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California State Lottery Achieves Net Zero with CALMAC
California State Lottery headquarters size their thermal energy storage system and photovoltaic solar panels to classify new pavilion as net zero energy
Fair Lawn, N.J. – November 7, 2012 – CALMAC, a leader in energy storage systems, today announced the installation of its IceBank® thermal energy storage tanks at the California State Lottery Headquarters in Sacramento, Calif. The old, inefficient building was replaced by a new building, which now consists of retail, exhibition and office space plus a net-zero multi-purpose pavilion. It is designed to not only be energy efficient, but to meet the requirements for Leadership in Energy and Environmental (LEED) Gold certification.
Sustainable features of this new facility include a photovoltaic system, thermal energy storage, daylight harvesting, window glazing, radiant floor and green roof areas. Interface Engineering worked with CALMAC and Trane, a leading global provider of indoor comfort systems and solutions and a brand of Ingersoll Rand, to upgrade the central utility plant, which produces cold water to feed all the buildings on the campus.
The thermal energy system and photovoltaic (PV) solar panels are also sized to classify the pavilion as a net zero energy building. This means the pavilion uses no more energy than is provided by its on-site renewable energy sources. At night, ice is made using energy from the grid. During the day, PV produces energy, which offsets the night-time energy. Excess energy is utilized to offset energy consumption in the rest of the building. This use of distributed energy storage and solar energy is especially noteworthy because the State can rent out the conference spaces in the pavilion to generate revenue while its use of day-time energy costs nothing.
“The focus of the State was on energy efficiency that was fiscally responsible,” said Mike Stanton, Interface Engineering. “Besides helping meet targets for modeling energy efficiencies that beat CA Title 24, the pavilion was also net zero and helps supply renewable energy to the rest of the building.”
“Net zero energy is a building market transformation that will eventually be a requirement. In California, for example, buildings will need to be self-sufficient by 2030,” said Mark MacCracken, CEO of CALMAC. “Building owners should prepare to use less energy and generate the rest. Distributed energy storage helps with this preparation by working with renewables to help buildings operate more efficiently.”
CALMAC Manufacturing Corporation is transforming how energy is used at buildings to the time energy is used. Widely recognized for promoting peak energy conservation and energy cost savings CALMAC is a member of the U.S. Green Building Council (USGBC) and the California Energy Storage Alliance (CESA). CALMAC is the manufacturer of IceBank® Energy Storage equipment, with over 4,000 Ice Storage installations worldwide. IceBank systems are a valuable component of the smart grid, enabling energy, including renewable wind energy that mainly blows at night, to be efficiently stored for use during periods of high demand.
About Ingersoll Rand
Ingersoll Rand (NYSE:IR) advances the quality of life by creating and sustaining safe, comfortable and efficient environments. Our people and our family of brands—including Club Car®, Ingersoll Rand®, Schlage®, Thermo King® and Trane® —work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables; secure homes and commercial properties; and increase industrial productivity and efficiency. Trane solutions optimize indoor environments with a broad portfolio of energy efficient heating, ventilating and air conditioning systems, building and contracting services, parts support and advanced control. Ingersoll Rand is a $14 billion global business committed to a world of sustainable progress and enduring results. For more information, visit ingersollrand.com or trane.com.
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