This comprehensive guide walks you through every critical step of the solar installation process, from initial site assessment to final system activation. . Solar projects are making it easier for Americans to choose solar energy to power their homes. Department of. . Installing solar panels yourself can save you thousands of dollars while giving you more control over your renewable energy system. You can easily set up a DIY solar system if you're comfortable with basic construction, running power tools, and electrical wiring. According to NREL's 2021 Solar Industry Update report, national solar installers charge more than $4 per watt for a full-service installation.