Solar Panel Costs in Hawaii (2026)
Avg cost: $3.30/watt | 5.3 sun hours/day | Very Good
Hawaii Solar Overview
$3.30/W
Cost Per Watt
5.3 hrs
Peak Sun Hours
2,400 MW
Installed Capacity
Very Good
Solar Rating
A typical 7 kW residential system in Hawaii costs $34,650 before the federal tax credit and $24,255 after. With 5.3 peak sun hours per day, the system produces approximately 10,833 kWh annually, saving an estimated $1,733/year. The payback period is approximately 14 years.
Net Metering in Hawaii
Customer Self-Supply (CSS) and Smart Export programs
State Incentives & Tax Credits
Federal ITC (30%)
Save $10,395 on a 7 kW system. Available through 2032.
Hawaii State Incentive
State tax credit of 35% for systems (cap of $5,000); GreenSun Hawaii financing
Solar Service Costs in Hawaii
| Service | Low | High | HI Avg |
|---|---|---|---|
| Residential Solar Installation | $22,500 | $45,000 | $33,750 |
| Commercial Solar Installation | $75,000 | $300,000 | $150,000 |
| Battery Storage Installation | $7,500 | $22,500 | $15,000 |
| Solar Panel Removal | $2,250 | $7,500 | $4,500 |
| Solar Panel Cleaning | $225 | $900 | $450 |
| Inverter Replacement | $1,500 | $5,250 | $3,000 |
| Solar Roof Tiles | $60,000 | $112,500 | $82,500 |
| Solar Water Heater | $4,500 | $10,500 | $7,500 |
Top Solar Installers in Hawaii
- Haleakala Solar
- RevoluSun
- Hawaii Energy Connection
- Sunrun
Always verify NABCEP certification, state licensing, insurance, and customer reviews. Get at least 3 written quotes.