Entries by Eric Wallace

New York City LL92 and LL94: Sustainable Rooftops

As part of the Climate Mobilization Act, and in accordance with the its greater carbon emissions reduction goals, New York City passed Local Laws 92 and 94 in April 2019, mandating the installation of rooftop solar photovoltaic systems and/or green roofs on buildings across the city. The new requirements will go into effect on November […]

Designing Solar for High Density Areas

As seen in: Spring 2018 edition of BuildingEnergy Magazine (NESEA)  August 2017 edition of Green Energy Times Humans have been trying to harness the power of the sun for millennia. The advent and popularization of photovoltaics in the latter half of the twentieth century made doing so accessible to the masses. Today, solar arrays are […]

Nanogrids: A Whole Building Approach to Distributed Energy Resources

Distributed Energy Resources Distributed Energy Resources (DERs) are a growing part of the energy landscape in the United States, and they are becoming an ever more attractive opportunity for households, companies, and building owners to gain control of their own energy needs. By 2024, it is estimated that solar PV plus energy storage will represent […]