SEMI’s higher spending forecast does not translate directly into component supply
Illustrative image: Maxence Pira on Unsplash
SEMI now projects $149 billion of global 300 mm front-end fab-equipment spending in 2026, up 31% year on year. Its latest outlook puts spending at $227 billion in 2029, with double-digit annual growth continuing through the forecast period.
That is a substantial increase from the association’s April forecast of $133 billion for 2026. The revision adds $16 billion, or approximately 12%, to the earlier estimate.
The figures describe expenditure on manufacturing equipment. They do not give a corresponding percentage increase in available chips.
Equipment spending can expand output, introduce a different process or change the mix of products a fab can manufacture. Its relationship with component availability depends on which technologies receive the investment and when the resulting lines enter production.
SEMI’s construction and operating forecasts make the timing difference visible. Excluding facilities devoted solely to research and development, it expects 20 new 300 mm fabs or lines to begin construction in 2026 and 18 in 2027. Separately, 13 are projected to begin operations or ship first silicon in 2026, rising to 23 in 2027. Those are different milestones.
The memory segment also has its own investment trajectory. SEMI’s June outlook projected $52 billion of 300 mm memory-equipment investment in 2026, increasing to $57 billion in 2027. It expected memory capacity to reach 4.1 million wafers per month in 2026 and 4.2 million in 2027.
For sourcing analysis, the global total is therefore a starting point. A forecast dominated by investment in one process or device category cannot establish that an unrelated component will become easier to obtain. The practical connection runs through the relevant fab, process, product qualification and production schedule.
