Direct emissions
66,809
tCO2e
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Sustainability
Scope
REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED REPORTED ESTIMATED REPORTED ESTIMATED ESTIMATED ESTIMATED REPORTED ESTIMATED REPORTED 
Read the full scoring methodologyOur white paper covers exactly how the Mycelium Score and Transparency Score are calculated, including the normalisation process and what earns a 10/10.Download the white paper (PDF)
Mycelium Score1.9 / 10Significant room to improveCTransparencyModerateModerate disclosure with some gaps
Explore carbon emissions data for AUO Corporation. Mycelium helps you review reported emissions, disclosure status, Scope 1, Scope 2 and Scope 3 data, climate targets and sustainability information in one company profile.
This profile brings together available carbon emissions data for AUO Corporation, including reported figures, modelled estimates, disclosure documents and sustainability indicators, so you can review its emissions and compare its performance against similar companies. It is one entry in the Mycelium emissions database. Read how we source and check this data.
Emissions
Carbon emissions
Total yearly emissions across all scopes
12,287,429tCO2e(Location Based)(Mycelium adjusted)
- Reported by AUO Corporation
- 4,598,419 tCO₂e
- Estimated by Mycelium
- 7,689,010 tCO₂e
AUO Corporation reported 37% of the adjusted total. Mycelium estimated the remaining 63% for the categories it did not disclose.
Scope 1
tCO2e
66,809
Scope 2 (Location Based)
tCO2e
2,361,056
Scope 3 total
tCO2e
9,859,564
Figures from pages 209 and 213 of the source report
Scope 3 reported
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
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See the scope breakdownProvenance
Emissions
Factors
0.561kgCO2e / $
Supplier specific emission factors (kgCO2e / $)
Modelled
Reported
UpstreamScope 1, 2 + upstream Scope 3
0.561
0.560
Total+ all Scope 3
–
0.570
Per US dollar of revenue. Mycelium models the upstream factor only.
Which figure should I use?
Estimating your own supply-chain emissions from spend with this company? Use Upstream Modelled. The GHG Protocol defines purchased-goods emissions as cradle-to-gate, which means this company's own operations plus its upstream supply chain. Any of those emissions the company has not disclosed are filled with modelled estimates, so a transparent company is not unfairly penalised against one that simply has not reported.
Looking at what the company filed itself? Use the Reported column. Total Reported also includes downstream emissions, such as the lifetime use of the products this company sells, which the GHG Protocol attributes to the users of those products rather than to customers buying goods and services.
Reported counts only emissions the company has filed itself. A blank or low Reported cell does not mean those emissions do not exist, just that the company has not disclosed them. When Upstream Reported sits close to Upstream Modelled, that is a positive signal: the company has disclosed most of its upstream emissions.
Sustainability
Snapshot
Based on reported data, retrieved with AI
- AUO Corporation reported 4,598,419 tCO₂e in 2023.
- Scope 3 accounted for 47% of reported emissions.
- Reported across 10 of 15 GHG Protocol Scope 3 categories.
- Scope 2 reported under the location based methodology.
According to available emissions disclosures, AUO Corporation reported total yearly emissions of 4,598,419 tCO₂e in 2023. Scope 2 emissions accounted for 51% of the reported footprint, indicating purchased energy was the most significant contributor to its carbon footprint.
The company achieved a Mycelium Score of 1.9, placing it well below average for its sector for sustainability performance, and received a transparency score of 70.5, meaning they share a fair amount, though with some gaps along the way.
Scope
breakdown
Scope 1 emissions
Direct emissions from sources the company owns or controls, such as fuel use, facilities and vehicles.
Scope 2 emissions
Indirect emissions from purchased energy, including electricity, heating and cooling.
Location based
2,361,056
tCO2eMarket based
–
tCO2eScope 3 emissions
Wider value chain emissions across the 15 GHG Protocol categories, from purchased goods and business travel to investments, where reported.
Cat 1
Purchased goods & services
825,779
tCO2eCat 2
Capital goods
163,598
tCO2eCat 3
Fuel & energy related activities
447,727
tCO2eCat 4
Upstream transportation & distribution
639,882
tCO2eCat 5
Waste generated in operations
1,687
tCO2eCat 6
Business travel
979
tCO2eCat 7
Employee commuting
13,342
tCO2eCat 8
Upstream leased assets
3,338
tCO2eCat 9
Downstream transportation & distribution
25,540
tCO2eCat 10
Processing of sold products
65,897
tCO2eCat 11
Use of sold products
7,591,517
tCO2eCat 12
End-of-life treatment of sold products
955
tCO2eCat 13
Downstream leased assets
14,874
tCO2eCat 14
Franchises
27,303
tCO2eCat 15
Investments
37,147
tCO2e5 values were derived via Mycelium's normalisation process rather than reported by the company. A cell marked “ESTIMATED” is a figure the company did not disclose, modelled by Mycelium.
Verification
Independent third parties involved in checking or preparing AUO Corporation's emissions data.
Independent assurance
Independently assured(reasonable assurance)by DNV Business Assurance Co., Ltd.for 2023
Climate targets
Science Based Targets initiative
Near-term target
Targets set (1.5°C), target year 2030
Source: Science Based Targets initiative, Companies Taking Action.
Contact Info
Website
www.auo.comCountry
Taiwan, Province of China
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How scoring works
How the Mycelium Score is calculated
The Mycelium Score is out of 10. Up to 6.5 points reflect carbon intensity vs peers in the same NACE section (emissions normalised against revenue, log-scaled between the 5th and 95th percentile of each company's latest reporting year in that section; a section needs at least 5 companies to be benchmarked). The band above 6.5 is earned through verified data quality on a claimed profile: declaring every reporting category yourself (up to 2.0), preparation by a carbon accountant (2.0) and independently audited figures (2.0). The total is multiplied by the transparency score and capped at 10. A disclosure with an implausibly large figure (Scope 1 or 2 over 300 million tonnes, a Scope 3 figure over 2 billion tonnes or a total over 2.5 billion tonnes) is not scored until it has been checked.
A higher score means lower carbon intensity than sector peers, backed by data that's third-party verified, claimed by the company, and fully disclosed. AUO Corporation's score sits at the top of this page and in the score panel. Without a revenue figure to measure carbon intensity, or an industry classification to compare it within, a company has no score.
How the Transparency Score is calculated
The Transparency Score is the share of a company's estimated footprint that it reported itself, graded from A (very high) down to F (very low). Where a category is missing, Mycelium models what it would hold for a company of that size and industry and counts it as undisclosed, so an unreported category where the bulk of emissions sit hurts far more than a minor one. Unreported downstream categories (9 to 15) count at a quarter of their modelled size in this share; the carbon intensity behind the score still counts them in full. A Scope 3 total filed without a category breakdown earns very little credit for the part left unattributed, because it does not show which categories are inside it: a company can count business travel, leave purchased goods out entirely, and the total looks the same. Without a revenue figure the footprint cannot be modelled, so the company has no Transparency Score.
For AUO Corporation, the single biggest gap is Use of sold products (Scope 3 Category 11). Mycelium estimates it accounts for around 62% of the company's estimated footprint, yet it hasn't been disclosed. Leaving a bucket this large unreported is what's holding the transparency score down.
In total, roughly 63% of AUO Corporation's estimated emissions sit in categories it hasn't reported. Disclosing these would be the fastest way to raise the transparency score.
Read the full scoring methodologyOur white paper covers exactly how the Mycelium Score and Transparency Score are calculated, including the normalisation process and what earns a 10/10.Download the white paper (PDF)Compare AUO Corporation with similar companies
AUO Corporation carbon emissions FAQs
What are AUO Corporation's carbon emissions?
In its 2023 reporting year, AUO Corporation disclosed total emissions of 4,598,419 tCO2e across all scopes. Including Mycelium estimates for undisclosed categories, the adjusted total is 12,287,429 tCO2e. Scope 2 accounted for the largest share of the reported total, around 51%.
Does AUO Corporation report Scope 1, Scope 2 and Scope 3 emissions?
For 2023, AUO Corporation's available disclosure covers Scope 1 (66,809 tCO2e), Scope 2 (2,361,056 tCO2e) and Scope 3 across 10 of the 15 GHG Protocol categories. Figures not reported by the company are shown as modelled estimates and labelled as such.
How transparent is AUO Corporation's emissions reporting?
AUO Corporation has a Mycelium transparency score of 70.5 out of 100. The score is the share of the company's estimated footprint that it reported itself, so an undisclosed category where most of its emissions sit weighs far more than a minor one.
Is AUO Corporation sustainable?
Mycelium measures sustainability through carbon emissions data rather than giving a yes or no verdict. AUO Corporation has a Mycelium Score of 1.9 out of 10, which reflects its emissions intensity against sector peers together with how transparent and well-verified its reporting is. The emissions figures, disclosure documents and climate targets on this page give the fuller picture.
Is AUO Corporation environmentally friendly?
Carbon emissions are one measurable part of environmental impact, and the part Mycelium tracks. AUO Corporation disclosed 4,598,419 tCO2e for 2023, and its Mycelium Score of 1.9 out of 10 shows how that performance compares with similar companies in its sector.
Learn more about our methodology and where this data comes from.