tesla (NASDAQ:TSLA) Investors will need to start discussing cash flow forecasts very soon. While robotaxis, Optimus robots, and unattended full self-driving (FSD) are far more interesting than poring over spreadsheets to estimate the relationship between Tesla’s cash reserves, capital expenditure requirements, and operating cash flow, the reality is that the investment case is based on the influence of the former over the latter.
CEO Elon Musk has big ambitions and he’s backing them up by driving an aggressive increase in capital spending for Tesla.
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After telling investors to expect an increase in capital spending to more than $20 billion in 2026 in the January earnings call, CFO Vaibhav Taneja raised the estimate to $25 billion in the latest earnings call, a significant jump from previous years.
The expense has a good reason: namely, to get six factories up and running, which will boost the company’s future profitability.
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A lithium refinery in Texas, currently in early development.
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A lithium iron phosphate (LFP) battery factory in Nevada, in early development.
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Cybercab production in Texas, in pilot production.
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Tesla Semi production in Nevada, in pilot production.
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A new megafactory in Texas: the start of production of Megapack (large-scale energy storage systems) is planned for the end of this year.
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Optimus production, under construction in California and Texas
However, given Tesla’s commitment, along with xAI, SpaceX and Intelto partner with Terafab, a semiconductor manufacturing plant that will make chips for Tesla (for use in Optimus and electric vehicles, including Cybercab), Tesla’s spending commitments are likely to increase. The current Wall Street consensus calls for $25.6 billion in capital spending in 2026, followed by $16 billion and $16.7 billion over the next two years. As such, Tesla will burn cash in 2026 and possibly 2027, with a return to free cash flow (FCF) generation in 2028 as operating cash flow covers capital expenditures.
Now that Wall Street consensus calls for Tesla to end 2026 with $22.5 billion in net cash, the company can fund its spending commitments, and a return to FCF generation in the second half of 2027 will help.
Still, with Tesla committing to significant capital spending and lingering uncertainty over the timing and magnitude of robotaxi revenue, investors will naturally focus on where cash flow is headed in the coming years. That cash flow will depend, at least in part, on revenue growth from robotaxi and, over time, from Optimus, so any significant boost in revenue generation from those revenue catalysts will weigh on the stock’s and investors’ cash flow projections.