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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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.




Saving Energy in NYC - It's All About Us
Curious about how you can save energy at work and contribute towards New York City’s sustainability goal to reduce greenhouse gas emissions 80% by 2050? Watch this short video featuring actor Matthew Modine and real New York City employees sharing on-the-job energy saving tips. From shutting off lights and computer monitors to unplugging electronics and using blinds to block the sun on hot days, small actions that individual employees take can add up to big results.




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


(PDFs open in new window)

2016-2017 Heating Season Guidelines
As the temperatures begin to change, please review and distribute throughout your agency the 2016-2017 Heating Season Guidelines for temperature guidelines for municipal buildings.




Innovative Solar
at Wastewater Treatment
Plants RFI Q&A

Innovative Solar at Wastewater Treatment Plants RFI Q&A

Field Equipment Lending Library
BPL Handbook Catalog