One of the best investments we can make is in our own knowledge and skill set. With that in mind, this article will work through how we can use Return On Equity (ROE) to better understand a business. We'll use ROE to examine Atlantica Sustainable Infrastructure plc (NASDAQ:AY), by way of a worked example.
Return on equity or ROE is an important factor to be considered by a shareholder because it tells them how effectively their capital is being reinvested. In short, ROE shows the profit each dollar generates with respect to its shareholder investments.
Check out our latest analysis for Atlantica Sustainable Infrastructure
How To Calculate Return On Equity?
The formula for ROE is:
Return on Equity = Net Profit (from continuing operations) ÷ Shareholders' Equity
So, based on the above formula, the ROE for Atlantica Sustainable Infrastructure is:
2.7% = US$45m ÷ US$1.7b (Based on the trailing twelve months to September 2023).
The 'return' refers to a company's earnings over the last year. That means that for every $1 worth of shareholders' equity, the company generated $0.03 in profit.
Does Atlantica Sustainable Infrastructure Have A Good ROE?
Arguably the easiest way to assess company's ROE is to compare it with the average in its industry. Importantly, this is far from a perfect measure, because companies differ significantly within the same industry classification. As shown in the graphic below, Atlantica Sustainable Infrastructure has a lower ROE than the average (4.7%) in the Renewable Energy industry classification.
Unfortunately, that's sub-optimal. Although, we think that a lower ROE could still mean that a company has the opportunity to better its returns with the use of leverage, provided its existing debt levels are low. A company with high debt levels and low ROE is a combination we like to avoid given the risk involved. You can see the 3 risks we have identified for Atlantica Sustainable Infrastructure by visiting our risks dashboard for free on our platform here.
Why You Should Consider Debt When Looking At ROE
Virtually all companies need money to invest in the business, to grow profits. The cash for investment can come from prior year profits (retained earnings), issuing new shares, or borrowing. In the first two cases, the ROE will capture this use of capital to grow. In the latter case, the debt required for growth will boost returns, but will not impact the shareholders' equity. Thus the use of debt can improve ROE, albeit along with extra risk in the case of stormy weather, metaphorically speaking.
Combining Atlantica Sustainable Infrastructure's Debt And Its 2.7% Return On Equity
We think Atlantica Sustainable Infrastructure uses a significant amount of debt to maximize its returns, as it has a significantly higher debt to equity ratio of 3.23. We consider it to be a negative sign when a company has a rather low ROE despite a rather high debt to equity.