Avista Corp. is a holding company, which engages in the electric and natural gas utility businesses. The company is headquartered in Spokane, Washington and currently employs 1,950 full-time employees. Its segment includes Avista Utilities and AEL&P. The Avista Utilities segment comprises regulated utility operations in Washington, Idaho, Oregon and Montana. The company engages in electric distribution and transmission, and natural gas distribution services in parts of eastern Washington and northern Idaho. The company also provides natural gas distribution service in parts of northeastern and southwestern Oregon. Additionally, it supplies electricity to a small number of customers in Montana. Avista Utilities also engages in wholesale purchases and sales of electricity and natural gas as an integral part of energy resource management and its load-serving obligation. The AEL&P segment is a regulated utility providing electric services in Juneau, Alaska that is a wholly owned subsidiary and the primary operating subsidiary of AERC.