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Solar Panel Calculator

Are you looking to install solar but unsure how many solar panels are required to meet your energy goals?

Use this calculator to estimate the number of panels you need to maximize savings and take a step toward a greener, more cost-efficient future.

Have questions?

Call us today at (866) 798-4435.

How Many Solar Panels Do You Need?

3 Things You Need to Consider

The number of solar panels you need depends on three main factors: panel efficiency, your energy goals, and your budget.

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  1. 1

    Panel Efficiency

    Not all solar panels generate the same amount of electricity. GoGreenSolar offers high-performance panels that deliver power output between 335 to 405 watts.

  2. 2

    Your Energy Goals

    Whether you want to offset your energy bill partially or completely, we have solar kits to match your specific energy needs.

  3. 3

    Budget Considerations

    Your budget often determines the size of the solar system you can afford.

Solar kits sold
4.5 star average customer rating*
Years in business

Building a Bright Solar Future Since 2006

Get the Right Solar Solution for Your Home

Tap into our extensive expertise as we assist you with customizing the right solar system for you. Our goal is to help you unlock the full potential of solar power.

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  • Custom Design

    We work with you to determine the exact configurations for your custom solar system. Our solar pros use satellite technology to create solar panels that fit your home’s unique specifications. They also draft code-compliant plans that ease the approval process with your city, HOA and utility company.

  • Hassle-Free Installation

    Hassle-free installation, guaranteed. Set up your solar system with our help, or hire a licensed contractor to help you get the job done. You’ll have full control over the installation process and save thousands versus hiring a turn-key solar company.

  • Full Technical Support

    GoGreenSolar is the only solar company that provides custom installation guides, permitting assistance, utility interconnection, commission, monitoring support and warranty support.

    Plus, you will receive dedicated phone and email support from a certified solar professional.

  • 100% Money-Back Guarantee*

    We’re the only solar company to offer a money-back guarantee. If your permit isn’t approved even after following the proper steps, we’ll provide a full refund of your purchase.

    *Some exclusions applied. See Details

Save Thousands With GoGreenSolar

Unlock thousands of dollars in savings by choosing GoGreenSolar over traditional solar solutions. Our innovative approach and commitment to efficiency means you save on costs and benefit from switching to sustainable energy — an economical and forward-thinking decision.

Experience the difference in performance, savings and environmental impact with GoGreenSolar.

Get free estimate Call: (866) 798-4435


Great service, knowledgeable people!

They provided everything I needed for my DIY installation. I would definitely recommend them!

— Alex M.


One of my best investments!

It has been exciting to see electric bills go down as much as 2/3 since my solar panels were installed five months ago.

— Marian C.


Pleasurable experience!

I called to ask about their products and they were able to answer all my questions promptly.

— Patty S.

Flexible Financing Options

Your dream of a solar-powered home is closer than you think. GoGreenSolar has partnered with leading financial institutions Figure and LightStream to offer you the financial support you need. Whether you prefer a HELOC or an unsecured loan, our partners provide choices to help you harness the power of the sun without breaking the bank.

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Frequently Asked Questions

How many solar panels does an average house need?

The average U.S. home needs 20 to 30 solar panels to offset 100% of its electricity bill. However, results vary depending on factors like household energy usage and geographic location.

What is the ideal number of solar panels?

The ideal number of solar panels depends on factors such as panel efficiency, energy goals and budget considerations. Using a solar calculator can help determine the optimal quantity based on individual needs and preferences.

Can you have too many solar panels?

Choosing the right number of solar panels is crucial for both energy production and long-term savings. Installing too few panels may lead to underpowered energy generation for your home, while an excess may result in an unnecessarily expensive system.

What else do I Need besides solar panels?

Beyond solar panels, a comprehensive solar energy system includes inverters, racking and mounting hardware, a monitoring system, and solar batteries for energy storage. These additional parts play a crucial role in ensuring a successful and efficient solar installation.



Fill out the form for a complimentary solar quote that includes a custom satellite layout, system design and a breakdown of total project cost and estimated savings.