What’s New in CLTC’s Project Portfolio

Published: Mon, 11/23/2015
Energy-Efficient Lighting System Evaluations for Commercial Applications

The potential to reduce energy consumption in existing and commercial buildings is enormous. On average, 30% of the energy used in commercial buildings is wasted, according to the U.S. Environmental Protection Agency. Lighting has a large potential for energy savings for any U.S. building end use, with a significant fraction of that potential coming from lighting controls.

Energy-Efficient Lighting Systems Evaluations for Commercial Applications

CLTC, in partnership with Southern California Edison, recently kicked off a new project portfolio to assess controls, lighting, and daylighting technologies and their potential for commercial applications. The new projects will have elements of market assessment, EM&V, and selected demonstrations.

The project focus is on evaluating the following technologies:

Core Concepts


LD+A— Core sunlighting is a practical, natural alternative for interior illumination deep within a building. Unlike other solar technologies, core sunlighting involves capturing sunlight at the building envelope, concentrating it, transporting it and regulating its release deep within the building at useful indoor lighting levels, typically only 1 percent of outdoor illumination. Significant electrical energy savings can be realized if the system incorporates automated electric lighting controls that substantially dim or completely turn off the electric lights.

UC Davis Undergraduate Daylighting Design

UC Davis Undergraduate Daylighting Design

Classes led by Professor Konstantinos Papamichael

California Lighting Technology Center Co-Director Konstantinos Papamichael teaches two complimentary undergraduate daylighting courses, Daylighting and Interior Design (DES137A), and Daylighting Design Studio (DES137B). Both courses combine lectures and studio work.  DES137A focuses on the effects of daylighting on interior designs, while DES137B concentrates on the effects of interior designs on daylight performance.


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