Estimated Savings for a Typical Hawaii Home
Based on a standard 8 kW home system
System Size
8 kW
Gross Cost
$32,000
State Incentive
-$5,000
Net Cost
$27,000
Annual Savings
$3,794
Payback Period
7.1 yrs
25-Year Savings
$102,583
CO₂ Offset/yr
12,465 lbs
Hawaii Solar Incentives
✕
Federal Tax Credit (Expired Dec 31, 2025)
The 30% federal Residential Clean Energy Credit ended for purchased systems on December 31, 2025. Homeowners buying with cash or a loan in 2026 can no longer claim it. A solar lease or PPA can still pass through a federal credit through 2027 — the installer claims it and lowers your payments.
$5,000
Hawaii State Incentive
Hawaii offers a 35% state tax credit up to $5,000.
Net Metering Policy: Avoided Cost
Top utility in Hawaii: Hawaiian Electric. View full incentives detail →
Solar Costs by City in Hawaii
| City | Annual Savings | Payback (yrs) | Population ↓ | Utility |
|---|---|---|---|---|
| Honolulu | $3,515 | 7.7 | 347,397 | Hawaiian Electric |
| East Honolulu | $3,995 | 6.8 | 49,914 | Hawaiian Electric |
| Pearl City | $4,303 | 6.3 | 47,698 | Hawaiian Electric |
| Hilo | $3,900 | 6.9 | 44,186 | Hawaii Electric Light |
| Kailua | $4,397 | 6.1 | 38,635 | Hawaiian Electric |
| Waipahu | $4,177 | 6.5 | 38,216 | Hawaiian Electric |
| Kaneohe | $3,404 | 7.9 | 34,597 | Hawaiian Electric |
| Mililani | $4,219 | 6.4 | 27,629 | Hawaiian Electric |
| Kahului | $4,546 | 5.9 | 26,337 | Maui Electric |
| Ewa Beach | $3,876 | 7 | 24,689 | Hawaiian Electric |
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Quick Facts: Hawaii
- ⚡ Avg rate: $0.280/kWh
- 🌞 Peak sun: 5.8 hrs/day
- 🏭 Top utility: Hawaiian Electric
- 📋 Net metering: Avoided Cost