LIGHTING UPGRADES & INSTALLATION OF ELECTRICAL SUB-METERSLocal Law 88Introduction Non-residential lighting is responsible for 18% of New York City buildings’ energy use and carbon emissions. Efficient lighting systems not only drastically reduce energy consumption, but are also low-cost and therefore pay for themselves in a relatively short period. The installation of electrical sub-meters will also allow tenants to better monitor their buildings’ electricity consumption. Requirements The City will now require all large, non-residential buildings to upgrade lighting systems to meet the ECC standards. Electrical sub-meters must also be installed in commercial tenant spaces that are over 10,000 SF. Each tenancy must have its own meter, sub-meter or share a sub-meter with other tenancies on the floor. Meters must individually measure each tenant space, and each tenant must receive a monthly statement. If sub-meters are shared, tenants must also receive notification of the percentage of space they inhabit. Deadline The lighting upgrades, installation and use of electrical sub-meters, and report filing must be completed by January 1, 2025. Regardless of changes in the ECC, compliance must only be demonstrated once: at time of the lighting upgrade. Documentation A report must be prepared by either a registered design professional, a licensed master, or special electrician certifying both that the lighting systems are updated in compliance with the ECC, and that sub-meters have been installed.
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