Traffic Courts TES System Reduces Energy Costs
Traffic Courts TES System Reduces Energy Costs
1 PagesTraffic Courts TES System Reduces Energy Costs Case Study Dow Industrial Solutions A thermal energy storage (TES) system installed at California’s Sacramento County Traffic Courts building allows the county to shift much of its electricity consumption to nighttime, where off-peak rates are as much as 50 percent lower. In addition, by reducing its peak hour electrical demand, the county qualifies for significant utility company rebates. The TES system uses four-inch plastic water-filled spheres, known as ICE BALLS † , and DOWFROST TM Inhibited Propylene Glycol-based Heat Transfer Fluid made by The Dow Chemical Company. At night, the ice balls are frozen solid by being bathed in a 28 percent solution of DOWFROST TM chilled to -4°C (25°F). During the day, the glycol solutio
