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Advanced Lighting Control Options That Can Be Used to Achieve Energy + Atmosphere Points for LEED V.4. by Craig DiLouie

Version 4 of the popular Leadership in Energy & Environmental Design (LEED) green building rating system is expected to be released at Greenbuild in November 2013. Final balloting to approve the new LEED version is expected to occur in June, so we don’t know exactly what will be contained in the new rating system. One thing is almost certain, which is that the prerequisite for the Energy + Atmosphere section will change from the 2007 to the 2010 version of the ASHRAE/IES 90.1 energy standard, which is the national energy reference standard. This standard is expected to be tough to beat in terms of both lighting power densities and controls.