All newly constructed residential structures in California are obligated to get solar panels put in as a way to lower carbon emissions and promote renewable energy. Energy credits are awarded to homeowners at a amount of seventy five% less than their prior payments. NEM3 is shorthand for that 3rd version https://share.evernote.com/note/ca6d322a-b898-7a0d-45f4-001d07dc0b8c