Welcome to DEM

DCAS Energy Management (DEM) manages the energy accounts and energy efficiency initiatives for the City of New York. DEM is also responsible for implementing programs and projects to support reducing greenhouse gas (GHG) emissions from municipal buildings and operations 80% by 2050, as outlined in the One City, Built to Last green buildings plan.
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This Is DEM
New York City has pledged to be the most sustainable big city in the world, and the local government is leading by example. All across the city, in every agency, the DCAS Division of Energy Management is working to make our public buildings models for sustainability.




The City of New York: Bringing Solar Power to Government Buildings
Buildings are responsible for nearly three-quarters of all carbon emissions in New York City. By installing 100MW of solar power by 2025, Energy Management is leading the effort to supply clean and renewable energy for New York City government operations, and transforming our public buildings for a low-carbon future. Learn more about our Clean Energy Program here.




For Agency resources such as energy forms, schedules and other important documents, please click here.


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2017-18 Heating Season Guidelines
As the temperatures begin to change, please review and distribute throughout your agency the 2018 Heating Season Guidelines for temperature guidelines for municipal buildings.

The City's heating season runs from October 1st to May 31st.



BOC Maintenance of Certification Fair 2018
BOC Maintenance of Certification Fair 2018

Field Equipment Lending Library
BPL Handbook Catalog