Alliant Energy vs AES Corporation
Side-by-side comparison of AI visibility scores, market position, and capabilities
Madison WI Midwest regulated utility (NASDAQ: LNT) at $3.04 EPS (2024); 1,500 MW solar + 1,800 MW wind completed, coal exit by 2040, new CEO Lisa Barton (Jan 2024), DOE loan commitment for grid resilience competing with WEC Energy.
About
Alliant Energy Corporation is a Madison, Wisconsin-based regulated electric and natural gas utility — publicly traded on NASDAQ (NASDAQ: LNT) as an S&P 500 Utilities component — serving approximately 1 million electric customers and 430,000 natural gas customers in Iowa and Wisconsin through two regulated subsidiaries: Interstate Power and Light Company (IPL, Iowa) and Wisconsin Power and Light Company (WPL, Wisconsin), through approximately 3,000 employees. In fiscal year 2024, Alliant Energy reported ongoing earnings per share of $3.04 (up from $2.82 in 2023), meeting analyst expectations, with 2025 guidance affirmed at $3.15-$3.25 per share. CEO Lisa Barton assumed leadership in January 2024, initiating the next phase of Alliant's clean energy transition strategy. The company completed 1,500 megawatts of solar generation investments in 2024, supplementing its existing 1,800 MW wind portfolio to accelerate the retirement of coal-fired generation — with plans to cease coal operations at Wisconsin facilities before 2030 and eliminate coal from the entire fleet by 2040, targeting net-zero carbon emissions by 2050. Alliant's foundation traces to 1917 through predecessor utility companies serving the Upper Midwest. The US Department of Energy's Loan Programs Office issued a conditional commitment to Alliant for loan support to improve grid resilience in Iowa and Wisconsin, enabling investment in transmission and distribution modernization that supports renewable energy integration and grid reliability under increasing extreme weather events.
Arlington VA global power company (NYSE: AES) at $12.28B 2024 revenue; 32 GW portfolio (50% renewable), Meta solar agreements for AI data centers, 12 GW contracted backlog competing with NextEra for corporate clean energy PPA.
About
The AES Corporation is an Arlington, Virginia-based global power company — publicly traded on the New York Stock Exchange (NYSE: AES) as an S&P 500 Fortune 500 component — generating and distributing electric power across 15 countries to more than 2.5 million customers worldwide with a generation portfolio totaling over 32 gigawatts, of which renewable energy comprises 50% of capacity. In fiscal year 2024, AES reported revenue of $12.28 billion, completed construction of 3.0 GW of renewable energy projects, and signed 6.8 GW of new contracts, including renewable power purchase agreements for AI data center load growth. AES has earned recognition as the largest global supplier of clean energy to corporations for three consecutive years (BloombergNEF). In 2025, AES signed major solar agreements with Meta for projects in Michigan, Missouri, and Illinois powering hyperscale data centers. AES announced plans to exit coal generation completely by 2025, ahead of its previous target. AES's Fluence joint venture with Siemens is a global leader in energy storage technologies. Founded in 1981 as Applied Energy Services, AES is led by President and CEO Andrés Gluski (since 2011) and employs approximately 10,500 people worldwide.
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