Our Story
Founded in 1993 by the Ekimura Family, Alternate Energy, Inc. has been growing slowly and steadily for more than 30 years, becoming a front-runner in Hawaii's renewable energy revolution.
AEI is driven by the knowledge that more renewable and energy efficiency installations, like solar, means less dependence on expensive oil and electricity. Solar allows Hawaii families and businesses to keep more of their hard-earned dollars.
All of our installers are AEI employees, not subcontractors. AEI takes full responsibility for every installation, no matter how large or small. We purchase high quality materials and systems direct from the manufacturer. Without a middleman, we can pass savings on to our customers.
Today, we are one of Hawaii's oldest residential and commercial solar energy companies, locally owned and operated from day one. As always, we will continue to focus on what we do best: designing and installing Photovoltaic systems, HVAC systems, Solar Water systems, Solar Attic fans, EV charging, and Roofing.
Alternate Energy was voted Best Solar Company, Best Air Conditioning Company, and Best Plumbing Company on Oahu on KITV 4's BEST OF HAWAII awards 3 years in a row! For our first year, we have also won the award for Best Roofing Company for 2023.
Alternate Energy on Hawaii News Now
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Local Roots
AEI is a locally-owned, Kama‘aina company and have been voted Hawaii’s Best Solar Company by our community 2016-2018. We are BBB accredited with an A+ rating, and we continue to be in Hawaii Business Magazine’s Top 250 Companies year after year.
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Elite Status
We maintain our Mitsubishi Electric Elite Diamond Contractor status. AEI is the first Diamond Elite HVAC (Heating, Ventilation, and Air Conditioning) contractor in Hawaii. We are dedicated to continuous education and quality service to uphold this Elite ranking.
Our In-House Engineering, Electrical, Roofing, and Plumbing Teams are fully licensed for the job. We hold C-60, C-61, C-13, C-52, CT-36716, PJ11851, & C-38192 State of Hawaii Certified Journeyman Licenses, ensuring that all of our installations are properly completed.
We take a ‘designbuild’ approach with all of your projects. This creates a single point of design, construction, and most importantly, responsibility to ensure a smooth overall experience.
Alternate Energy offers outstanding warranties across the board on our workmanship. 10 years for PV, 10 years for Solar Water, and 2 years for AC!
