more than the overall U.S. average residential natural gas rate of $15.98 per Mcf in June. [3]

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More about Hawaii

About Hawaii

Hawaii ranks 42nd among all states in the U.S. with a population of approximately 1,360,301. [4]

HI Solar Power

Solar Energy in HI

To learn more about solar energy and solar power in Hawaii, or for additional solar-related resources in HI, visit the U.S. Energy Information Administration.

Did you know?

The solar energy that strikes the Earth in one hour could provide all of the Earth's energy needs for a complete year.

Cities in Hawaii

References