Installing solar panels on your home can reduce or even eliminate your electricity bills. With solar panel prices dropping, DIY solar panel systems are now an affordable option for many homeowners looking to go green and save money. In this guide, I will walk you through the entire process of designing, sourcing components, and installing a DIY solar panel system on your home.

Determine Your Energy Needs

The first step is to analyze your home's electricity consumption to properly size your solar panel system.

Calculate Your Monthly and Annual Electricity Usage

Factor In Future Electricity Needs

Understand Your Electricity Rates

Calculate Required Solar Array Size

Select Solar Panels

Next, research and purchase solar panels for your system.

Types of Solar Panels

For a residential DIY build, polycrystalline panels provide the best balance of efficiency and cost.

Determine Number of Panels

Purchase Panels and Racking

Obtain Remaining System Components

You will also need cables, conduit, disconnects, and other electrical components.


Batteries (Optional)

Racking, Wiring, Conduit

Rooftop Attachments

Install the Solar Panel System

With all the components and parts purchased, it's time for installation.

Mount Racking and Panels

Run Conduit and Wiring

Connect Inverter and Switchboard

Activate System

Maintain and Troubleshoot Your Solar System

It's important to properly maintain your solar system to maximize production.

Inspect Connections and Mounts

Clean Solar Panels

Check Inverter Operation

Monitor Production


Installing a DIY solar panel system takes research, planning, and some hard work, but it can pay off for many years through electricity bill savings. With a properly sized and installed system, you can generate your own renewable power for little to no electric bill indefinitely.