The mandate is aimed at reducing california s overall greenhouse gas emissions.
California to require solar panel.
The california solar mandate is part of an initiative by the california energy commission to have at least 50 of the state s energy produced from clean energy sources by 2030.
But now a dramatic expansion is about to begin as new building codes take effect jan.
The law requires all new homes to have solar panels.
By now you might have heard that california passed a law requiring all newly built homes to be equipped with a solar power system.
A new california law set to take effect in 2020 is expected to make the price of new homes in the state thousands of dollars more expensive.
California becomes first state to require solar panels on new homes the vote by the california energy commission again puts the state at the forefront of government controls over climate warming.
The recommended energy efficiency standards will be added to building regulations and requirements at some point this year.
The california energy commission approved a plan in a 5 0 vote requiring all newly constructed homes to have rooftop solar going into effect in 2020.