• Alliant Energy recently outlined a four-year, US$13.40 billion capital expenditure plan aimed at serving data center demand and adding new gas, wind and storage resources, which comes alongside generally positive analyst views on the company.
• This combination of an expanded investment program and continued analyst confidence highlights how Alliant Energy is positioning its regulated utility operations for changing electricity needs tied to digital infrastructure and grid modernization.
• We’ll now examine how the US$13.40 billion multi-year spending plan could reshape Alliant Energy’s investment narrative and future risk profile.

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Alliant Energy Investment Narrative Recap

To own Alliant Energy, you need to believe in a regulated utility that can convert rising data center electricity demand into steady, rate-based investment while keeping regulators and customers onside. The new US$13.40 billion four-year capital plan appears incremental to this thesis rather than a sharp change, and it does not fundamentally alter the key near term catalyst of data center load growth or the biggest current risk around equity-funded CapEx and potential dilution.

One of the most relevant recent updates alongside this plan is Alliant’s ongoing use of at-the-market equity offerings, including the US$1.0 billion program filed in March 2026. This highlights how much of the new spending program may be supported by fresh equity, which ties directly into the dilution and return pressure risk if expected data center projects or new load do not materialize as planned.

But even with this large CapEx plan, investors should be aware that...

Alliant Energy's narrative projects $5.2 billion revenue and $1.2 billion earnings by 2029.

Uncover how Alliant Energy's forecasts yield a $79.12 fair value, a 13% upside to its current price.

Exploring Other Perspectives

Three fair value estimates from the Simply Wall St Community range from about US$67 to over US$94,000, showing just how far apart individual views can be. Against that backdrop, Alliant’s sizeable, equity heavy US$13.40 billion data center focused CapEx plan raises important questions about concentration risk and how different outcomes could affect long term returns.

Explore 3 other fair value estimates on Alliant Energy - why the stock might be worth just $67.47!

Decide For Yourself

Don't just follow the ticker - dig into the data and build a conviction that's truly your own.

• A great starting point for your Alliant Energy research is our analysis highlighting 1 key reward and 2 important warning signs that could impact your investment decision.
• Our free Alliant Energy research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate Alliant Energy's overall financial health at a glance.

No Opportunity In Alliant Energy?

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.