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Researchers at Pacific Northwest National Laboratory helped develop this integrated circuit to help make home appliances more responsive to the electric grid. When installed in refrigerators, air conditioners, water heaters and other appliances, the 2.5-inch Grid Friendly Appliance Controller can recognize when there's a power grid overload -- and will switch your appliances off and back on again to help conserve that energy. The device will help consumers lower their electricity bills while helping power plants work more efficiently. Learn more about the Grid Friendly Appliance Controller here. | Photo: Energy Department.