California is the first state in the country to do so.
Mandatory solar panels.
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.
Starting january 1st 2020 virtually all new homes built in california will be equipped with solar panels.
As it stands now just 15 to 20 percent of california homes are equipped with solar panels but on wednesday the california energy commission voted in favor of new solar standards mandating that solar arrays be included on all new single family homes and multi family structures up to three stories.