Alliant Energy Corporation reported its fourth‑quarter 2025 results on February 20, 2026. Revenue rose to $1.064 billion, up 9.1% from $976 million in Q4 2024. GAAP earnings per share were $0.55, slightly below the consensus estimate of $0.58, while ongoing EPS of $0.60 beat the expected $0.58 by $0.02.
Revenue growth was driven by strong demand in the electric and gas segments, with the electric segment reporting a 10% increase and the gas segment up 8%. The company also benefited from a 12% rise in data‑center load, which helped offset modest headwinds in legacy residential services.
The earnings beat was largely a result of disciplined cost management and a favorable mix shift toward higher‑margin data‑center contracts. Operating income, however, fell to $196 million from $222 million in Q4 2024, reflecting higher operating expenses related to fuel costs and investment in generation and storage assets.
Alliant reaffirmed its 2026 ongoing EPS guidance at $3.36–$3.46, unchanged from the prior guidance. The company reiterated confidence in its capital‑intensive growth plan, citing continued investment in generation and energy storage to meet rising customer demand.
Lisa Barton, President and CEO, said, “In 2025, we delivered another solid year of financial and operational results. We're executing well while investing to meet growing customer demand.” Robert Durian, Executive Vice President and CFO, added, “For the full year 2025, Alliant Energy Corporation delivered ongoing earnings per share growth of $0.18 compared to 2024, driven primarily by increased revenue requirements from rate base increases, reflecting continued investment in generation and energy storage, as well as favorable temperature impacts on electric and gas sales.”
Investors reacted positively to the earnings beat and the company’s reaffirmed guidance, reflecting confidence in Alliant’s execution of its growth strategy and its ability to capture data‑center demand.
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