Contact Alliant Energy

Phone number: 📞1-800-ALLIANT (800-255-4268).

  • Customer service hours: 7 a.m.–7 p.m. Monday–Friday.
  • Emergency reporting 24/7 (Downed power line, natural gas leak, carbon monoxide alarm, or other emergency.)

For non-emergencies, you may also email us within My Account.

Alliant Energy Help Center

Recent stories from our blog

Alliant Energy advances diverse energy mix for reliability and growth 

We’re acting now to meet our customers’ needs for decades to come. Those needs include affordability, reliability and sustainability.

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Amazon breaks ground on distribution warehouse in Wisconsin

After a two-year delay, developers of an Amazon warehouse recently broke ground on a new 3.4-million-square-foot facility in Cottage Grove, Wisconsin.

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Income tax rates make Iowa more attractive to businesses and workers

Iowa Governor Kim Reynolds approved legislation earlier this year collapsing Iowa’s three personal income tax brackets to a single tax rate of just 3.8%. The change takes effect January 1, 2025.

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