The General Services Administration, which manages a portfolio of almost 10,000 buildings, is using the Green Proving Ground program to test technological advances in energy efficiency.Last year, the program worked with the Lawrence Berkeley Lab to evaluate the performance of digital occupant or workstation responsive lighting systems, concluding that the new systems in the study "delivered deep energy savings, comparable, if not superior, lighting levels and increased occupant satisfaction." Depending on the building site, energy savings ranged from 27% to 63%.
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