Alliant Energy Corporation's (NASDAQ:LNT) robust recent earnings didn't do much to move the stock. We think this is due to investors looking beyond the statutory profits and being concerned with what they see.

An Unusual Tax Situation

We can see that Alliant Energy received a tax benefit of US$163m. This is meaningful because companies usually pay tax rather than receive tax benefits. Of course, prima facie it's great to receive a tax benefit. However, the devil in the detail is that these kind of benefits only impact in the year they are booked, and are often one-off in nature. In the likely event the tax benefit is not repeated, we'd expect to see its statutory profit levels drop, at least in the absence of strong growth. So while we think it's great to receive a tax benefit, it does tend to imply an increased risk that the statutory profit overstates the sustainable earnings power of the business.

That might leave you wondering what analysts are forecasting in terms of future profitability. Luckily, you can click here to see an interactive graph depicting future profitability, based on their estimates.

Our Take On Alliant Energy's Profit Performance

Alliant Energy reported that it received a tax benefit, rather than paid tax, in its last report. Given that sort of benefit is not recurring, a focus on the statutory profit might make the company seem better than it really is. Therefore, it seems possible to us that Alliant Energy's true underlying earnings power is actually less than its statutory profit. But at least holders can take some solace from the 22% per annum growth in EPS for the last three. The goal of this article has been to assess how well we can rely on the statutory earnings to reflect the company's potential, but there is plenty more to consider. Keep in mind, when it comes to analysing a stock it's worth noting the risks involved. Be aware that Alliant Energy is showing 2 warning signs in our investment analysis and 1 of those is potentially serious...

Today we've zoomed in on a single data point to better understand the nature of Alliant Energy's profit. But there are plenty of other ways to inform your opinion of a company. For example, many people consider a high return on equity as an indication of favorable business economics, while others like to 'follow the money' and search out stocks that insiders are buying. So you may wish to see this free collection of companies boasting high return on equity, or this list of stocks with high insider ownership.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.