State Solar Policy

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Hawaii Solar

With fantastic solar insolation and high electricity prices due to a dependence on imported energy, Hawaii is an ideal solar market. However, interconnection continues to be an issue as Hawaiian utilities have imposed restrictions to avoid solar generators' loads on their systems.

Facts on the Hawaii Solar Industry

As of 2013, more than 1 in 9 homes in Hawaii have installed solar power. Share this.
  • There are currently more than 106 solar companies at work throughout the value chain in Hawaii, employing 2,600 people.
  • In 2014, Hawaii installed 151 MW of solar electric capacity, ranking it 6th nationally.
  • The 447 MW of solar energy currently installed in Hawaii ranks the state 7th in the country in installed solar capacity.  There is enough solar energy installed in the state to power 110,000 homes.
  • In 2014, $322 million was invested on solar installations in Hawaii.
  • Installed solar photovoltaic system prices in the U.S. have dropped steadily -- by 8% from last year and 49% from 2010.

View more solar industry data.

Notable Solar Installations in Hawaii

  • Grove Farm on Kauai Island was completed in 2014 by developer SolarCity.  This photovoltaic project has the capacity to generate 12 MW of electricity -- enough to power over 2,400 Hawaii homes.
  • Several large retailers in Hawaii have gone solar, including Macy's, Target and Walmart. Safeway has installed one of the largest corporate photovoltaic systems in the state with 332 kW of solar capacity at their location in Ewa.
  • At 6 MW, Port Allen Solar Farm is among the largest solar installations in Hawaii. Completed in 2013 by Alexander & Baldwin, this photovoltaic project has enough electric capacity to power more than 1,500 homes.

See our solar installations maps.

Solar Companies in Hawaii

  • There are currently more than 114 solar companies at work throughout the value chain in Hawaii.  These companies provide a wide variety of solar products and services ranging from solar system installations to the manufacturing of components used in photovoltaic panels.  These companies can be broken down across the following categories: 4 manufacturers, 79 contractor/installers, 7 project developers, 10 distributors and 14 engaged in other solar activities including financing, engineering and legal support.

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Hawaii State Solar Policy Resources

Hawaii Public Utilities Commission - Learn about the governing body that regulates the electricity rates and services of Hawaii public utilities

Hawaii Solar Energy Association – Learn what local solar companies have been doing to create solar jobs in Hawaii since 1977

Hawaii State Legislature - Track pending legislation affecting solar energy, locate and contact individual legislators, and stay up to date on current legislative issues in Hawaii

State Energy Office - Find a wide variety of information on state government energy programs, policy, projects, energy-saving strategies and energy-related statistics

DSIRE Incentives Database - Hawaii - Search a public clearinghouse for specific solar energy incentives in Hawaii and across the United States

U.S. Energy Information Administration - Hawaii State Profile - Explore official energy statistics, including data on electricity supply and demand, from the U.S. government


For more information about SEIA’s activities in Hawaii, send an email to our state affairs team and we will respond as promptly as possible.

You can also contact our state chapter, HSEA, for more information on Hawaii solar policy.

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