Solar Companies in Hawaii
5.5 hrs/day
Peak Sun Hours
$0.43/kWh
Electricity Rate
$16,200
Avg. System Cost (6kW)
Hawaii has the highest electricity rates in the nation - averaging over $0.43/kWh - making solar energy an essential financial strategy for homeowners. The Aloha State's tropical climate delivers consistent sunshine throughout the year with around 5.5 peak sun hours daily.
Hawaii offers a 35% state solar tax credit up to $5,000 for residential systems. Hawaiian Electric (HECO), which serves Oahu, Maui, and Hawaii Island, transitioned from traditional net metering to Customer Self-Supply and Smart Export programs. These programs encourage solar-plus-battery installations to help manage grid stability on the islands.
Honolulu, Maui, and Kailua-Kona are the top residential solar markets. Despite higher installation costs due to island logistics, Hawaii's extraordinary electricity rates mean homeowners routinely achieve payback periods of just 4-6 years, the fastest in the nation.
Solar Incentives in Hawaii
Federal ITC: 30% tax credit on total system cost (through 2032)
Net Metering: Reduced
State Tax Credit: Yes
Hawaii offers a 35% state tax credit (up to $5,000) and has transitioned from net metering to Customer Self-Supply and Smart Export programs through Hawaiian Electric.
City-level data for Hawaii coming soon. Check back as we expand our directory.