MINNETONKA, Minn.--(BUSINESS WIRE)--Siemens has developed and implemented energy market management software to support the operation of the growing western Energy Imbalance Market (EIM). The real-time EIM was launched by the California Independent System Operator Corporation (ISO) in November 2014 and allows utilities across a broad footprint to more efficiently exchange and share energy resources, including renewables like wind and solar, based on generation and demand needs. Siemens software