Taiwan Semiconductor Manufacturing Company

Semiconductor Fab

Legal name: Taiwan Semiconductor Manufacturing Company · HQ: TW · Public (TSM) · Founded 1987

World's leading semiconductor foundry, manufacturing chips for NVIDIA, AMD, Apple, and others. The most water-intensive entity in the AI supply chain. Publishes energy and water data at the company level; fab-level data for specific customers is not disclosed.

Disclosure Quality

Score

42/100

Transparency Grade

T-3

partial disclosure

Grades run T-1 (most transparent) to T-5 (least transparent).

Red flags identified (1)

  • RF-06 · Supply-chain environmental impact not disclosed

See the disclosure audit below for details.

Fiscal year 2023. Score computed from OpenButterfly T1–T6 disclosure framework audit. Confidence tier: C (Estimated, Documented Method).

Environmental Metrics

Fiscal year 2024. Each metric is shown at its most recent available year; rows from a different year are marked.

Confidence tiers: A measured and verified · B company-reported · C documented estimate · D uncertain estimate · E modeled · ND not disclosed.

Total Energy Consumption

28.1 TWh

≈ the annual electricity use of 2.7 million US homes

method: known_capacity_model

Source: OpenButterfly pipeline

C

Scope 1 Emissions

1.58 Mt CO₂e

≈ the annual emissions of 344,000 passenger cars

Source: OpenButterfly pipeline

B

Scope 2 Emissions (location-based)FY 2023

Not DisclosedNDchecked 2025-05-23

Location-based Scope 2 not isolated in 2023 reporting.

ND

Scope 2 Emissions (market-based)

10.93 Mt CO₂e

≈ the annual emissions of 2.4 million passenger cars

Source: OpenButterfly pipeline

B

Scope 3 Emissions

14.07 Mt CO₂e

≈ the annual emissions of 3.1 million passenger cars

method: scope3_ratio_model

Source: OpenButterfly pipeline

E

Water Withdrawal

41.0 GL

≈ 16,000 Olympic swimming pools of water

method: wue_model

Source: OpenButterfly pipeline

D

Property-Line Noise (estimated)FY 2026

~59.3 dBA at property line

method: cooling_load_noise_model

Source: OpenButterfly pipeline

E

Disclosure Audit

Show 5 disclosure checks (T1–T6 framework)
T1.1

Total electricity consumption disclosed

23,581 GWh disclosed.

Fully Disclosed
T3.1

Total water withdrawal disclosed

Water use disclosed as tonnes/day for Taiwan fabs; not as annual ML total.

Partial
T2.1

Scope 1 GHG emissions disclosed

GHG data disclosed at company level; not isolatable to specific process nodes.

Partial
T5.2

Customer attribution methodology documented

No customer-level attribution of environmental impacts is provided.

RF-06 (Supply-chain environmental impact not disclosed)

Not Disclosed
T6.1

GHG accounting methodology documented

References ISO 14064 and GHG Protocol; limited process-level detail.

Partial

Sources

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