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 103 solar companies at work throughout the value chain in Hawaii, employing 2,600 people.
  • In 2013, Hawaii installed 151 MW of solar electric capacity, ranking it 6th nationally.
  • The 389 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 95,200 homes.
  • In 2013, $614 million was invested in Hawaii to install solar for home, business and utility use. This represents a 22% increase over the previous year, and is expected to grow again this year.
  • Average installed residential and commercial photovoltaic system prices in Hawaii have fallen by 11% in the last year. National prices have also dropped steadily — by 8% from last year and 39% from 2010.

View more solar industry data.

Notable Solar Installations in Hawaii

  • Kalaeloa Solar One in Oahu was completed in 2013 by developer Keahole Solar Power. This concentrating photovoltaic project has the capacity to generate 5 MW of electricity-- enough to power over 1,250 Hawaii homes.
  • Another utility-scale project, Grove Farm on Kauai Island, is currently under construction in Hawaii and is scheduled to come online in 2014.  Developed by SolarCity, this 12 MW photovoltaic project will generate enough electricity to power 2,400 homes.
  • 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 103 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, 72 contractor/installers, 7 project developers, 10 distributors and 10 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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