Savings Calculator
Calculate Your Hawaii Solar Savings
Estimate your 25-year solar savings including Hawaii's 35% state tax credit (RETITC) — calculated per 5 kW block — and monthly electric bill reduction. The federal residential ITC expired December 31, 2025.
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Estimates based on Hawaii average electricity rates ($0.40/kWh) and 5 hours peak sun/day. Hawaii RETITC credit is 35% of system cost, capped at $5,000 per 5 kW block. The 30% federal residential ITC expired December 31, 2025. Actual savings depend on your specific usage, shading, and installer. Consult a qualified tax professional for advice specific to your situation.