NYC's LL84-New-York-City

NYC’s LL84 Ordinance Reduces Energy Usage by 5.7% in 4 Years

NY Buildings Reduce Energy Usage 5.7% Since Benchmarking Law Enacted Energy Manager Today, June 1, 2015. Image credit: melissamahon The Energy Department has released two resources to help stakeholders analyze the energy, non-energy, and market transformation impacts of building energy benchmarking policies and programs. The first is a handbook that provides methodologies for jurisdictions to […]


Outcome-Based Energy Codes Focus on Building Performance

Since the launch of various energy codes, energy engineers have compared their proposed energy model to a baseline energy model via a “percent better than code” metric. Whether this metric is a percent energy savings or percent energy cost savings output, what significance does this value have outside of the realm of the specific code or standard under which the model was analyzed?