Avista Corporation (Avista Corp.) is an energy company engaged in the generation, transmission and distribution of energy, as well as other energy-related businesses. The Company operates in two business segments: Avista Utilities and Ecova, Inc. (Ecova). Avista Utilities is an operating division of Avista Corp. that comprises of its regulated utility operations. Avista Utilities generates, transmits and distributes electricity and distributes natural gas. The utility also engages in wholesale purchases and sales of electricity and natural gas. Ecova is an indirect subsidiary of Avista Corp. (79% owned as of December 31, 2012) provides expense management services for utility and telecom needs, as well as strategic energy management and efficiency services that include procurement, conservation, performance reporting, financial planning, facility optimization and continuous monitoring, and energy efficiency program management for commercial enterprises and utilities.