Alliant Energy stock holds steady as regulatory focus shifts to data center rates

Published on 09/18/2026 at 14:43 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Alliant Energy stock trades steadily on the NYSE as of September 18, 2026, while the utility moves to adjust electricity rates for data centers in southern Wisconsin. Recent earnings and guidance frame how investors assess the stock’s regulated growth profile.

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Alliant Energy stock (ISIN US0188021085) remains steady on the New York Stock Exchange as of September 18, 2026, with investors weighing the company’s latest move to seek a dedicated electricity rate for data centers in southern Wisconsin and its most recently reported earnings and guidance.

Regulatory push on data center rates shapes sentiment

According to Madison.com on September 17, 2026, Alliant Energy has filed for a new electricity rate structure aimed specifically at data centers operating in southern Wisconsin.

As Madison.com reports, the proposed tariff is intended to reflect the high, often continuous electricity demand of large data centers while balancing rate stability for residential and small business customers in the region.

Earnings and guidance provide context for investors

According to Alliant Energy in its most recent quarterly update for the period ended June 30, 2026, the company reported revenue of USD 1.1 billion for the quarter, up 5.0 percent compared with the same period a year earlier.

As Alliant Energy details, net income for the second quarter of 2026 reached USD 170 million, an increase from USD 160 million in the second quarter of 2025, reflecting regulated rate adjustments and stable demand in its service territories.

According to Alliant Energy, second quarter 2026 earnings per share came in at USD 0.85, compared with USD 0.80 a year earlier, while the company reaffirmed its full year 2026 guidance range of USD 3.20 to USD 3.40 per share.

Stock price and trading snapshot

As of September 18, 2026, Alliant Energy stock trades on the New York Stock Exchange in USD; recent market data show the shares near the middle of their 52 week trading range, with a market capitalization in the multi billion dollar range and typical daily trading volume in the low millions of shares.