Latest period
$4.45B
YoY change
+10.4%
5Y CAGR
+12.7%
Peak year (2025)
$2.48B
Cumulative CapEx
$31.60B
CapEx history chart for Alliant Energy (LNT) from 1994 to 2025
Latest: $2.48B
CapEx growth chart for Alliant Energy (LNT) from 1994 to 2025
Latest: +10.4%
CapEx history table for Alliant Energy (LNT) from 1994 to 2025
| 2025 | $2.48B | +10.4% | +$234.00M | ||
| 2024 | $2.25B | +21.3% | +$395.00M | ||
| 2023 | $1.85B | +24.9% | +$370.00M | ||
| 2022 | $1.48B | +26.9% | +$315.00M | ||
| 2021 | $1.17B | -14.4% | −$197.00M | ||
| 2020 | $1.37B | -16.7% | −$274.10M | ||
| 2019 | $1.64B | +0.4% | +$6.20M | ||
| 2018 | $1.63B | +11.4% | +$167.00M | ||
| 2017 | $1.47B | +22.6% | +$270.10M | ||
| 2016 | $1.20B | +15.7% | +$162.50M | ||
| 2015 | $1.03B | +14.6% | +$131.50M | ||
| 2014 | $902.80M | +13.1% | +$104.50M | ||
| 2013 | $798.30M | -31.1% | −$359.80M | ||
| 2012 | $1.16B | +72.0% | +$484.70M | ||
| 2011 | $673.40M | -22.3% | −$193.50M | ||
| 2010 | $866.90M | -27.9% | −$335.70M | ||
| 2009 | $1.20B | +36.8% | +$323.60M | ||
| 2008 | $879.00M | +62.2% | +$337.00M | ||
| 2007 | $542.00M | +33.1% | +$134.90M | ||
| 2006 | $407.10M | -32.0% | −$191.20M | ||
| 2005 | $598.30M | -5.5% | −$35.10M | ||
| 2004 | $633.40M | -24.5% | −$205.49M | ||
| 2003 | $838.89M | +27.7% | +$182.10M | ||
| 2002 | $656.79M | -19.7% | −$161.57M | ||
| 2001 | $818.36M | -23.3% | −$248.10M | ||
| 2000 | $1.07B | +122.8% | +$587.89M | ||
| 1999 | $478.57M | +28.6% | +$106.47M | ||
| 1998 | $372.10M | +13.4% | +$44.00M | ||
| 1997 | $328.10M | +131.9% | +$186.60M | ||
| 1996 | $141.50M | +22.6% | +$26.10M | ||
| 1995 | $115.40M | -11.0% | −$14.30M | ||
| 1994 | $129.70M | — | — |
- 2025$2.48B+10.4%
- 2024$2.25B+21.3%
- 2023$1.85B+24.9%
- 2022$1.48B+26.9%
- 2021$1.17B-14.4%
- 2020$1.37B-16.7%
- 2019$1.64B+0.4%
- 2018$1.63B+11.4%
- 2017$1.47B+22.6%
- 2016$1.20B+15.7%
- 2015$1.03B+14.6%
- 2014$902.80M+13.1%
- 2013$798.30M-31.1%
- 2012$1.16B+72.0%
- 2011$673.40M-22.3%
- 2010$866.90M-27.9%
- 2009$1.20B+36.8%
- 2008$879.00M+62.2%
- 2007$542.00M+33.1%
- 2006$407.10M-32.0%
- 2005$598.30M-5.5%
- 2004$633.40M-24.5%
- 2003$838.89M+27.7%
- 2002$656.79M-19.7%
- 2001$818.36M-23.3%
- 2000$1.07B+122.8%
- 1999$478.57M+28.6%
- 1998$372.10M+13.4%
- 1997$328.10M+131.9%
- 1996$141.50M+22.6%
- 1995$115.40M-11.0%
- 1994$129.70M—
CapEx values are taken from Alliant Energy's reported cash flow statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About CapEx at Alliant Energy (LNT)
According to Alliant Energy's latest reported financial statements, the company's current CapEx (TTM) is $4.45B. Capital expenditures (CapEx) are cash outlays for property, plant, and equipment and other long-lived productive assets — reported on the cash flow statement under investing activities. CapEx funds future capacity (factories, data centers, software, machinery), so rising spend can signal investment in growth, while heavy CapEx reduces free cash flow available to shareholders. We display CapEx as a positive amount (the absolute cash outflow); compare with revenue to gauge capital intensity and with total assets for the asset-base context.
Headline TTM above sums the four reported quarters through (reported ). Chart and table below cover the full reported history back to .
Alliant Energy (LNT) most recent annual CapEx stands at $2.48B (2025) – grew 10.4% year-over-year.
Alliant Energy CapEx compound annual growth for the 2020–2025 (5 years) window is +12.7%, sustaining 4 straight years of year-over-year growth.
The record annual CapEx stands at $2.48B, reached in 2025; the historical low of $115.40M was recorded in 1995.
Alliant Energy Capital Expenditures by Year
Alliant Energy Capital Expenditures 2025: $2.48B
In 2025, Alliant Energy reported CapEx of $2.48B, grew 10.4% from 2024. This figure represents the highest annual value in the available history.
Alliant Energy Capital Expenditures 2024: $2.25B
Alliant Energy CapEx in 2024 was $2.25B, grew 21.3% from 2023.
Alliant Energy Capital Expenditures 2023: $1.85B
2023's CapEx for Alliant Energy came in at $1.85B, grew 24.9% from 2022.
Alliant Energy Capital Expenditures 2022: $1.48B
Alliant Energy posted CapEx of $1.48B in 2022, grew 26.9% from 2021.
Alliant Energy Capital Expenditures 2021: $1.17B
Alliant Energy CapEx in 2021 was $1.17B.
See more financial history for Alliant Energy (LNT).
Sector peers by CapEx
Utilities peers of Alliant Energy (LNT), ranked by their latest CapEx
| $14.02B | |
| $13.39B | |
| $12.64B | |
| $10.61B | |
| $9.27B | |
| $2.95B | |
| $1.28B | |
| $130.00M |
- $14.02B
- $13.39B
- $12.64B
- $10.61B
- $9.27B
- $1.28B
Frequently asked questions
Alliant Energy (LNT) Key Financials
Charts, filings, and peer comparison for every metric
Explore more
Deep-dives across the income statement, cash flow, capital return, and valuation