California's Title 24 energy code requires many newly constructed detached ADUs to include solar, but important exemptions may apply depending on the project type. This guide explains when solar is required, which ADUs qualify for exemptions, and how solar system sizing is calculated under the latest regulations. Homeowners planning an ADU can use this information to avoid costly comp... https://uspowersolar.com/blog/california-adu-solar-requirements-title-24