Just because a business does not make any money, does not mean that the stock will go down. For example, although software-as-a-service business Salesforce.com lost money for years while it grew recurring revenue, if you held shares since 2005, you'd have done very well indeed. Nonetheless, only a fool would ignore the risk that a loss making company burns through its cash too quickly.
So, the natural question for NET Power (NYSE:NPWR) shareholders is whether they should be concerned by its rate of cash burn. For the purpose of this article, we'll define cash burn as the amount of cash the company is spending each year to fund its growth (also called its negative free cash flow). The first step is to compare its cash burn with its cash reserves, to give us its 'cash runway'.
View our latest analysis for NET Power
You can calculate a company's cash runway by dividing the amount of cash it has by the rate at which it is spending that cash. When NET Power last reported its December 2024 balance sheet in March 2025, it had zero debt and cash worth US$508m. In the last year, its cash burn was US$102m. Therefore, from December 2024 it had 5.0 years of cash runway. While this is only one measure of its cash burn situation, it certainly gives us the impression that holders have nothing to worry about. Depicted below, you can see how its cash holdings have changed over time.
Whilst it's great to see that NET Power has already begun generating revenue from operations, last year it only produced US$250k, so we don't think it is generating significant revenue, at this point. As a result, we think it's a bit early to focus on the revenue growth, so we'll limit ourselves to looking at how the cash burn is changing over time. During the last twelve months, its cash burn actually ramped up 67%. Oftentimes, increased cash burn simply means a company is accelerating its business development, but one should always be mindful that this causes the cash runway to shrink. While the past is always worth studying, it is the future that matters most of all. For that reason, it makes a lot of sense to take a look at our analyst forecasts for the company.
While NET Power does have a solid cash runway, its cash burn trajectory may have some shareholders thinking ahead to when the company may need to raise more cash. Companies can raise capital through either debt or equity. Commonly, a business will sell new shares in itself to raise cash and drive growth. By comparing a company's annual cash burn to its total market capitalisation, we can estimate roughly how many shares it would have to issue in order to run the company for another year (at the same burn rate).
NET Power's cash burn of US$102m is about 9.9% of its US$1.0b market capitalisation. Given that is a rather small percentage, it would probably be really easy for the company to fund another year's growth by issuing some new shares to investors, or even by taking out a loan.
As you can probably tell by now, we're not too worried about NET Power's cash burn. For example, we think its cash runway suggests that the company is on a good path. While its increasing cash burn wasn't great, the other factors mentioned in this article more than make up for weakness on that measure. Looking at all the measures in this article, together, we're not worried about its rate of cash burn; the company seems well on top of its medium-term spending needs. Separately, we looked at different risks affecting the company and spotted 2 warning signs for NET Power (of which 1 shouldn't be ignored!) you should know about.
Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list of companies with significant insider holdings, and this list of stocks growth stocks (according to analyst forecasts)
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