ZERO Code for California Energy Calculator
To generate a building’s estimated energy consumption, and the renewable energy required to meet the ZERO Code for California, first elect the pathway for meeting 2019 California Building Energy Efficiency Standards (BEES) – prescriptive or performance – and then enter information about your building and any on-site solar PV system(s). Click Generate Results to view the the Estimated Building Energy Consumption and/or off-site Renewable Energy Requirements.