Solar ROI Calculator for Kailua, HI

Stop guessing. See exactly how much the 30% Federal Credit saves you in 96734.

Calculate Savings for Kailua (96734)

$150

Fetching NREL Solar Data for Kailua...

25-Year Savings

$57,563

Break-Even

3.4 Years

Net Cost

$6,231

Get 3 Official Quotes for 96734 →

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Is Solar Worth it in Kailua?

Homeowners in Kailua sit in the "Solar Sweet Spot." You have high electricity rates (41.8¢) combined with excellent southern sun exposure. This combination maximizes ROI faster than almost anywhere else in the country.

Homeowners in Kailua are currently paying an average of 41.8 cents per kWh. Solar is a "No-Brainer" investment in Hawaii right now. With a payback of under 5 years, the returns drastically outperform the S&P 500 average.

With the Federal Solar Investment Tax Credit (ITC) currently set at 30%, a typical 6kW to 10kW residential system in the 96734 area can typically pay for itself in just 4.5 to 9 years. After this "break-even" point, your system generates effectively free electricity for the remainder of its 25-year lifespan.

Key Kailua Statistics

  • Avg Rate: 41.8¢ / kWh
  • Sun Exposure: High (Southern US)
  • Est. Payback: 4.5 Years
  • Incentive: 30% Federal ITC

State Incentives for HI

Beyond the federal credit, residents of Kailua should check for local net metering policies offered by their specific utility provider. These policies determine how much you get paid for sending excess energy back to the grid.

Frequently Asked Questions in Kailua

Is solar worth it in Kailua, HI?

Yes. With electricity rates in Kailua currently averaging 41.8 cents/kWh, most homeowners see a break-even point between 6-9 years. This is significantly better than the national average.

Does the 30% Tax Credit apply to residents of HI?

Absolutely. Homeowners in Kailua are eligible for the 30% Federal Investment Tax Credit (ITC). This is a dollar-for-dollar reduction in the income tax you owe.

How long do solar panels last?

Modern tier-1 solar panels are warrantied for 25 years but often last 30+ years. Our calculator accounts for a 0.5% annual degradation in efficiency.

What is Net Metering?

Net metering allows you to sell excess electricity back to the grid. Policies vary by utility company in your area, but it is a key factor in maximizing ROI.

Methodology: How We Calculated This

  • Irradiance: NREL PVWatts® V8 API data for coords 21.4022, -157.7394.
  • Escalation: Conservative 2.5% annual utility rate increase.
  • Degradation: 0.5% annual panel efficiency loss.

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