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About Us

Inter-Island Solar Supply is one of the oldest and most experienced renewable energy equipment distributors in the world. Incorporated in Honolulu, Hawaii in 1975, Inter-Island has operated continuously under the same ownership since that time. Our guiding mission is to provide clean energy solution to eliminate Hawaii’s dangerous and expense dependence on polluting fossil fuels to generate electricity.

Inter-Island has three convenient branch locations in the Hawaiian Islands located in Honolulu, Kahului, Lihue and Kailua-Kona to serve its 650 wholesale customers. Our dedicated sales and technical support team has over 300 years of aggregate solar industry experience. For the last four decades, Hawaii’s leading design professionals, licensed contractors and builders have relied on Inter-Island Solar Supply’s for top-tier clean energy equipment, applications support and our huge $10M stocking inventory.

From our founding Inter-Island Solar Supply has represented the finest and most respected manufacturers in renewable energy. Our long experience with renewable industry leaders such as SunEarth, SolarWorld, Rheem/Ruud, Kyocera, Steca, Goldline, SMA, Outback, Aquatherm, Southwest Windpower and Natural Light assures our contractor customers that they are specifying and installing the best built and backed renewable energy systems and component parts on the market.

Inter-Island Solar Supply is a member of The Solaray Corporation family of companies. Other operating companies include SunEarth Inc., a solar heating manufacturer located in Fontana, California, and wholesale distributor Pacific Liquid & Air Systems of Honolulu, Hawaii.