IDACORP provides the generation, transmission, distribution, purchase, and sale of electric energy in the United States. The company operates 17 hydropower generating plants located in southern Idaho and eastern Oregon.
Its portfolio also includes three natural gas-fired plants situated in southern Idaho interests in a coal-fired and natural gas-fired steam generating plant located in Wyoming, and interests in a coal-fired steam generating plant situated in Nevada. As of December 31, 2025, it had approximately 4,730 pole miles of high-voltage transmission lines.
Its portfolio also includes 23 step-up transmission substations located at power plants, 21 transmission substations, 12 switching stations, 31 mixed-use transmission and distribution substations, 188 energized distribution substations, approximately 30,020 linear miles of distribution lines, and a capacity of 1,228 MWh of battery storage.
The company provides electric utility services to approximately 664,000 retail customers in southern Idaho and eastern Oregon. The company serves commercial and industrial customers, which involved in food processing, electronics and general manufacturing, agriculture, health care, government, education, and information technology. It also invests in housing and real estate tax credit investments. Founded in 1915, IDACORP is headquartered in Boise, Idaho.