Alliant Energy Long Term Debt

As of the most recent data (June 2026), LNT shows a long-term debt of $11B. That compares with $9.6B in the prior-year period — up 10.3% year over year. Scroll down for historical charts and peer comparison views.

Compared with the year-ago period, LNT's long-term debt is now $11B (was $9.6B) — a 10.3% year-over-year increase. Pairing that YoY change with peer averages gives a clearer picture of whether Alliant Energy is outperforming or lagging.

Tracking LNT's long-term debt over time shows whether Alliant Energy is scaling, shrinking, or reshaping that part of the business. The current reading is $11B That compares with $9.6B in the prior-year period — up 10.3% year over year. Multi-quarter patterns matter more than any single print, which is why this page emphasizes history and peer comparison charts.

Besides this long-term debt page, Stockcircle has Alliant Energy's full stock overview, other financial metrics, insider and congress trade tabs, and tools to follow the stock. Together they help you connect long-term debt (currently $11B) with ownership activity and broader fundamentals.

Alliant Energy's long-term debt is $11B; compare it with other Utilities names on the peer chart. Typical ranges vary by sub-industry, so always sanity-check against the closest competitors, not just the whole sector bucket.