Harness the Power
of Solar Energy for a Sustainable Future
Take charge of your energy future with the sun. Whether upgrading your home through residential solar or supporting your business with commercial solar, today’s photovoltaic panels deliver reliable clean electricity. Combined with advanced inverters, battery storage, and net metering, you can boost efficiency and reduce utility costs while achieving energy independence.
Flexible solar financing options and expert consultation make switching to this sustainable energy solution simple, affordable, and rewarding.
Trusted Solar Solutions Since 1993
Thousands of island homeowners trust Alternate Energy Hawaii to power their future with clean electricity. Since 1993, we’ve delivered reliable photovoltaic panels and innovative solar financing options to make going solar easier than ever.
From residential solar installations to community projects, our focus is helping you achieve lasting sustainable energy and greater energy independence. With decades of expertise, we continue to guide Hawaii toward a brighter tomorrow—one rooftop at a time.
Powering Hawaii’s Future with Residential Solar and Sustainable Energy
For over 30 years, Alternate Energy has helped Hawaii families and businesses embrace sustainable energy solutions with solar, HVAC, roofing, EV charging, and more—all installed by our in-house team. From photovoltaic panels delivering clean electricity to advanced rooftop energy systems designed for residential solar projects, discover why we’re consistently voted Oahu’s best in solar, air conditioning, and plumbing.
Residential and Commercial Solar Solutions That Fit Your Needs
We offer premium service combined with premium products designed to maximize solar efficiency and deliver reliable clean electricity. Whether you’re exploring residential solar or large-scale commercial solar projects, our tailored approach ensures you get the most value from your investment. With flexible solar financing options, achieving long-term savings and sustainability has never been easier.
You can claim up to 65% of your total photovoltaic system cost by utilizing State of Hawaii and federal tax credits.
Capture excess power, store it onsite and have it delivered when you need it, without exporting to the grid.
Mitsubishi Split Ductless AC systems are up to 40% more efficient than traditional HVAC systems.
In Hawaii, up to 40% of the average family’s electric bill goes toward heating water.
Let our in-house team of licensed electrical journeymen handle your next repair or renovation.
Let AEI's experienced electrical journeymen install your EV charging station.
Trusted by Local Families
At Alternate Energy, customer satisfaction is at the heart of everything we do. Read real stories from homeowners who trusted us for their solar, PV, and AC needs — and see the difference quality service, expert installation, and great value can make.
See all storiesSee What’s Powering the Change
Our Accreditations and Industry Partnerships
