The external fund manager backed by Berkshire Hathaway's Charlie Munger, Li Lu, makes no bones about it when he says 'The biggest investment risk is not the volatility of prices, but whether you will suffer a permanent loss of capital.' So it seems the smart money knows that debt - which is usually involved in bankruptcies - is a very important factor, when you assess how risky a company is. Importantly, Altus Power, Inc. (NYSE:AMPS) does carry debt. But should shareholders be worried about its use of debt?

What Risk Does Debt Bring?

Debt and other liabilities become risky for a business when it cannot easily fulfill those obligations, either with free cash flow or by raising capital at an attractive price. Part and parcel of capitalism is the process of 'creative destruction' where failed businesses are mercilessly liquidated by their bankers. However, a more usual (but still expensive) situation is where a company must dilute shareholders at a cheap share price simply to get debt under control. Of course, the upside of debt is that it often represents cheap capital, especially when it replaces dilution in a company with the ability to reinvest at high rates of return. The first thing to do when considering how much debt a business uses is to look at its cash and debt together.

How Much Debt Does Altus Power Carry?

As you can see below, at the end of March 2024, Altus Power had US$1.33b of debt, up from US$868.3m a year ago. Click the image for more detail. On the flip side, it has US$173.3m in cash leading to net debt of about US$1.15b.

How Healthy Is Altus Power's Balance Sheet?

We can see from the most recent balance sheet that Altus Power had liabilities of US$146.1m falling due within a year, and liabilities of US$1.54b due beyond that. Offsetting these obligations, it had cash of US$173.3m as well as receivables valued at US$20.1m due within 12 months. So its liabilities outweigh the sum of its cash and (near-term) receivables by US$1.49b.

The deficiency here weighs heavily on the US$615.5m company itself, as if a child were struggling under the weight of an enormous back-pack full of books, his sports gear, and a trumpet. So we'd watch its balance sheet closely, without a doubt. After all, Altus Power would likely require a major re-capitalisation if it had to pay its creditors today.

We measure a company's debt load relative to its earnings power by looking at its net debt divided by its earnings before interest, tax, depreciation, and amortization (EBITDA) and by calculating how easily its earnings before interest and tax (EBIT) cover its interest expense (interest cover). This way, we consider both the absolute quantum of the debt, as well as the interest rates paid on it.

Weak interest cover of 0.44 times and a disturbingly high net debt to EBITDA ratio of 14.4 hit our confidence in Altus Power like a one-two punch to the gut. The debt burden here is substantial. The good news is that Altus Power improved its EBIT by 5.7% over the last twelve months, thus gradually reducing its debt levels relative to its earnings. When analysing debt levels, the balance sheet is the obvious place to start. But ultimately the future profitability of the business will decide if Altus Power can strengthen its balance sheet over time. So if you're focused on the future you can check out this free report showing analyst profit forecasts.

Finally, while the tax-man may adore accounting profits, lenders only accept cold hard cash. So the logical step is to look at the proportion of that EBIT that is matched by actual free cash flow. During the last three years, Altus Power burned a lot of cash. While investors are no doubt expecting a reversal of that situation in due course, it clearly does mean its use of debt is more risky.

Our View

To be frank both Altus Power's conversion of EBIT to free cash flow and its track record of staying on top of its total liabilities make us rather uncomfortable with its debt levels. But at least its EBIT growth rate is not so bad. After considering the datapoints discussed, we think Altus Power has too much debt. While some investors love that sort of risky play, it's certainly not our cup of tea. When analysing debt levels, the balance sheet is the obvious place to start. However, not all investment risk resides within the balance sheet - far from it. For example, we've discovered 2 warning signs for Altus Power (1 is a bit concerning!) that you should be aware of before investing here.

When all is said and done, sometimes its easier to focus on companies that don't even need debt. Readers can access a list of growth stocks with zero net debt 100% free, right now.

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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.