Alliant Energy - 33 Year Stock Price History | LNT

Historical daily share price chart and data for Alliant Energy since 1988 adjusted for splits. The latest closing stock price for Alliant Energy as of September 24, 2021 is 57.11.
  • The all-time high Alliant Energy stock closing price was 62.18 on August 20, 2021.
  • The Alliant Energy 52-week high stock price is 62.35, which is 9.2% above the current share price.
  • The Alliant Energy 52-week low stock price is 45.99, which is 19.5% below the current share price.
  • The average Alliant Energy stock price for the last 52 weeks is 54.82.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Alliant Energy Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2021 55.2304 50.4900 62.1800 46.1600 57.1100 10.83%
2020 52.3401 53.6300 60.1650 39.9900 51.5300 -5.83%
2019 49.2940 41.1500 54.9500 41.1500 54.7200 29.51%
2018 41.9010 42.1100 46.2800 37.1400 42.2500 -0.84%
2017 41.0153 37.9300 45.1800 36.8600 42.6100 12.46%
2016 36.7737 31.1400 40.8700 30.7850 37.8900 21.35%
2015 30.5674 33.2500 35.1600 27.2750 31.2250 -5.98%
2014 28.8222 25.3900 34.6600 25.2450 33.2100 28.72%
2013 25.0997 22.5700 26.9700 22.5400 25.8000 17.51%
2012 22.1056 21.7600 23.7500 21.0500 21.9550 -0.45%
2011 19.8614 18.5750 22.1600 17.1500 22.0550 19.96%
2010 17.1552 15.1750 18.8150 15.1750 18.3850 21.51%
2009 13.1033 14.8450 15.5950 10.2300 15.1300 3.70%
2008 17.0539 20.1350 21.0600 12.1450 14.5900 -28.29%
2007 20.2755 18.9350 22.8700 17.9050 20.3450 7.73%
2006 17.3019 14.2500 19.8500 14.2500 18.8850 34.70%
2005 13.9320 14.0500 15.1950 12.9400 14.0200 -1.96%
2004 12.9413 12.4100 14.4000 11.8800 14.3000 14.86%
2003 9.9490 8.4950 12.4700 7.5600 12.4500 50.45%
2002 11.7500 15.3150 15.4300 7.1950 8.2750 -45.49%
2001 15.1778 15.5000 16.5500 13.9950 15.1800 -4.77%
2000 14.6094 13.4050 17.3100 13.0100 15.9400 15.93%
1999 14.2428 16.0000 16.0000 12.9400 13.7500 -14.73%
1998 15.7698 16.5600 17.4400 14.1250 16.1250 -2.63%
1997 14.2268 14.0000 16.9050 13.3750 16.5600 17.78%
1996 15.0987 15.3750 16.4400 13.9400 14.0600 -8.16%
1995 14.5764 13.7500 15.6250 13.7500 15.3100 11.83%
1994 14.3577 16.2500 16.2500 13.2500 13.6900 -16.73%
1993 17.3051 17.0000 18.3100 15.7500 16.4400 -2.95%
1992 16.6867 16.3750 18.0600 15.0600 16.9400 3.45%
1991 13.6028 12.1250 16.3750 11.5000 16.3750 33.67%
1990 11.3574 12.1250 12.4400 10.0600 12.2500 0.49%
1989 11.5262 11.1900 12.1900 11.0000 12.1900 6.00%
Sector Industry Market Cap Revenue
Utilities Utility - Electric Power Distribution $14.292B $3.416B
Alliant Energy Corporation is a Midwest U.S. energy company. The Company is primarily engaged in electric generation and the distribution of electricity and natural gas. They serve approximately electric and natural gas customers through their two public utility subsidiaries, Interstate Power and Light (IPL) and Wisconsin Power and Light (WPL). IPL provides retail electric and gas service in Iowa, and WPL provides retail and wholesale electric and retail gas service in Wisconsin. IPL also sells electricity to wholesale customers in Minnesota, Illinois and Iowa.
Stock Name Country Market Cap PE Ratio
NextEra Energy (NEE) United States $158.289B 33.01
Duke Energy (DUK) United States $75.749B 18.54
Southern (SO) United States $66.875B 17.99
Dominion Energy (D) United States $60.297B 19.94
National Grid Transco (NGG) United Kingdom $44.414B 0.00
Public Service Enterprise Group (PEG) United States $30.689B 16.91
Eversource Energy (ES) United States $28.409B 21.75
WEC Energy (WEC) United States $28.389B 22.06
Consolidated Edison Inc (ED) United States $25.797B 17.42
Pacific Gas & Electric (PCG) United States $24.482B 10.69
DTE Energy (DTE) United States $22.031B 13.97
PPL (PPL) United States $21.872B 17.33
Edison (EIX) United States $21.860B 12.54
Ameren (AEE) United States $21.490B 22.96
Fortis (FTS) Canada $21.249B 21.89
Entergy (ETR) United States $20.266B 16.92
FirstEnergy (FE) United States $20.043B 15.09
Avangrid (AGR) United States $19.631B 20.86
CMS Energy (CMS) United States $17.599B 19.66
Brookfield Infrastructure Partners LP (BIP) Bermuda $16.501B 41.70
AES (AES) United States $15.619B 15.73
CenterPoint Energy (CNP) United States $15.065B 16.08
Korea Electric Power (KEP) South Korea $13.019B 13.70
Eletrobras (EBR.B) Brazil $11.767B 0.00
Centrais El¿tricas Brasileiras SA (EBR) Brazil $11.594B 0.00
NRG Energy (NRG) United States $10.516B 16.98
Brookfield Renewable Partners (BEP) Bermuda $10.506B 0.00
NiSource (NI) United States $9.422B 18.05
Algonquin Power & Utilities (AQN) Canada $9.337B 21.30
Huaneng Power (HNP) China $9.093B 0.00
Vistra (VST) United States $8.473B 0.00
Pinnacle West Capital (PNW) United States $8.183B 14.14
OGE Energy (OGE) United States $6.740B 13.86
IDACORP (IDA) United States $5.233B 20.59
Comp En De Mn Cemig ADS (CIG) Brazil $4.928B 5.75
Hawaiian Electric Industries (HE) United States $4.497B 18.53
Portland General Electric (POR) United States $4.320B 16.66
PNM Resources (PNM) United States $4.249B 20.45
Black Hills (BKH) United States $3.990B 16.76
Companhia Paranaense De Energia (COPEL) (ELP) Brazil $3.601B 1.54
Enersis Chile S.A (ENIC) Chile $3.362B 0.00
Allete (ALE) United States $3.107B 18.58
TransAlta (TAC) Canada $2.794B 0.00
Avista (AVA) United States $2.730B 18.57
Kenon Holdings (KEN) Singapore $2.337B 0.00
Pampa Energia S.A (PAM) Argentina $0.908B 3.87
Unitil (UTL) United States $0.719B 19.08
Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) Argentina $0.268B 0.00
Genie Energy (GNE) United States $0.171B 23.46