1. Understand Your Strengths and Weaknesses. Nearly everyone knows about solar energy, but not as many individuals and companies have used solar panels to power their homes or businesses, making it essential for solar designers and installers to get the word out about the benefits of switching to solar energy. One of the best ways to stay current is to focus on small-business marketing strategies. For solar designers and installers, there are a number of ways to establish a brand and strengthen business.