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The Value of DOD Installation Energy Management Control Systems (EMCS) and Command Centers for Improved Operations and I

The Value of DOD Installation Energy Management Control Systems (EMCS) and Command Centers for Improved Operations and Increased Energy Efficiency. Moderator: Mark Duszynski, VP Johnson Controls Federal Systems. 7 Aug. 2012.

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The Value of DOD Installation Energy Management Control Systems (EMCS) and Command Centers for Improved Operations and I

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  1. The Value of DOD Installation Energy Management Control Systems (EMCS) and Command Centers for Improved Operations and Increased Energy Efficiency Moderator: Mark Duszynski, VP Johnson Controls Federal Systems 7 Aug. 2012

  2. Significantimprovements in energy efficiency are occurring at selected DOD installations through the effective integration of EMCS • Innovative installation energy managers are applying the technology of sophisticated controls networks to drive down energy consumption and utility costs • The ability to create “command and control” of critical installation infrastructure (power production, HVAC systems control, water systems, SCADA, etc.) is improving operations and clearly strengthening the support of the missions based at these locations • The opportunity exists to extend these professional practices to more locations throughout DOD • Most of the capital expense of installing new, or modernizing existing, EMCSs to the levels of capability needed to affect these energy efficiency improvements is recovered through reduced utility bills in less than three years • In this session we have the opportunity to hear about the best practices and master plans from two successful installation energy managers. • Our hope is that hearing these success stories will compel you to implement similar projects at your locations, or develop the policies that support such efforts.

  3. Energy Monitoring and Control System (EMCS) Network Integration Diagram

  4. EMCS Command Center – Typical Operator Screens Mainside

  5. EMCS Command CenterInstallation Sector

  6. EMCS Command CenterSingle Building Control

  7. EMCS Command CenterAir Handling System Control

  8. EMCS Command CenterChiller Plant Control

  9. There are many ways the effective integration of EMCS improves energy efficiency • Better demand and load control means… less energy use overall which means… less total energy needed • EMCS provides the tools to allow engineers to optimally match supply to actual demand in real time • Accurate programming of individual loads leads to increased energy conservation • Energy management systems generally employ less intrusive, and more selective control measures (e.g. raise setpoints a couple degrees rather than shutting off AC completely) • Helps protect mission-critical operations while reducing demand from less important loads • Can serve as a backup for microgrid controllers

  10. Demand control of large loads (HVAC, lighting, chilled water, etc.) and modernized operations save energy $$ • 45% of total building energy use from HVAC equipment1 • Chilled-water systems realizing significant energy savings from technologies already introduced • Variable speed (compressors, pumps, fans) • Magnetic bearings – high efficiency chillers • ECM and PM motors • Central Plant Optimization (CPO) • New technologies expected to drive further reductions • Chilled beam w/DOAS (dedicated outside air system) … 14%2 • Simultaneous heating/cooling chiller/heat pump … 15%3 Package Unit Chiller Heat Pumps DOAS Chilled Beam Note:1) US commercial building stock at 90.1-2004 2) Applies to chiller portion of building stock 3) Applies to air-cooled chiller portion of building stock

  11. Benefits of Energy Management and Control Systems • Energy savings ~15% (of HVAC) • Incremental hardware & software • Sensors - CO2, occupancy, photo, metering, etc. • Advanced controls – energy efficiency, analytics, ADR, monitoring, reporting, etc. • Connectivity (between devices and across buildings) • Cloud based applications (future) • Pervasive connectivity … ~10% additional savings • Enterprise integration, smart grid, renewables, energy storage, etc. Connectivity Applications Integrated cloud-based architecture Existing BAS Smart electrical distribution Smart security components Smart equipment Sources: 1) Building Energy Management Systems 2) Pike Research, 4Q10; other sources

  12. Frequency (Hz) Projected energy savings through the modernization of EMCS at DOD installations Total HVAC energy use 31.7 31.7 Total Pervasive Connectivity kBTU/ft2 Building Energy Management Control Systems EMCS I Integrating HVAC, security, fire and lighting sub-systems EMCS II Advanced energy management controls with monitoring, analytics, ADR Pervasive Connectivity Enterprise integration of individual EMCS

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