# Alliant Energy **Source:** https://geo.sig.ai/brands/alliant-energy **Vertical:** Energy & Utilities **Subcategory:** Enterprise **Tier:** Leader **Website:** alliantenergy.com **Last Updated:** 2026-04-14 ## Summary 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. ## Company Overview 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. Alliant Energy's regulated utility model addresses the essential energy services need that Midwest residential, commercial, and industrial customers require with the predictability and rate-regulated economics that enable long-term capital investment: Alliant's Iowa and Wisconsin regulators (the Iowa Utilities Board and the Public Service Commission of Wisconsin) approve rate cases that set the allowed return on equity (typically 9-10%) on Alliant's $10+ billion rate base of generation, transmission, and distribution assets — creating the stable, predictable earnings stream that supports Alliant's dividend policy and investment-grade bond ratings. The clean energy transition investment cycle (solar and wind replacing coal capacity through 2030-2040) represents the primary capital deployment opportunity for Alliant, with each megawatt of new renewable generation adding to the rate base that earns the regulated return — aligning Alliant's investment incentive with state renewable portfolio standard requirements and customer decarbonization goals. In 2025, Alliant Energy competes in the Midwest regulated electric and natural gas utility market with MidAmerican Energy (private, Berkshire Hathaway Energy, Iowa and Illinois), WEC Energy Group (NYSE: WEC, Wisconsin and Illinois electric and gas), and Evergy (NYSE: EVRG, Kansas and Missouri electric) for regulatory approval of capital expenditures, renewable energy project development, and large industrial load growth opportunities driven by data center construction and EV fleet charging in Iowa and Wisconsin. Alliant's DOE Loan Programs commitment positions the company to access below-market federal financing for transmission upgrades that private market financing would price at higher cost — a competitive advantage for grid modernization investment. The 2025 strategy under Lisa Barton focuses on executing the renewable generation build program (adding solar and wind to replace retiring coal capacity), pursuing transmission investment for grid resilience with DOE loan support, and managing the customer rate impact of the clean energy capital program through cost efficiency initiatives. ## Frequently Asked Questions ### What is Alliant Energy? Alliant Energy Corporation is a regulated utility holding company headquartered in Madison, Wisconsin, that provides electricity to approximately 1 million customers and natural gas to 430,000 customers across Iowa and Wisconsin through its two principal subsidiaries, Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL). The company has been serving Midwest communities since 1917. ### Who are Alliant Energy's customers and target market? Alliant Energy serves approximately 1.43 million total customers across Iowa and Wisconsin, with about 85% residential accounts, 15% commercial and farm accounts, and a small portion of industrial properties. The company provides essential electric and natural gas services to homes, businesses, and industries throughout its service territory in the Midwest. ### When was Alliant Energy founded? Alliant Energy's roots trace back to 1917 with the establishment of utilities in Iowa and Wisconsin. The modern Alliant Energy Corporation was created in April 1998 through the merger of WPL Holdings, IES Industries, and Interstate Energy Corporation, and officially adopted the Alliant Energy name in May 1999. ### Where is Alliant Energy based? Alliant Energy is headquartered in Madison, Wisconsin, and serves customers throughout Iowa and Wisconsin. The company moved its headquarters to Madison in 2008 to be centrally located within its service territory. ### What is Alliant Energy's clean energy strategy? Alliant Energy has set an aspiration to reach net-zero carbon emissions by 2050 and eliminate all coal power plants from its fleet by 2040. The company completed 1,500 megawatts of solar generation investments in 2024, operates 1,800 megawatts of wind resources, retired a major coal-fired facility in Iowa in 2023, and plans to cease burning coal at its Wisconsin facility before 2030. ### What makes Alliant Energy different from competitors? Alliant Energy differentiates itself through its significant investments in renewable energy (3,300 MW of solar and wind combined), balanced generation portfolio, regulated utility model ensuring stable rates, strong focus on grid modernization and resilience, and deep commitment to the Iowa and Wisconsin communities it has served for over a century. The company's customer satisfaction ratings and safety record further distinguish it in the utility industry. ### Who leads Alliant Energy? Lisa M. Barton has served as President and CEO since January 2024, leading the company's clean energy transformation. John O. Larsen serves as Executive Chairman after previously serving as CEO. Robert J. Durian serves as Executive Vice President and CFO. The leadership team brings extensive utility industry experience and is focused on delivering reliable, affordable, and sustainable energy. ### How can I contact Alliant Energy? Customers can contact Alliant Energy through their website at www.alliantenergy.com, by phone for customer service, or by visiting local customer service offices in Iowa and Wisconsin. The company provides 24/7 emergency services and online account management tools for billing and service inquiries. ### Is Alliant Energy hiring? Yes, Alliant Energy employs approximately 3,000 people and regularly recruits for positions in operations, engineering, customer service, and other areas. The company offers competitive pay, comprehensive benefits including health and dental insurance, flexible work arrangements, and wellness programs. Career opportunities are posted on the company's website. ### What are Alliant Energy's recent accomplishments? Recent accomplishments include completing 1,500 MW of solar generation investments in 2024, achieving ongoing earnings per share of $3.04, securing conditional commitment from the U.S. Department of Energy for grid resilience improvements, announcing energy service agreements with data centers totaling 2.1 GW, and successfully transitioning leadership with Lisa Barton as CEO in January 2024. ### What is Alliant Energy's financial performance? Alliant Energy reported 2024 ongoing earnings per share of $3.04 compared to $2.82 in 2023, with revenue of $3.98 billion. The company has affirmed 2025 earnings guidance of $3.15-$3.25 per share, demonstrating consistent financial performance and shareholder value while investing heavily in clean energy infrastructure and grid modernization. ### What are Alliant Energy's future plans? Future plans include continuing the transition to clean energy with plans to cease burning coal before 2030 in Wisconsin, further expanding renewable energy investments, improving grid resilience with support from the Department of Energy, serving growing data center demand with 2.1 GW of new agreements, achieving net-zero carbon emissions by 2050, and maintaining reliable and affordable service while modernizing infrastructure to meet 21st-century energy needs. ## Tags b2b, b2c, energy, infrastructure, public --- *Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-14.*