AI buildout math: in-service capital earns 121-160% of its cost, well above hurdles
FinanceYF5 · x · 2026-09-23
Exponential View's AI Investment Brief crunches the numbers: the $473bn of AI equipment and data centers already in service carries an annual bill of $145bn (depreciation, 2.4% running costs, 15% return) against $176bn in infrastructure revenue (121% coverage) and $232bn in total AI revenue (160%).
- Future committed capital needs infrastructure revenue to grow just 29% (12-month commitments) to 44% (24-month) annually — well below recent AI revenue CAGR of over 200%; latest compounding is 8.3%, implying a doubling in nine months.
- Two risks: commitments outrunning revenue (watch Oracle's backlog), and revenue quality — supplier-financed purchases and other low-quality instruments now fund 24.6% of the buildout, up from 22.3% in June, on pace to hit alert levels by February 2027.
Related event: Analysis suggests AI infra payback is easier than feared(2 posts)→
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