Solar energy for Hawaii homes

Solar Panels for Homes on Oahu

Independent Energy Hawaii is a locally owned solar company based in Honolulu that installs home solar and batteries across Oahu. On Oahu, home solar costs about $20,000 for 5 kW up to about $46,000 for 15 kW before incentives. An 8 kW system with one Tesla Powerwall 3 costs about $42,000-43,000.

Most Oahu installs take about 1-2 months from signing to turn-on, mainly waiting on City and County of Honolulu permits and Hawaiian Electric approval. To get started, request a free estimate or call 808-460-6015.

What solar costs on Oahu

System sizeSolar onlySolar + 1 Powerwall 3
5 kW$20,000-$21,000$33,000-$34,000
8 kW$29,000-$30,000$42,000-$43,000
10 kW$34,500-$35,500$47,500-$48,500
12 kW$38,000-$40,000$51,000-$53,000
15 kW$44,000-$46,000$57,000-$59,000

Cash prices before incentives, based on an asphalt shingle roof with no electrical upgrades. Every new install includes the first year of SolarServe Standard monitoring and service and up to 30 years of coverage through Solar Insure, and a prepaid lease can cut about 30% off the upfront price. See the full breakdown, add-on costs and total cost of ownership on our Hawaii solar cost page.

How long an Oahu install takes

Most Oahu homes go from signed contract to system on in about 1-2 months. That includes design, the City and County of Honolulu permit, Hawaiian Electric approval, installation (usually just a few days on site) and final inspection. Permitting varies by home, so this is a typical range, not a guarantee. Townhomes and HOA properties can take longer.

How to get started

Call (808) 460-6015 or request a quote online. Get a no-hassle estimate, site unseen. We confirm your flat-price proposal after a quick site survey, then move straight into permitting.

Where we install on Oahu

We install island-wide, including Honolulu, Kaimuki, Hawaii Kai, Kailua, Kaneohe, Pearl City, Aiea, Mililani, Ewa Beach, Kapolei, Waianae and the North Shore.

Why Oahu homeowners choose Independent Energy Hawaii

  • Locally owned, with our office in Honolulu at 1580 Makaloa St #1210

  • NABCEP-certified, Tesla Premier Certified Installer and certified Enphase installer

  • 2,000+ installations and 300+ five-star Google reviews

  • Up to 30 years of coverage through Solar Insure

  • Service after the sale through SolarServe, even for systems we didn’t install

Ready to see your numbers? Get a free estimate or call 808-460-6015.

Vog, dust and salt on Oahu solar panels

Vog, dust and salt can lower solar production over time. We recommend panel washing twice a year, more often near the ocean or coast. Cleaning needs depend on your property and exposure; production changes vary by system and conditions.

Vog is especially relevant on the Big Island. Maui and Oahu can also periodically experience vog during Kona winds, when winds shift away from the usual northeast trades and can carry volcanic haze toward the other islands.

Explore panel washing or SolarServe care. Plan inclusions vary; extra washing beyond your plan is separate.

Frequently Asked Questions

Who installs solar panels on Oahu?

Independent Energy Hawaii is a locally owned, Honolulu-based company that installs home solar and battery systems across Oahu.

How much does solar cost on Oahu?

Home solar on Oahu costs about $20,000 for 5 kW up to about $46,000 for 15 kW before incentives. A Tesla Powerwall 3 battery adds about $13,000.

How long does it take to get solar on Oahu?

Most Oahu installs take about 1-2 months from signing to turn-on. The work on your roof usually takes just a few days.

See what works for your home

No-hassle estimates, site unseen. Your proposal is confirmed after a site survey.

Get your free estimate