With two grid-scale batteries newly in place, Arizona Public Service is learning the elements of energy storage operation that you can’t read in a book.
The utility is using the pair of 2-megawatt/2-megawatt-hour lithium-ion battery systems from AES to test how the technology performs in the desert climate of the greater Phoenix area, where summer temperatures routinely crest 100 degrees Fahrenheit.
The Advancion systems have been inserted into a distribution grid that has seen rapid uptake in distributed solar generation as a result of the Solar Partner Program, which places APS-owned PV modules and smart inverters on customer homes.
