TSMC Arizona Fab 21 phase-by-phase production milestone schedule, 2024-2030 Confidence ? achieved in progress planned reported-unconfirmed 2024 2025 2026 2027 2028 2029 2030 P1 (Fab 1) P2 (Fab 2) P3 (Fab 3) P4 + AP1 ?
Milestones, phase by phase
Phase 1 (Fab 1)
2024N4/N5 — volume productionachieved
2024N4 — yield parity with Taiwanachieved
Phase 2 (Fab 2)
2026N3 — equipment installationin progress
2027N3 — 3nm productionplanned
2027N2 (reported pull-in from P3) — mass production (initial ~20k wpm)reported-unconfirmed
Phase 3 (Fab 3)
2030N2/A16 — productionplanned
Phase 4 + AP1
2026N2/A16 + first advanced packaging (SoIC) — prep / construction startin progress
The N2 pull-in into Phase 2 rests on a single-source June 2026 report — carried here as a to-watch signal, not a confirmed milestone. No milestones are attested for 2025, 2028, or 2029.