...the City Council last week approved an ordinance requiring all single-family homes constructed in Santa Monica to achieve “zero net energy (ZNE).”

The ordinance also requires that single-family homes and "low-rise" multi-family homes be designed to use 15 percent less energy than allowed in the most recent California Energy Code. High-rise multi-family homes and non-residential projects must be designed to use 10 percent less energy than the code requires.

Read More: http://surfsantamonica.com/ssm_site/the_lookout/news/News-2016/October-2016/10_31_2016_Council_Adopts_Zero_Net_Energy_Requirement_for_New_Santa_Monica_Homes.html