California has some complicated energy requirements, so a lot of homeowners ask us what their solar requirements are when they are planning and budgeting a potential Accessory Dwelling Unit (ADU).
According to Title 24, newly built, non-manufactured, detached ADUs will generally need to install solar panels if the local agency is enforcing the prescriptive energy requirements in California’s state code.
On the other hand, manufactured units, garage conversions, and attached ADUs generally won’t be required to install solar panels.
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