Capital Expenditures for Alliant Energy (LNT)
According to Alliant Energy's latest reported financial statements, the company's current capital expenditures (TTM) is $4.61B USD. 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 .
Currently viewingCapital ExpendituresSwitch metric
Latest period
$4.61B
YoY change
+10.4%
5Y CAGR
+12.7%
Peak year (2025)
$2.48B
Cumulative capital expenditures
$31.18B
CapEx history chart for Alliant Energy (LNT) from 1994 to 2025
CapEx history table for Alliant Energy (LNT) from 1994 to 2025
| Fiscal year | Period ended | Reported | Capital Expenditures | YoY |
|---|---|---|---|---|
| 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 (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
Alliant Energy (LNT) most recent annual capital expenditures stands at $2.48B (2025) – grew 10.4% year-over-year.
Alliant Energy capital expenditures compound annual growth for the 2020–2025 (5 years) window is +12.7%, sustaining 4 straight years of year-over-year growth.
The dataset's maximum capital expenditures sits at $2.48B (2025); the minimum reading of $115.40M dates to 1995.
Within Utilities, Alliant Energy (LNT) ranks 7th among 8 peers we track. The peer median for capital expenditures is $9.94B.
Alliant Energy Capital Expenditures by Year
Alliant Energy Capital Expenditures 2025: $2.48B
Alliant Energy capital expenditures in 2025 was $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 capital expenditures in 2024 was $2.25B, grew 21.3% from 2023.
Alliant Energy Capital Expenditures 2023: $1.85B
Alliant Energy capital expenditures in 2023 was $1.85B, grew 24.9% from 2022.
Alliant Energy Capital Expenditures 2022: $1.48B
Alliant Energy capital expenditures in 2022 was $1.48B, grew 26.9% from 2021.
Alliant Energy Capital Expenditures 2021: $1.17B
Alliant Energy capital expenditures in 2021 was $1.17B.
See more financial history for Alliant Energy (LNT).
Sector peers — CapEx
Companies in the same sector as Alliant Energy, ranked by their latest capital expenditures.
| Company | Capital Expenditures | Sector |
|---|---|---|
| Duke Energy Corporation (DUK) | $14.02B | Utilities |
| The Southern Company (SO) | $13.39B | Utilities |
| Dominion Energy, Inc. (D) | $12.64B | Utilities |
| Sempra (SRE) | $10.61B | Utilities |
| NextEra Energy, Inc. (NEE) | $9.27B | Utilities |
| Constellation Energy Corporation (CEG) | $2.95B | Utilities |
| GE Vernova Inc. (GEV) | $1.28B | Utilities |
| American Electric Power Company, Inc. (AEP) | $130.00M | Utilities |
Frequently asked questions
What is Alliant Energy's capital expenditures?
- Latest reported capital expenditures for Alliant Energy (LNT) is $4.61B (period ending December 31, 2025).
How has Alliant Energy capital expenditures changed year-over-year?
- Alliant Energy (LNT) capital expenditures changed +10.4% year-over-year on the latest annual filing.
What is the long-term growth rate of Alliant Energy capital expenditures?
- Alliant Energy (LNT) capital expenditures compound annual growth rate is +12.7% over the most recent 5 years available.
When did Alliant Energy capital expenditures hit its highest annual value?
- Alliant Energy capital expenditures reached its highest annual value of $2.48B in 2025.
What was Alliant Energy capital expenditures in 2024?
- Alliant Energy (LNT) capital expenditures in 2024 was $2.25B.
What was Alliant Energy capital expenditures in 2025?
- Alliant Energy (LNT) capital expenditures in 2025 was $2.48B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
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