Boise, Idaho-based IDACORP is a holding company comprised of Idaho Power Company, a regulated electric utility; IDACORP Financial, a holder of affordable housing projects and other real estate investments; and Ida-West Energy, an operator of small hydroelectric generation projects that satisfy the requirements of the Public Utility Regulatory Policies Act of 1978.

IDACORP was formed Oct. 1, 1998, following approval by Idaho Power shareholders, the Federal Energy Regulatory Commission and the public utility commissions of Idaho, Oregon, Nevada and Wyoming (states where IDACORP has conducted business or has holdings).

Under the holding company structure, Idaho Power Company is the primary subsidiary. This regulated utility, created in 1916, is dedicated to providing reliable, affordable, clean electric service to more than 590,000 general business customers in a 24,000-square-mile service area in southern Idaho and eastern Oregon. The backbone of the company’s energy mix is a series of 17 hydropower plants it owns and operates on the Snake River and its tributaries. Idaho Power also owns three natural gas-fired power plants and a partial interest in two coal-fired generating plants.

IDACORP's common stock is traded on the New York Stock Exchange under the trading symbol "IDA".