Alliant Energy - 15 Year Stock Price History | LNT
Historical daily share price chart and data for Alliant Energy since 2011 adjusted for splits and dividends. The latest closing stock price for Alliant Energy as of May 18, 2026 is 72.09.
- The all-time high Alliant Energy stock closing price was 74.06 on May 01, 2026.
- The Alliant Energy 52-week high stock price is 75.76, which is 5.1% above the current share price.
- The Alliant Energy 52-week low stock price is 59.62, which is 17.3% below the current share price.
- The average Alliant Energy stock price for the last 52 weeks is 66.92.
| Alliant Energy Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 69.6581 | 64.5775 | 74.0600 | 63.6028 | 72.0900 | 12.63% |
| 2025 | 61.6987 | 55.7815 | 68.3976 | 54.0178 | 64.0065 | 13.52% |
| 2024 | 50.9253 | 47.6998 | 60.6628 | 44.0103 | 56.3822 | 19.54% |
| 2023 | 47.1592 | 49.1930 | 50.3535 | 42.1211 | 47.1666 | -3.84% |
| 2022 | 51.1521 | 52.4598 | 56.6118 | 42.3399 | 49.0509 | -7.44% |
| 2021 | 47.4987 | 42.2644 | 53.2268 | 38.9599 | 52.9943 | 22.86% |
| 2020 | 43.2801 | 43.6571 | 49.2980 | 32.7643 | 43.1349 | -3.16% |
| 2019 | 39.6451 | 32.5158 | 44.7316 | 32.5158 | 44.5444 | 33.43% |
| 2018 | 32.6600 | 32.2299 | 36.5694 | 28.6688 | 33.3850 | 2.37% |
| 2017 | 30.9891 | 28.1324 | 34.5796 | 27.3611 | 32.6126 | 16.05% |
| 2016 | 26.9097 | 22.3432 | 29.8551 | 22.0885 | 28.1028 | 25.44% |
| 2015 | 21.5777 | 23.0359 | 24.5521 | 19.3918 | 22.4042 | -2.63% |
| 2014 | 19.6785 | 16.9736 | 24.0128 | 16.8767 | 23.0082 | 33.40% |
| 2013 | 16.5204 | 14.5389 | 17.9129 | 14.5196 | 17.2477 | 21.95% |
| 2012 | 13.9905 | 13.4634 | 15.0646 | 13.0705 | 14.1427 | 3.64% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Utilities | Utility - Electric Power Distribution | $18.880B | $4.362B |
| Alliant Energy Corporation is a holding company with subsidiaries engaged in regulated electric and natural gas services. The company operates primarily through four wholly owned subsidiaries: Interstate Power and Light Company (IPL), Wisconsin Power and Light Company (WPL), Resource and Corporate Services. Alliant Energy provides services to electric and natural gas customers in the Midwest. Its Utility Business segment includes the operations of IPL and WPL. Both the utilities have a diversified fuel mix which consists of coal, natural gas and renewable resources. The output from these generating facilities is supplemented with purchased power. IPL is primarily engaged in the generation and distribution of electricity and distribution and transportation of natural gas in select markets in Iowa and southern Minnesota. | |||
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| NextEra Energy (NEE) | United States | $196.185B | 25.36 |
| Iberdrola S.A (IBDRY) | Spain | $161.115B | 22.76 |
| Enel SpA (ENLAY) | Italy | $117.323B | 17.22 |
| Southern (SO) | United States | $109.616B | 22.65 |
| Duke Energy (DUK) | United States | $102.548B | 20.85 |
| ENGIE - (ENGIY) | France | $87.078B | 0.00 |
| American Electric Power (AEP) | United States | $74.088B | 22.87 |
| E.ON SE (EONGY) | Germany | $60.416B | 17.92 |
| Dominion Energy (D) | United States | $56.456B | 18.78 |
| Entergy (ETR) | United States | $53.320B | 29.79 |
| Vistra (VST) | United States | $52.384B | 28.65 |
| Xcel Energy (XEL) | United States | $51.418B | 21.74 |
| RWE AG (RWEOY) | Germany | $50.325B | 24.67 |
| Exelon (EXC) | United States | $49.696B | 17.60 |
| Consolidated Edison Inc (ED) | United States | $41.838B | 19.89 |
| Public Service Enterprise Group (PEG) | United States | $41.460B | 20.53 |
| Pacific Gas & Electric (PCG) | United States | $40.750B | 12.36 |
| WEC Energy (WEC) | United States | $38.283B | 22.26 |
| NRG Energy (NRG) | United States | $35.202B | 20.31 |
| Ameren (AEE) | United States | $31.386B | 22.56 |
| DTE Energy (DTE) | United States | $31.138B | 20.34 |
| PPL (PPL) | United States | $29.823B | 21.91 |
| FirstEnergy (FE) | United States | $29.747B | 20.17 |
| Fortis (FTS) | Canada | $29.326B | 23.13 |
| AXIA Energia (AXIA) | Brazil | $29.326B | 19.74 |
| Edison (EIX) | United States | $29.145B | 11.56 |
| CenterPoint Energy (CNP) | United States | $28.384B | 24.51 |
| Eversource Energy (ES) | United States | $26.298B | 14.67 |
| Hydro One (HRNNF) | Canada | $25.785B | 0.00 |
| CMS Energy (CMS) | United States | $24.449B | 21.99 |
| Terna Rete Elettrica Nazionale SpA (TEZNY) | Italy | $24.308B | 0.00 |
| CLP Holdings (CLPHY) | Hong Kong, SAR China | $24.304B | 0.00 |
| NiSource (NI) | United States | $23.033B | 25.29 |
| Evergy (EVRG) | United States | $19.247B | 21.94 |
| Korea Electric Power (KEP) | South Korea | $19.002B | 3.15 |
| Power Assets Holdings (HGKGY) | Hong Kong, SAR China | $17.467B | 0.00 |
| United Utilities Group (UUGRY) | United Kingdom | $12.792B | 0.00 |
| Pinnacle West Capital (PNW) | United States | $12.537B | 20.47 |
| China Resources Power Holdings (CRPJY) | Hong Kong, SAR China | $12.216B | 0.00 |
| Brookfield Renewable Partners (BEP) | Bermuda | $10.512B | 0.00 |
| AES (AES) | United States | $10.261B | 6.15 |
| OGE Energy (OGE) | United States | $10.205B | 21.41 |
| Companhia Paranaense De Energia - Copel (ELPC) | $9.929B | 28.38 | |
| ENGIE BRASL EGA (EGIEY) | Brazil | $8.282B | 17.20 |
| IDACORP (IDA) | United States | $8.108B | 25.00 |
| Comp En De Mn Cemig ADS (CIG) | Brazil | $7.813B | 0.00 |
| Portland General Electric (POR) | United States | $6.215B | 17.66 |
| Enel Chile S.A (ENIC) | Chile | $6.128B | 11.07 |
| Black Hills (BKH) | United States | $5.613B | 17.96 |
| Companhia Paranaense De Energia (COPEL) (ELP) | Brazil | $5.520B | 84.27 |
| Algonquin Power & Utilities (AQN) | Canada | $4.912B | 19.36 |
| Pampa Energia S.A (PAM) | Argentina | $4.748B | 12.60 |
| Kenon Holdings (KEN) | Singapore | $4.594B | 0.00 |
| NorthWestern (NWE) | United States | $4.342B | 19.72 |
| TransAlta (TAC) | Canada | $4.161B | 93.33 |
| Allete (ALE) | United States | $3.945B | 23.02 |
| Otter Tail (OTTR) | United States | $3.788B | 13.76 |
| Avista (AVA) | United States | $3.456B | 17.52 |
| Centuri Holdings (CTRI) | United States | $3.397B | 93.58 |
| MGE Energy (MGEE) | United States | $2.968B | 21.71 |
| Hawaiian Electric Industries (HE) | United States | $2.710B | 18.26 |
| Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) | Argentina | $1.307B | 6.74 |
| Unitil (UTL) | United States | $0.982B | 17.11 |
| Ballard Power Systems (BLDP) | Canada | $0.847B | 0.00 |
| Genie Energy (GNE) | United States | $0.381B | 0.00 |
| Polar Power (POLA) | United States | $0.005B | 0.00 |
| Great Plains Energy Inc (GXP) | United States | $0.000B | 0.00 |
| Eletrobras (EBR.B) | Brazil | $0.000B | 0.00 |