TSMC

Pure-play foundry, advanced logic, specialty technologies and advanced packaging

TSMC's 2025 sustainability reporting identifies water positive, net zero emissions and nature commitments, and describes a cross-regional reclaimed-water exchange model, reprocessing isopropanol waste liquid into electronic-grade products, and adoption of blue ammonia for critical chemicals. TSMC's 2025 annual report states 15.0 million 12-inch-equivalent wafer shipments and more than 17 million of annual capacity. Public sources do not establish one fab-level mass balance for water, chemicals, gases, wafer scrap and recovered-input allocation.

NT$3.809T 2025 consolidated revenue

15.0M 2025 12-inch-equivalent wafer shipments

>17M Annual 12-inch-equivalent capacity

Water positive One of TSMC's three 2025 sustainability commitments

• Silicon wafers, photoresists, specialty gases, solvents, acids, bases, metals and packaging inputs
• Ultrapure water, electricity, natural gas and cleanroom consumables
• Spent chemicals, wastewater, wafer scrap and returned process materials available for qualified recovery

Outputs and residuals to resolve

• Advanced logic and specialty semiconductors, wafers, packages and process services
• Wastewater, spent chemicals, wafer scrap, gases and cleanroom waste
• Fab-level recovery yield, supplier allocation and customer product accounting remain open

First decision: Choose one fab and one process family. Map water, chemical, gas, wafer and packaging inputs to recovery, reuse, qualification and product evidence.

TSMC reports 15.0 million 12-inch-equivalent wafer shipments and more than 17 million of annual capacity in its 2025 annual report.

Water signal

TSMC describes a cross-regional reclaimed-water exchange model for industrial users.

Chemical signal

TSMC reports reprocessing isopropanol waste liquid into electronic-grade products and adopting blue ammonia for critical chemicals.

Evidence boundary

Corporate progress is public. A complete fab and process mass balance remains a qualification task.

Decision boundary

The public record supports one bounded next move: Choose one fab and one process family. Map water, chemical, gas, wafer and packaging inputs to recovery, reuse, qualification and product evidence. It does not establish a buyer, commercial approval or supply agreement.

This is a public screening map. It separates company-disclosed flows from open qualification work. It does not convert a destination into a buyer or an announced ambition into operating capacity.

Make one fab loop auditable

A company-wide water or recycling number is not enough for a customer or process decision.

Next evidence: Select fab, process, chemical family, water loop and reporting boundary.

Scale electronic-grade recovery

TSMC has publicly described isopropanol recovery. The next question is repeatability, yield and product qualification.

Next evidence: Map supplier, recovery process, purity, reuse point and avoided virgin input.

Connect yield to material demand

Every defect and rework event carries wafer, chemical, energy and water consequences.

Next evidence: Join process-yield data to material use, scrap and recovery for one technology node.

• 2025 Sustainability Report TSMC, official sustainability reporting hub https://www.tsmc.com/english/aboutTSMC/dc_csr_report
• 2025 sustainability report announcement TSMC, official ESG newsroom https://esg.tsmc.com/en-US/articles/414
• 2025 Annual Report TSMC, official investor report archive https://investor.tsmc.com/english/annual-reports

Source hierarchy: filings and company disclosures first. The brief states what those sources support and leaves the unresolved plant, grade, permit, buyer and mass-balance questions explicit.

The next useful working session starts with: Choose one fab and one process family. Map water, chemical, gas, wafer and packaging inputs to recovery, reuse, qualification and product evidence.