They require all new single family homes along with new multifamily residences up to three stories tall like condominiums to be constructed with solar panels on their roofs or powered by a.
Mandatory solar panels.
Starting january 1st 2020 virtually all new homes built in california will be equipped with solar panels.
The energy commission voted in may 2018 to require that most new single family homes as well as multifamily residential buildings up to three stories be built with solar panels.
The law requires all new homes to have solar panels.