Bi-level Switching in Office Spaces Project Report


The primary objective of this study is to quantify the energy use in private offices that are equipped with bi-level switching and occupant controls. The baseline comparison is made to a theoretical case where the occupant has no control over their lighting and it is switched on and off solely by an occupancy sensor. In addition, this study looks closely at the possibilities for combining automatic and manual control to achieve the greatest energy savings and user satisfaction.

2009 Advisory Council Report


The CLTC’s objective is to produce a group of products, technologies, and knowledge that meets PIER goals of improving energy cost and value by developing energy-efficient lighting technologies and bringing them to market through research, development, outreach, and technology transfer activities. Twenty-four projects are listed in the new agreement, including topics in daylighting, solid-state lighting, and market transformation. This report gives abbreviated summaries of these projects.

CA Energy Efficiency Strategic Plan: Lighting Chapter


Lighting accounts for approximately 25 percent of California’s energy use, making energy-efficient lighting technologies a vital part of the state’s strategy for meeting its legislated climate goals. The Lighting Action Plan details the lighting portion of the California Energy Efficiency Strategic Plan, a comprehensive roadmap outlining solutions for reducing California’s energy consumption.

NEAA Study: Technology & Market Assessment of Networked Outdoor Lighting Controls


This study focuses on controls systems designed for street and parking lot lighting applications. These systems provide tools to manage and monitor city-wide streetlight assets remotely, including the potential to meter actual street lighting energy use. Networked controls that offer dimming capability can also provide energy savings through adaptive street lighting management, the practice of reducing lighting power and output as conditions change over time.

Max Tech and Beyond: Maximizing Appliance and Equipment Efficiency by Design


This project examined energy end-uses in the residential, commercial, and in some cases the industrial sectors. The analysis attempts to consolidate, in one document, the energy savings potential and design characteristics of best-on-market products, best-engineered products, and emerging technologies in research & development. 

SCE Smart Corridors: Bi-level Lighting for Office Applications


The objective of the Smart Corridor project is to quantify the potential energy savings in corridor lighting by implementing bi-level lighting technologies in commercial spaces such as office, hospitality, and educational buildings while also evaluating the market potential for the bi-level lighting strategy. The energy savings data gathered from this project is crucial to the large-scale implementation of bi-level strategies, as it will support the inclusion of bi-level lighting practices for secondary spaces in utility incentive programs and, eventually, building code language.

CLTC: Smart Corridor Lighting


This demonstration project consists of a one-to-one retrofit of existing fluorescent luminaires with either new fixtures or new components for three corridor areas in Bainer Hall. This project is intended to demonstrate the energy savings that can be achieved by using occupancy-based controls for interior corridor applications. 

CLASP Analysis of Background Illuminance Levels During Television Viewing


Televisions account for a growing portion of residential energy use worldwide. In the U.S. alone, TVs consume approximately 50 billion kWh of energy each year. Energy efficiency standards and labeling (S&L) programs, including the EPA’s ENERGY STAR program, have saved significant energy; now the Department of Energy is developing a federal test procedure to measure the energy efficiency of various television sets.

In support of these efforts, CLTC partnered with the Collaborative Labeling & Appliance Standards Program (CLASP) to conduct a field study of typical background lighting levels during in-home TV viewing. Data collected through the study—based on a diverse sample of 60 homes, 30 in Sacramento and 30 in the Washington, D.C. area—will enable ENERGY STAR, the DOE, and other regulatory entities to measure the energy consumption of TVs when the automatic brightness control (ABC) feature is engaged in a way that more accurately reflects actual use.


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