Customer Base and Service Areas - Alliant Energy serves approximately 985,000 electric and 425,000 natural gas customers in the Midwest through its subsidiaries IPL and WPL[23]. - As of December 31, 2021, IPL provided electric service to about 500,000 customers and natural gas service to approximately 225,000 customers in Iowa[23]. - WPL supplied electric service to around 485,000 customers and natural gas service to about 200,000 customers in Wisconsin as of December 31, 2021[24]. - The total number of retail customers at the end of 2021 was 984,448, up from 976,985 in 2020, indicating a growth of 0.5%[94]. - Retail customer count at the end of 2021 was 422,864, up from 419,994 in 2020, indicating a growth of 0.4%[105]. Financial Performance - Total revenues for Alliant Energy in 2021 were $3,081 million, an increase from $2,920 million in 2020, representing a growth of 5.5%[94]. - Residential revenue increased to $1,115 million in 2021 from $1,093 million in 2020, reflecting a growth of 2.0%[94]. - Alliant Energy's net income for 2021 was $659 million, with an EPS of $2.63, compared to $614 million and an EPS of $2.47 in 2020, reflecting a year-over-year increase of 7.3% in net income and 6.5% in EPS[177]. - The Utilities and Corporate Services segment reported an income of $632 million in 2021, up $46 million from 2020, primarily due to higher earnings from IPL and WPL's increasing rate base and higher sales[178]. - Electric utility revenues rose to $3,081 million in 2021, up 5.5% from $2,920 million in 2020[179]. - Operating income for 2021 was $795 million, an increase of 7.4% from $740 million in 2020[179]. Regulatory and Compliance - Alliant Energy is subject to various regulations, including oversight by FERC and the IUB for retail utility rates and service standards[42]. - IPL must obtain a certificate from the IUB to construct or significantly alter electric generating units with a capacity of 25 MW or more[53]. - The company is required to file an Energy Efficiency Plan every five years with the IUB to achieve specified levels of energy savings[52]. - WPL must obtain a Certificate of Public Convenience and Necessity (CPCN) from the PSCW for constructing new electric generating units with a capacity of 100 MW or more[60]. - Compliance obligations associated with the Coal Combustion Residuals Rule may change due to future EPA updates and ongoing litigation[69]. Energy Generation and Sustainability - The total generating capacity of IPL and WPL combined is 4,405 MW, with a generating capacity of 2,808 MW as of December 31, 2021[144][145]. - The company has significant gas, coal, wind, and solar generation assets, with a total capacity of 1,063 MW for coal and 1,302 MW for wind[144][145]. - Alliant Energy plans to develop and acquire approximately 1,100 MW of solar generation at WPL and 400 MW at IPL, with in-service dates in 2022 and 2023[167]. - Alliant Energy's Clean Energy Blueprints aim to transition away from coal-fired generation, incorporating renewable energy and tax credits for renewable projects[163]. - WPL expects to retire 1,009 MW of coal-fired generation by the end of 2024, transitioning to renewable energy sources[189]. Risks and Challenges - The company faces risks related to cyber attacks, which could disrupt operations and lead to significant financial losses[109]. - The company faces uncertainties regarding the impact of COVID-19 on its operations and financial results, which depend on various future developments[122]. - The company is exposed to risks from terrorism and catastrophic events that could disrupt operations and adversely affect financial condition[123]. - Regulatory changes and competition in the energy industry could negatively impact the company's financial condition and operational results[126]. - Environmental regulations could impose additional costs on the company, affecting its financial condition and operational results[133]. Strategic Initiatives and Investments - Alliant Energy's strategic priorities include significant investments in cleaner energy and sustainable customer solutions[186]. - The company has forecasted capital expenditures of approximately $7 billion over the next four years, indicating a reliance on capital markets for funding[139]. - Alliant Energy anticipates an increase in depreciation and amortization expenses in 2022 due to property additions, including solar generation[186]. - The company is exploring growth opportunities in non-utility businesses that are accretive to earnings and cash flows[196]. - Alliant Energy's renewable energy rider allows for annual adjustments to electric rates for actual renewable energy costs incurred, supporting IPL's 1,000 MW of wind EGUs[163]. Workforce and Diversity - Alliant Energy's workforce includes 3,313 employees, with 54% covered by collective bargaining agreements[30]. - The company emphasizes diversity, equity, and inclusion, with approximately 40% gender diversity and 27% ethnic diversity among corporate officers[37]. Capital and Liquidity - The company maintains adequate liquidity to fulfill contractual obligations and continue planned quarterly dividend payments[170]. - Alliant Energy plans to maintain a debt-to-total capitalization ratio consistent with investment-grade credit ratings, with capital structures reviewed regularly[214]. - The company relies on strong credit ratings to access credit markets; a downgrade could lead to higher interest rates and reduced borrowing capacity[140].

Alliant Energy Corporation (NASDAQ:LNT) Q4 2021 Earnings Conference Call February 18, 2022 10:00 AM ET Company Participants Zach Fields - Lead Investor Relations Analyst John Larsen - Chair, President, and Chief Executive Officer Robert Durian - Executive Vice President, and Chief Financial Officer Conference Call Participants Dariusz Lozny - Bank of America Peter Bourdon - Mizuho Andrew Weisel - Scotiabank Michael Sullivan - Wolfe Research Ross Fowler - UBS Operator Good morning, and welcome to Alliant Ene ...

Alliant Energy Corporation 2021 Year End Earnings Call February 18, 2022 Cautionary Statements Forward-looking Statements The information regarding forecasted earnings per share, forecasted capital expenditures, forecasted effective income tax rates, forecasted financing plans and regulatory plans contain forward-looking statements. Actual results could differ materially because the realization of those results is subject to many uncertainties, including: the state of the economy in the service territories ...

the & dist Alliant Energy Corporation Supplemental Information – November 5, 2021 Earnings Call 1 Alliant Energy Corporation Supplemental Information – November 5, 2021 Earnings Call Forward-Looking Statements These slides contain forward-looking statements, including 2021 and 2022 earnings guidance, terms of the WPL rate review settlement, details of our IPL advance ratemaking filing, information regarding forecasted effective income tax rates and other regulatory plans. Actual results could differ materia ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Name of Registrant, State of Incorporation, Address of Principal Executive Offices, Telephone Number, Commission File Number, IRS Employer Identification Number ALLIANT ENERGY CORPORATION (a Wisconsin Corporation) 4902 N. Biltmore Lane Madison, Wisconsin 53718 Telephone (608) 458-3311 Commissi ...

Summary of Alliant Energy Corporation Q3 2021 Earnings Conference Call Company Overview - **Company**: Alliant Energy Corporation (NASDAQ:LNT) - **Date of Call**: November 6, 2021 - **Participants**: - John Larsen – Chair, President and CEO - Robert Durian – Executive Vice President and CFO - Zach Fields – Lead Investor Relations Analyst Key Financial Highlights - **2021 Earnings Guidance**: Increased to a range of $2.61 to $2.67 per share, indicating a 12th consecutive year of 5% or greater earnings growth [6] - **2022 Earnings Guidance**: Projected range of $2.65 to $2.79 per share, reflecting anticipated growth of 5% to 7% [6] - **Dividend Increase**: Board approved a 6% increase in the annual common stock dividend to $1.71 per share [7] - **Q3 2021 GAAP Earnings**: Reported at $1.02 per share, up from $0.98 per share in Q3 2020, driven by higher revenue requirements and temperature-normalized sales [14] Operational Highlights - **Temperature Normalized Sales**: Retail electric sales increased by 4.1% year-over-year, attributed to pandemic recovery and minimal storm activity [15] - **Capital Expenditures**: Planned capital expenditures of approximately $7 billion from 2021 to 2025, averaging $1.4 billion per year, focused on cleaner energy and grid reliability [16][17] - **Solar Projects**: Commitment to add 1,500 megawatts of solar energy, with several projects underway in Wisconsin and Iowa [10][18] Environmental, Social, and Governance (ESG) Initiatives - **Tree Planting Commitment**: Plan to plant over 1 million trees over the next decade to support environmental efforts [9] - **Community Support**: $4 million commitment to the Hometown Care Energy Fund to assist customers with energy bills amid rising natural gas costs [11] - **Hunger Relief**: 15th Annual Drive Out Hunger event raised over $400,000, providing over 17 million meals to families in need [12] Challenges and Strategic Focus - **Cost Management**: Focus on controlling operational and maintenance costs to keep rates affordable for customers amid rising fuel prices [21] - **Supply Chain Issues**: Acknowledgment of inflation and supply chain uncertainties impacting capital expenditures, particularly for solar projects [26][17] - **Tax Considerations**: Estimated effective tax rate of -13% for 2021 and +6% for 2022, with expectations of being exempt from minimum tax provisions [20][38] Future Outlook - **Long-term CapEx Plans**: Anticipated $7 to $9 billion in capital expenditures for the following five years, focusing on cleaner energy sources and grid reliability [41] - **Regulatory Initiatives**: Ongoing regulatory filings for solar and storage projects, with decisions expected in 2022 [23][24] Conclusion - Alliant Energy is positioned for continued growth with a strong focus on clean energy initiatives, community support, and maintaining financial stability amid market challenges. The company remains committed to delivering consistent returns to investors while enhancing its operational capabilities and environmental stewardship.

Alliant Energy Corporation (NASDAQ:LNT) Q2 2021 Earnings Conference Call August 6, 2021 10:00 AM ET Company Participants Zach Fields - Lead Investor Relations Analyst John Larsen - Chair, President and CEO Robert Durian - Executive Vice President and CFO Conference Call Participants Michael Sullivan - Wolfe Research Operator Good morning. And welcome to Alliant Energy’s Conference Call for Second Quarter 2021 Results. This call is being recorded for rebroadcast. At this time, all lines are in listen-only mo ...

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION For the transition period from to Name of Registrant, State of Incorporation, Address of Principal Executive Offices, Telephone Number, Commission File Number, IRS Employer Identifica ...

Alliant Energy Corporation Supplemental Information – May 7, 2021 Earnings Call Alliant Energy Corporation Supplemental Information -- May 7, 2021 Earnings Call Forward-Looking Statements These slides contain forward-looking statements, including 2021 earnings guidance, terms of the WPL rate review settlement, information regarding forecasted effective income tax rates and regulatory plans. Actual results could differ materially, because the realization of those results is subject to many uncertainties incl ...

Alliant Energy Corporation (NASDAQ:LNT) Q1 2021 Earnings Conference Call May 7, 2021 10:00 AM ET Company Participants Susan Gille - Manager of IR John Larsen - Chairman, CEO & President Robert Durian - Executive VP & CFO Conference Call Participants Julien Dumoulin-Smith - Bank of America Andrew Weisel - Scotiabank Michael Sullivan - Wolfe Research Andrew Levi - Hite Hedge Operator Good morning, and welcome to Alliant Energy's Conference Call for First Quarter 2021 Results. This call is being recorded for ...