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🦅 Hawaii Solar Panel Calculator 2025

Hawaii has the highest electricity rates in the US — solar can cut bills by 80%+.

$
$20$800+

Avg rate: $0.42/kWh · 6.5 peak sun hrs/day

Your Solar Estimate for Hawaii

2.3 kW

System Size

recommended

3.1 yrs

Payback Period

break-even

$60,095

25-Year Savings

net profit

1.7t

CO₂ Offset

per year

Estimated installation cost$7,903
US Federal Tax Credit (30% IRA)− $2,371
Net cost to you$5,532
Annual electricity savings$1,800/yr

⚠️ Hawaii has partial net metering — excess solar credits may be limited. Check with your utility.

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Hawaii Solar Facts (2025)

$0.42/kWh

Avg Electricity Rate

6.5 hours

Daily Peak Sun Hours

30% Federal Tax Credit (IRA)

Federal Incentive

Net Metering in Hawaii

Hawaii has partial net metering — you receive some credit for excess solar energy, but at a reduced rate. Factor this into your ROI calculation.

Frequently Asked Questions

Is solar worth it in Hawaii?+
Hawaii has the highest electricity rates in the US — solar can cut bills by 80%+. With a payback period calculated from local rates of $0.42/kWh and 6.5 peak sun hours per day, solar can be a strong investment in Hawaii.
What is the solar tax credit in Hawaii for 2025?+
Hawaii homeowners qualify for the federal 30% Investment Tax Credit (ITC) under the Inflation Reduction Act, valid through 2032. This means 30% of your total installation cost is deducted directly from your federal tax bill.
How long does solar take to pay back in Hawaii?+
Payback period in Hawaii depends on your monthly electricity bill, roof orientation, and system size. Use the calculator above with your actual monthly bill to get a personalized estimate based on local rates of $0.42/kWh.

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