Sustainability 101

Energy Alert:
Changes to LL84 (2009), LL133 (2016) and LL87 (2009)

Due to a glitch in data provided by utilities, New York City has pushed back the deadline for LL84 (2009) benchmarking data filing for 2017 from May 1 to December 31, 2018. LL84 (2009) requires large building over 50,000 square feet to annually measure and report water and energy consumption.

The deadline for 2017 filings for smaller buildings (between 25,000 to 50,000 square feet) under LL133 (2016) is anticipated for March 31, 2019.

Note that LL87 (2009 – Energy Audits and Retro-Commissioning) filings will require the use of new data input tools from the U.S. Department of Energy as of Jan 1, 2019.  Internal preparation for the required data submittals will benefit from review of the most accurate available SEPs (Statements of Energy Performance) generated by Portfolio Manager before August 26, 2018. Please see our alert about ENERGY STAR amendments this coming summer. In NYC, these SEPs will have been linked to data submitted to the City and ENERGY STAR under LL84 (2009).

We’re also keeping an eye on new emissions and efficiency mandates around the U.S. such as the move by California to mandate solar panels on almost all new homes.

See below for links to more information, or give us a call to learn more.

Great Forest has been recognized as a leader in benchmarking accuracy by the NYC Mayor’s office of Sustainability. Our low-cost services cover all types of operating systems and reflect a thorough knowledge of carbon accounting and utility rates. Benchmarking is provided at NO CHARGE for clients engaging our budget or sustainability advisory services. Contact

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