SAN JOSE—Pairing Tesla's Powerpack battery witha 350 kW commercial rooftop photovoltaic (PV) system will cut abuilding's total energy costs by 80 to 95%. SprigElectric is now among the first electrical contractors inthe nation to install the Powerpack battery at its corporateheadquarters in San Jose to optimize energy savings. Both rebatesand tax credits are available to Sprig for the battery systempurchase.

The components of the system include 1,177 solar panels that arespread over 20,000 square feet of the building's rooftop. The500kWh/250 kW Tesla Powerpack battery system is installed in theSprig Electric parking lot and is connected to the grid and the PVsystem. In addition to five 100 kW Powerpack commercial batteries,the system includes a 250 kW inverter and a DC combiner. Thefootprint is approximately 10 by 16 feet.

The Powerpack system maximizes consumption of on-site solarpower, avoids peak electrical charges and facilitates the purchaseof energy when it is the cheapest. It acts as an energy storagesystem for grid power and the photovoltaic system, significantlyincreasing the utility cost savings that Sprig Electric willrealize from using solar electricity alone.

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Lisa Brown

Lisa Brown is an editor for the south and west regions of GlobeSt.com. She has 25-plus years of real estate experience, with a regional PR role at Grubb & Ellis and a national communications position at MMI. Brown also spent 10 years as executive director at NAIOP San Francisco Bay Area chapter, where she led the organization to achieving its first national award honors and recognition on Capitol Hill. She has written extensively on commercial real estate topics and edited numerous pieces on the subject.