Proven performance
Midtown Manhattan
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1.3 million square foot commercial office building
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LEED Gold.
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Reshaped the building cooling load profile by controlling zone temperatures in one-third of the occupied space.
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Reduced HVAC peak demand by 30% and day-time energy use by 20%.
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Managed energy price/volume risk.
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Improved performance in NYISO/ConEd DR programs.
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Identified, evaluated, and implemented several energy efficiency operating improvements.
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For more, see IEEE Smart Grid.
Sears World Headquarters
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2.3 million square foot, 7 building commercial office campus.
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Reshaped the building cooling load profile by controlling 1.1 million square feet.
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Reduced the PJM capacity tag by 2.3 MW. Reduced day-time HVAC energy use by 415 MWH with a pre-occupancy charge of 100 MWh.
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Managed energy price/volume risk.
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Challenge -- 2018 was the 2nd hottest Chicago cooling season in 60 years.
Willis Tower
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4 million square foot commercial office building,
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Reshaped the building cooling load profile by controlling 13 of 96 floors, roughly 20% of the occupied space.
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Reduced peak demand by 2 MW. Reduced day-time HVAC energy use by 1,530 MWh with a pre-occupancy charge of 630 MWh.
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Managed energy price/volume risk.
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Automated participation in the PJM Economic Demand Response Program on 62 weekdays over 4 months.
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For more, see this U.S. DOE website.
Chicago Loop
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960,000 square foot commercial office building.
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LEED Platinum.
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Reshaped the building cooling load profile by controlling 11 of 51 floors, roughly 22% of the occupied space.
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Reduced HVAC monthly peak demand by 20-30%. Reduced monthly day-time HVAC energy use by up to 20%.
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Automated participation in the PJM Economic DR Program.
Chicago Loop
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800,000 square foot commercial office building.
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LEED Gold.
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Reshaped the building cooling load profile by controlling all 40 floors.
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Reduced HVAC monthly peak demand and energy use 20%.
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Implemented AHU and chiller staging strategies.