Direct emissions
2,376
tCO2e
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Sustainability
Scope
REPORTED REPORTED REPORTED REPORTED ESTIMATED ESTIMATED ESTIMATED REPORTED REPORTED ESTIMATED ESTIMATED ESTIMATED 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 Score2.6 / 10Below-average scoreATransparencyVery HighExtensive disclosure across almost all key areas
Explore carbon emissions data for Bank of Ireland. 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 Bank of Ireland, 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
12,451,096tCO2e(Market Based)(Mycelium adjusted)
- Reported by Bank of Ireland
- 12,365,486 tCO₂e
- Estimated by Mycelium
- 85,610 tCO₂e
Bank of Ireland reported 99% of the adjusted total. Mycelium estimated the remaining 1% for the categories it did not disclose.
Scope 1
tCO2e
2,376
Scope 2 (Market Based)
tCO2e
3
Scope 3 total
tCO2e
12,448,717
Figures from page 164 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
0.006kgCO2e / $
Supplier specific emission factors (kgCO2e / $)
Modelled
Reported
UpstreamScope 1, 2 + upstream Scope 3
0.006
0.001
Total+ all Scope 3
–
2.630
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
- Bank of Ireland reported 12,365,486 tCO₂e in 2025.
- Scope 3 accounted for 100% of reported emissions.
- Reported across 5 of 15 GHG Protocol Scope 3 categories.
- Scope 2 reported under the market based methodology.
According to available emissions disclosures, Bank of Ireland reported total yearly emissions of 12,365,486 tCO₂e in 2025. Scope 3 emissions accounted for 100% of the reported footprint, indicating supply chain activity, purchased goods and services, business travel, and wider operational dependencies were the most significant contributors to the company's carbon footprint.
The company achieved a Mycelium Score of 2.6, placing it below average for its sector for sustainability performance, and received a transparency score of 99.7, an exceptional result, reflecting open disclosure across nearly every key emissions metric.
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
4,196
tCO2eMarket based USED IN TOTAL
3
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
27
tCO2eCat 2
Capital goods
10,004
tCO2eCat 3
Fuel & energy related activities
2,554
tCO2eCat 4
Upstream transportation & distribution
1,358
tCO2eCat 5
Waste generated in operations
4
tCO2eCat 6
Business travel
4,152
tCO2eCat 7
Employee commuting
7,858
tCO2eCat 8
Upstream leased assets
1,306
tCO2eCat 9
Downstream transportation & distribution
1,436
tCO2eCat 10
Processing of sold products
55,821
tCO2eCat 11
Use of sold products
379
tCO2eCat 12
End-of-life treatment of sold products
126
tCO2eCat 13
Downstream leased assets
923
tCO2eCat 14
Franchises
4,768
tCO2eCat 15
Investments
12,358,000
tCO2e10 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 Bank of Ireland's emissions data.
Independent assurance
Independently assured(limited assurance)by KPMGfor 2025
Climate targets
Science Based Targets initiative
Near-term target
Targets set (1.5°C), target year 2025
Source: Science Based Targets initiative, Companies Taking Action.
Contact Info
Website
bankofireland.comCountry
Ireland
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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. Bank of Ireland'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.
Bank of Ireland has disclosed the categories that carry most of its estimated footprint, so there's no single bucket dragging the transparency score down. The breakdown above shows which figures are reported and which are modelled.
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 Bank of Ireland with similar companies
Bank of Ireland carbon emissions FAQs
What are Bank of Ireland's carbon emissions?
In its 2025 reporting year, Bank of Ireland disclosed total emissions of 12,365,486 tCO2e across all scopes. Including Mycelium estimates for undisclosed categories, the adjusted total is 12,451,096 tCO2e. Scope 3 accounted for the largest share of the reported total, around 100%.
Does Bank of Ireland report Scope 1, Scope 2 and Scope 3 emissions?
For 2025, Bank of Ireland's available disclosure covers Scope 1 (2,376 tCO2e), Scope 2 (3 tCO2e) and Scope 3 across 5 of the 15 GHG Protocol categories. Figures not reported by the company are shown as modelled estimates and labelled as such.
How transparent is Bank of Ireland's emissions reporting?
Bank of Ireland has a Mycelium transparency score of 99.7 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 Bank of Ireland sustainable?
Mycelium measures sustainability through carbon emissions data rather than giving a yes or no verdict. Bank of Ireland has a Mycelium Score of 2.6 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 Bank of Ireland environmentally friendly?
Carbon emissions are one measurable part of environmental impact, and the part Mycelium tracks. Bank of Ireland disclosed 12,365,486 tCO2e for 2025, and its Mycelium Score of 2.6 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.