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INTERSTATE POWER & LIGHT CO

What Do They Do?

Generates and distributes electricity, and distributes and transports natural gas, for retail customers in Iowa; also sells electricity to wholesale customers.

Who Are Their Customers?

Serves residential, commercial and industrial electric and gas customers in Iowa, and sells electricity to wholesale customers in Illinois and Iowa, including municipalities and rural electric cooperatives.

How Are They Changing?

Since the latest annual report
  • Jul 31, 2026 Reaffirmed earnings guidance Alliant reaffirmed consolidated ongoing earnings guidance and said results were trending in the upper half of the range.

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