• Viranchi,

We did not plan to have solar. Can we remove the solar power system requirement from the Title 24?

Per the new 2019 energy code, all new residential constructions are required to have a solar power system. If the permit for the new residential construction is applied post 1st Jan 2020, the city would want it to comply with the new 2019 energy code. The only time we can claim exemption from the solar power requirement is if any of the below requirements are met. The new energy code does allow any upgrades to the envelope, mechanical or plumbing systems of the project to offset the solar power requirement. Both are mutually exclusive in this requirement.

  • There is insufficient solar exposure on the roof (< 80 SF) due to exterior sharing such as trees, hills, adjacent man made structures

  • If the building is a fire rebuild. This exemption is available only in some cities

In the case of ADUs as well, all newly built detached ADUs are considered as new constructions and require the solar power system. However, any attached ADU or any ADU conversion (attached or detached) is considered an Addition does not trigger the solar power system requirement.

Further Reading: Is my ADU an Addition or a New Construction? Hence, would it require to have solar?

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