California’s 2019 lighting standards and regulations went into effect January 1, 2020. The 2019 changes include updates to both the Appliance Efficiency Regulations and Building Energy Efficiency Standards.

The California Lighting Technology Center developed a series of resources to identify and explain the new changes:

For a deeper dive into lighting quality, read CLTC Director Michael Siminovitch’s white paper on California Leadership Ensures High-Quality LED Lamps are Available to Consumers.