Hawaii Solar Power & Solar Panels by Smart Energy Hawaii

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What Our Customers Say

I got my first full month's electric bill. Last year it was around $150, this past month it was $46 and it's not even summer!"
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Myron Thompson

"Smart Energy looks forward to helping you take the next step to help protect our aina"
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Solar Events

We're in and around town.

Smart Energy Hawaii is all over the island bringing Solar Energy Open Houses and more to your area.
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Welcome to Smart Energy Hawaii

Save Money, Save Energy, Save the ‘Āina! Now that's Smart!

Welcome to our new online home. We are Smart Energy Hawai‘i, a division of 21st Century Technologies. Why the name change? Well we realized just how different a company we are compared to other solar installers in Hawai‘i. Our mission is to help you be Smart when it comes to Energy for your Hawai‘i home. Smart Energy Hawai‘i is one of the Island's most experienced PV installers, but it doesn't end there. Let us help you find your path to energy independence!

Hawaii Solar Powered Services


Residential Solar There's never been a better time to invest in a solar power system for your home! Prices are low, and there's great financing available. We offer programs including no down payment, no payments and no interest for one year! more	Solar Water Heating There's a new alternative to traditional solar hot water systems that's significantly less expensive and puts you on the road to PV. Let us help you decide what's right for your home. more	Commercial Solar Here at Smart Energy Hawai‘i, we’re all about business! We know smart investments in technology flow directly to the bottom line, and we’re here to show you how to save money and lower your tax bill. more