The Santa Monica City Council voted last week to approve an ordinance requiring all new single-family construction in the city to be zero-net energy (ZNE), the first of its kind in the world. This means that projects in the city must generate enough of their own energy from renewable sources to equal what they take from the power utility over the course of a year.
The ordinance now goes to the California Energy Commission (CEC) for approval, and continues the city’s long history of adopting local requirements, and providing resources to the community, that take a global lead in advancing the transition to high performance, green buildings. There are various definitions for ZNE buildings but Santa Monica is adopting the definition used in the 2016 California Green Building Standards Code (CALGreen). According to CALGreen, a ZNE building is one where the value of energy produced on-site by renewable energy resources is equal to the value of the energy consumed annually by the building.
In 2008, the California Public Utilities Commission (CPUC) adopted California’s first Long Term Energy Efficiency Strategic Plan, which presented a roadmap for all California buildings to be ZNE. The roadmap committed California to requiring all new residential construction achieve ZNE by 2020 and all new commercial construction achieve ZNE by 2030.
With this new ZNE ordinance, Santa Monica is the first city in California to adopt a ZNE ordinance, leading the State to ensure new construction meets the most energy-efficient, cost-effective standards in the industry.
“Santa Monica is proud to take a global lead in zero net energy building standards that put the State’s environmental policy to action. Council's adoption of this new ordinance reflects our city's continued commitment to the environment,” says Mayor Tony Vazquez. “ZNE construction, considered the gold standard for green buildings, is a major component that will help us reach our ambitious goal of carbon neutrality by 2050.”
In addition to ZNE for single family homes, the Santa Monica ordinance also requires non-residential construction be designed to use 10% less energy than required by the 2016 California Energy Code.
The Update to the Santa Monica Municipal Green Building Ordinance states:
• SINGLE FAMILY/DUPLEXES/LOW-RISE MULTI-FAMILY DWELLINGS shall be designed to use fifteen percent (15%) less energy than the allowed energy budget established by the 2016 California Energy Code, and achieve and Energy Design Rating of Zero.
• HIGH-RISE MULTI-FAMILY DWELLINGS and NON-RESIDENTIAL, HOTEL, MOTEL shall be designed to use ten percent (10%) less energy than the allowed energy budget established by the 2016 California Energy Code.