502nd ABW PA
James Boston III, CPS Energy manager of market intelligence, shows how one of components in the battery energy storage system works at the microgrid test site at the JBSA-Fort Sam Houston Campbell Memorial Library on Jan. 13. Powered by solar energy, the microgrid has the capability of producing energy for the library while being disconnected from the electric grid.

Photo by: Davis Dekunder |  VIRIN: 170124-F-PO640-002.JPG