Dale Rolph

Sizing a solar system doesn’t have to be complicated. This guide walks homeowners through how to estimate the right system size using their annual energy usage, a simple Phi-based calculation, and common oversizing rules—giving you a clear starting point before working with a professional consultant.

SolarEdge was once one of the most dominant names in residential solar, known for its optimizer technology and HD-Wave inverters. While installer adoption has slowed and questions remain about its next-generation battery strategy, SolarEdge is still a platform worth understanding—especially as the industry adapts to a post-tax-credit landscape.

Choosing a solar installer isn’t just about price—it’s about structure, long-term support, and access to the right financing. As the solar industry shifts into a post–tax credit era, understanding the difference between local installers and consulting agencies can help homeowners avoid costly mistakes and get a system designed to last.