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The California Energy Commission has adopted a voluntary lighting quality specification for LED replacement lamps. The new standard requires LED lamps to meet certain performance criteria in order to qualify for incentive programs and rebates. These criteria include the color of a lamp’s light, its consistency over time, and its accuracy in rendering colors. The specification for incentivized LED lamps also includes requirements regarding dimming and flickering. The specification was developed in collaboration with the California Public Utilities Commission (CPUC). The CPUC will direct California’s investor-owned utilities to ensure their 2013–2014 energy efficiency portfolios only provide rebates for screw-based LEDs products that meet the quality specification developed by the California Energy Commission.