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University of California Library Wins Two Awards Using Leviton LEVNET RF Energy Harvesting Wireless Lighting Controls

University of California Santa Cruz’s (UCSC) Science and Engineering Library is one of two campus libraries that serve over 16,000 students. The school was concerned that existing lighting was fully activated in the morning and remained on until the cleaning staff left nearly 20 hours later, leading to daily energy waste. Occupancy of the building varied greatly day by day and did not follow a reliable pattern. Facing time constraints and the potential high cost of conventional wired technologies, the energy team chose to utilize Leviton’s LevNet RF products using EnOcean’ s energy harvesting technology to achieve their energy goals.

The LevNet RF receivers were paired to wireless occupancy sensors and light sensors that control the updated and more efficient T8 light fixtures. The wireless light sensors control all perimeter lighting fixtures adjacent to windows and takes advantage of daylight harvesting. When there is an abundance of ambient lighting, these sensors will keep the lights off resulting in greatly reduced energy waste. The lighting upgrade at UCSC, combined with the introduction of Leviton occupancy sensors, reduced energy consumption by 50 percent in the facility representing an anticipated $48,000 annually savings in energy costs. The university was also able to make use of an energy rebate incentive for the replacement of the inefficient T12 light fixtures and an additional incentive was given for the occupancy and light sensors that further reduced the project cost. The project was also given the “Best Practice Lighting Award” at the 2011 California Higher Education Sustainability Conference.

“We are very excited to have our LevNet RF wireless lighting control used in this award winning and innovative project,” said Richard Westfall, Vice President and General Manager for Leviton’s Lighting & Energy Solutions. “Energy conservation has never been more important, from both an environmental and economic perspective”.

The EnOcean Alliance, a 250-member consortium of companies working to standardize and internationalize energy harvesting wireless technology for green intelligent buildings, has awarded the University of California Santa Cruz (UCSC) with its prestigious “Wireless Innovation Project of the Year” award. The award is designed to promote innovation and increase implementation of wireless energy harvesting green intelligent building technology.

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