"California may soon become the first state in the nation to require that virtually every new home be equipped with solar panels." (source: San Francisco Chronicle)
While the cost of construction in California is one of the highest in the nation, (not to mention the impact fees and City processing and application fees that are built into the whole process), this is in many respects a step in the right direction. Industry and supporters say "the solar mandate could add $10,538 to the cost of building a house, by the agency’s own estimate" The 'agency' in this case is the California Energy Commission. In areas where the mediam price of a home is over $1m, the "impact" may be considered rather negligible. Even still, it's another cost on top of an already expensive market.