How to Build a Low Cost DIY Solar Generator That Powers Your Whole House

Building a low cost DIY solar generator that can power your entire house is an ambitious but achievable goal for a home DIY project. With careful planning, sourcing quality components, and proper installation, you can harvest free energy from the sun to slash your electricity bills and gain energy independence. Here is a step-by-step guide on how to build your own low cost solar generator system to power your whole house:

Selecting the Right Solar Components

The most important factors in designing your solar generator are choosing the right solar panels, charge controller, inverter, and batteries.

Solar Panels

Solar panels convert sunlight into DC electricity. When selecting solar panels, consider these factors:

Solar Charge Controller

A solar charge controller regulates voltage and current from the solar panels to safely charge your batteries. Things to note when selecting a controller:


An inverter converts the DC electricity from the batteries into standard AC electricity used by household appliances and lighting. For your inverter:


Deep cycle lead-acid or lithium-ion batteries store energy from your solar panels. When selecting batteries:

How to Size Your Solar Generator System

Properly sizing your solar generator ensures it can meet your household electricity demands. Follow these steps:

How to Install a DIY Solar Generator

With properly sized components, you are ready to install your solar generator. Follow these key steps:

Mount the Solar Panels

Wire the System Components

Connect Batteries and Set Up Inverter

Complete Safety Checks

With proper installation and safety checks completed, your DIY solar generator can cleanly and reliably power your whole house! Monitor your system periodically and enjoy energy freedom from harvesting the sun's abundant rays.