Tesla (NASDAQ: TSLA) investors will have to start discussing cash flow forecasts pretty soon. While robotaxis, Optimus robots, and unsupervised full self-driving (FSD) are far more exciting than poring over spreadsheets to estimate the relationship between Tesla’s cash reserves, capital spending requirements, and operating cash flow, the reality is that the investment case rests on the former’s influence on the latter.
CEO Elon Musk has big ambitions, and he’s backing them by pushing an aggressive ramp-up in capital expenditures for Tesla.
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After telling investors to expect an increase in capital spending to more than $20 billion in 2026 on the earnings call in January, CFO Vaibhav Taneja increased the estimate to $25 billion on the latest earnings call, a significant jump from previous years.
The spending is for good reason: specifically, to put six factories into operation, which will drive future profitability for the company.
A lithium refinery in Texas, currently in early development.
A lithium iron phosphate (LFP) battery factory in Nevada, in early development.
Cybercab production in Texas, in pilot production.
Tesla Semi production in Nevada, in pilot production.
A new Megafactory in Texas – The start of Megapack (large-scale energy storage systems) production is on track for later this year.
Optimus production, in construction in California and Texas
However, given Tesla’s commitment, alongside xAI, SpaceX, and Intel, to partner with Terafab, a semiconductor fabrication 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, with $16 billion and $16.7 billion to follow in the next couple of years. As such, Tesla will burn cash in 2026 and possibly in 2027, with a return to free-cash-flow (FCF) generation in 2028 as operating cash flow covers capital expenditures.
With the Wall Street consensus now calling 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 latter half of 2027 will help matters.
Still, with Tesla committing to significant capital spending and lingering uncertainty around the timing and magnitude of robotaxi revenue, investors will naturally focus on where cash flow is heading over the next few years. That cash flow will, at least in part, depend on growth in robotaxi revenue and, in time, Optimus, so any significant push-outs in revenue generation from those revenue catalysts will weigh on the stock and investors’ cash-flow projections.
