AVISTA CORP

Avista Corporation operates as a diversified electric and natural gas utility serving customers across the Pacific Northwest and Alaska. The company provides electricity distribution and transmission services in eastern Washington, northern Idaho, and parts of Oregon and Montana, while also offering natural gas distribution in northeastern and southwestern Oregon. Through its generation portfolio, Avista produces electricity via hydroelectric, thermal, wind, and solar facilities across its service territories.

The company's operations are organized into two segments. Avista Utilities comprises the primary business, delivering both electric and natural gas services across multiple states and generating power from owned facilities. The Alaska Electric Light and Power Company segment provides standalone electric utility services to Juneau, Alaska. As of year-end 2025, Avista supplied retail electricity to approximately 429,000 customers and retail natural gas services to approximately 386,000 customers, with an additional 17,600 receiving electrical energy in Alaska.

Avista's generation infrastructure includes five hydroelectric facilities with combined capacity of 102.7 megawatts and four diesel generators totaling 107.5 megawatts. Beyond its core utility operations, the company maintains investments in venture funds, real estate, and other assets. Incorporated in Washington in 1889 and headquartered in Spokane, Avista operates across a geographically dispersed region spanning the Pacific Northwest and Alaska.