LNT: Expanded investment plan targets 8%+ earnings growth through 2030, led by large-load demand

What happened

Alliant Energy reported Q3 GAAP EPS of $1.52 and narrowed its 2026 ongoing EPS guidance to the top half of $3.41-$3.46. It expanded its investment plan to $15.9 billion, targeting 8%+ earnings growth through 2030, led by large-load demand and lower-cost financing.

Confirmed

Global impact / market context

The larger investment plan means Alliant will spend more on its network and power supply to serve big new customers such as data centers. If regulators allow it to recover those costs, the spending can raise the earnings base; if not, costs could pressure profit.

Analyst inference

Utilities are seeing unusually large electricity demand from data centers, which supports long-term growth but requires heavy construction. Alliant's use of lower-cost financing aims to keep the cost of that buildout manageable and protect profit per sale as spending rises.

Analyst inference

What to watch

1. Watch whether 2026 ongoing EPS actually lands within the narrowed $3.41-$3.46 range, since that is the company's own stated guidance and confirms whether the growth plan is on track. Confirmed
2. Watch for regulatory decisions that let Alliant recover spending on its expanded $15.9 billion plan; approval would support earnings, while delays or disallowances could raise costs. Proposed
3. Watch data center contracts and lower-cost financing terms, because converting large-load demand into signed customers and cheap borrowed money underpins the 8%+ earnings growth target through 2030. Analyst inference

Evidence

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