Welcome to DEM

DCAS Energy Management (DEM) manages the energy accounts and energy efficiency initiatives for the City of New York. DEM is responsible for achieving the City's ambitious goal of reducing municipal greenhouse gas (GHG) emissions 80% by 2050, as outlined in the One City, Built to Last green buildings plan.
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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.

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2014-2015 Heating Season Guidelines
As the temperatures begin to change, please review and distribute throughout your agency the 2014-2015 Heating Season Guidelines for temperature guidelines for municipal buildings.


Winter Energy Update
Read the Winter Energy Update for important information on DEM’s current programs and initiatives, plus you can find helpful resources and information on resolving billing errors and managing utility accounts.