AI data-centre race builds $1 trillion lease burden for Big Tech

Microsoft Corp, Meta Platforms Inc, Oracle Corp, Amazon and Alphabet have committed about **$1.09 trillion** in future payments under leases that have not yet begun, mostly for data centres needed to power the artificial intelligence boom. The commitments show that a substantial part of Big Tech's AI spending spree has already been locked in, without yet appearing as debt-like lease liabilities on company balance sheets. If demand for AI computing continues to surge, the facilities will underpin the next phase of cloud growth. If it does not, the companies could be left paying for vast amounts of costly, long-lived capacity that is difficult to shed. Oracle has the largest apparent concentration risk. It disclosed **$260 billion** of uncommenced commitments, nearly seven times its **$37.89 billion** of recognised lease liabilities. The commitments are substantially for data centres, expected to begin between fiscal 2027 and fiscal 2029, and generally run for 15 to 19 years. Oracle has warned that the duration, renewal terms and pricing of its data-centre leases may not align with customer contracts, leaving it exposed if customers do not renew or cannot perform. Its borrowings equalled about **4.4 times** trailing EBITDA at the end of May, according to a Reuters analysis of LSEG data and company filings. Including recognised operating and finance lease liabilities lifted that ratio to about **5.7 times**. S&P Global Ratings said it incorporated Oracle's **$260 billion** of uncommenced leases into its adjusted-debt forecast and expected leverage to be around **4.4** in fiscal 2027. Microsoft had the largest disclosed pipeline, at **$329.1 billion**, against **$88.52 billion** of recognised lease liabilities. Meta disclosed **$278.99 billion** of uncommenced operating and finance lease payments, then signed a further **$68 billion** of data-centre leases in July, lifting the five companies' known pipeline to about **$1.16 trillion**, including those later agreements. Alphabet reported **$85.2 billion** of uncommenced leases, while Amazon disclosed **$137.21 billion**. Amazon's figure is less directly comparable because its lease portfolio also includes warehouses, offices, aircraft and vehicles. The total is nearly four times the roughly **$285 billion** of lease liabilities already recognised on the companies' balance sheets, according to company filings compiled by Reuters. The gap reflects accounting treatment. Signed leases generally are not recorded as liabilities until a facility is available for use. Until then, companies disclose the future payments in notes to their financial statements. The commitments are not hidden, and rating agencies may already account for some of them. But their scale reveals how much of the AI buildout has yet to enter reported lease liabilities, fixed charges and reported leverage measures. The **$1.09 trillion** cannot simply be added to debt. Uncommenced lease commitments are generally undiscounted payments spread over many years, whereas recognised lease liabilities reflect their present value.

AI data-centre race builds $1 trillion lease burden for Big Tech

Big Tech's AI lease commitments top $1 trillion

Oracle, Microsoft and Meta disclose the largest pipelines

Accounting treatment leaves the burden off balance sheets for now

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