Solar System Installation Cost Calculator & Estimator in Long Beach, CA (2026)

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The average cost for a standard residential solar panel system installation in Long Beach, CA averages $2.85 per watt gross. After applying the 30% Federal Investment Tax Credit (ITC), the net system cost drops to $11,970 to $23,940 with an estimated payback period of 5.5 to 7.5 years.

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Save Money on Bills
Install Solar (Home)
Add Battery Backup
Charge Electric Vehicle

Who is this solar project for?

Homeowner (Residential)
Commercial / Factory

Configure Your Location & Energy Details

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Long Beach, CA
$0.18/kWh

Select Hardware & Roof Shading

Solar Panels Quality Preference:

Standard Tier 1 (Qcells)
Premium Efficiency (REC)
Economical Panels

Home Battery Storage Backup:

No Battery Backup
Tesla Powerwall 3
Enphase IQ Battery

Roof Shading & Sun Exposure:

Full Sun (No Shade)
Light Shading
Moderate Shading

Recommended Solar Decision

Solar Sizing & Payback Dashboard

System Specifications

Recommended System Size:--
Number of Panels:--
Roof Space Needed:--
Inverter Model:--

Financial Summary

Gross Cost:--
30% Federal ITC:--
Net Cost:--

Energy Savings

Monthly Savings:--
First-Year Savings:--
5-Year Savings:--
10-Year Savings:--
25-Year Cumulative Savings:--

Payback & ROI

Payback Period:--
Return on Investment (ROI):--
25-Year Net Profit:--
Estimated Property Value Gain:--

Environmental Impact (Annual Offset)

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CO₂ Reduction
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Trees Equivalents
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Cars Removed

Compare Alternative System Sizes

Compare the recommended solar sizing side-by-side with smaller and larger configurations.

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