Micron Technology, Inc.

Semiconductor Fab

Legal name: Micron Technology, Inc. · HQ: US · Public (MU) · Founded 1978

US memory manufacturer and third HBM supplier alongside SK hynix and Samsung. Record FY2025 revenue driven by AI memory demand; expanding with Idaho mega-fabs and a $7B Singapore HBM assembly plant. Discloses energy, water, and emissions annually; manufacturing is Asia-weighted where grid carbon is high.

Disclosure Quality

Score

58/100

Transparency Grade

T-3

partial disclosure

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

Red flags identified (1)

  • RF-04 · AI-specific energy use not disclosed

See the disclosure audit below for details.

Fiscal year 2026. Score computed from OpenButterfly T1–T6 disclosure framework audit. Confidence tier: C (Estimated, Documented Method).

Environmental Metrics

Fiscal year 2025. 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

7.7 TWh

≈ the annual electricity use of 738,000 US homes

method: known_capacity_model

Source: OpenButterfly pipeline

C

Scope 1 Emissions

1.36 Mt CO₂e

≈ the annual emissions of 295,000 passenger cars

method: scope1_ratio_model

Source: OpenButterfly pipeline

E

Scope 2 Emissions (market-based)

2.71 Mt CO₂e

≈ the annual emissions of 589,000 passenger cars

method: grid_carbon_model

Source: OpenButterfly pipeline

D

Scope 3 Emissions

3.92 Mt CO₂e

≈ the annual emissions of 852,000 passenger cars

method: scope3_ratio_model

Source: OpenButterfly pipeline

E

Water Withdrawal

11.3 GL

≈ 4,527 Olympic swimming pools of water

method: wue_model

Source: OpenButterfly pipeline

D

Property-Line Noise (estimated)

~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

Total energy disclosed in the annual sustainability report.

Fully Disclosed
T1.2

AI-specific energy consumption disclosed

HBM lines — the AI-critical output driving record revenue — are not separately attributed.

RF-04 (AI-specific energy use not disclosed)

Not Disclosed
T2.1

Scope 1 GHG emissions disclosed

Scope 1 disclosed; central GHG abatement system deployed in Singapore.

Fully Disclosed
T3.1

Total water withdrawal disclosed

Water withdrawal disclosed; 75% reuse/recycle/restore goal by 2030.

Fully Disclosed
T6.1

GHG accounting methodology documented

GHG Protocol referenced with assurance.

Fully Disclosed

Sources

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