Keio Corp

Common Name
Keio
Country
Japan
Sector
Industrials
Industry
Conglomerates
Employees
13,003
Ticker
9008
Exchange
TOKYO STOCK EXCHANGE
Description
Keio Corporation is a diversified Japanese company primarily recognized for its extensive transportation operations in the Tokyo metropolitan area. As the central entity of the Keio Group, it plays a ...

Keio's GHG Emissions Data Preview

In 2024, Keio completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).

Keio has also provided a category-level breakdown for 8 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.

Metric (tCO2e)2024202320222021 - 2017
Total Scope 1
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Total Scope 2
Unspecified Calculation Method
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Total Scope 3
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Total Scope 1 Revenue Intensity (tCO2e/$M)
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Verified Sources Behind Keio’s Greenhouse Gas (GHG) Emissions Data

Every figure on this dashboard has a transparent audit trail. With Tracenable, each data point is traceable back to its original source, viewable directly inside our platform. Explore Keio’s data sources below and access millions more through our Disclosure Search.

a. Keio's ESG Data Spreadsheet 2025
a. Keio's ESG Data Spreadsheet 2025
b. Keio's Integrated Report 2024
b. Keio's Integrated Report 2024

Insights into Keio's Operational Emissions

In 2024, the total operational greenhouse gas (GHG) emissions of Keio amounted to 286,699 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2). a

Compared to 2023, the total operational greenhouse gas (GHG) emissions of Keio increased by 1.74%, suggesting that the company faced challenges in reducing its emissions from its core operations. a

Keio's Scope 1 Emissions Over Time

2021202220232024025 k50 k75 k100 ktCO2e+2%+5%-10%
  • Total Scope 1
  • Year-over-Year Change

What are Keio's Scope 1 emissions?

In 2024, the total Scope 1 emissions of Keio were 81,145 metric tons of CO₂ equivalent (tCO₂e). a

Has Keio reduced its Scope 1 emissions over time?

Since 2021, Keio's Scope 1 emissions have decreased by 3.4%, reflecting a declining long-term trend in Scope 1 emissions over time. a b

Compared to the previous year (2023), Keio's Scope 1 emissions decreased by 10.02%, highlighting the company's efforts to lower direct emissions from assets it owns or controls. a

What are Keio's Scope 2 emissions?

In 2024, Keio reported Scope 2 greenhouse gas (GHG) emissions of 205,554 tCO₂e without specifying the calculation method. a

Has Keio reduced its Scope 2 emissions over time?

Since 2021, Keio's Scope 2 greenhouse gas (GHG) emissions ( Unspecified Calculation Method) have remained relatively stable, indicating that Keio 's emissions have plateaued with no significant change in its energy consumption footprint. a b

Compared to the previous year (2023), Keio's Scope 2 emissions (Unspecified Calculation Method) have remained relatively stable, indicating that Keio 's emissions have plateaued with no significant change in its energy consumption footprint. a

What methodology does Keio use for Scope 2 reporting?

In 2024, Keio reported its Scope 2 emissions using an unspecified methodology. a

Keio's Scope 2 Emissions Over Time

2021202220232024060 k120 k180 k240 ktCO2e
  • Total Scope 2 (Unspecified Calculation Method)

Insights into Keio's Value Chain Emissions

In 2024, Keio reported 988,002 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain. a

The 2024 disclosure of Keio includes a breakdown across 8 of the 15 Scope 3 categories defined by the GHG Protocol, matching the level of disclosure in 2023, demonstrating consistent Scope 3 emissions reporting coverage year over year. a

Keio's Scope 3 Emissions Over Time

2022202320240250 k500 k750 k1 MtCO2e0%+20%
  • Total Scope 3
  • Year-over-Year Change

What are Keio's Scope 3 emissions?

In 2024, Keio reported total Scope 3 emissions of 988,002 metric tons of CO₂ equivalent (tCO₂e). a

Approximately 90.93% of these emissions originated from upstream activities such as purchased goods and capital goods, while 9.07% came from downstream activities like product use, distribution, and end-of-life treatment. a

Compared to the previous year (2023), Keio's Scope 3 emissions increased by 19.71%, suggesting that the company faced challenges in reducing emissions across its value chain. a

What categories of Scope 3 emissions does Keio disclose?

In 2024, Keio reported emissions for 8 out of the 15 Scope 3 categories defined by the GHG Protocol. a

This partial disclosure allows for some insight into the company's indirect impacts.

What are the main sources of Keio's Scope 3 emissions?

In 2024, the largest contributors to Keio's Scope 3 emissions were: a

  • Purchased Goods and Services (Cat. 1): 698,284 tCO₂e (70.68%)
  • Capital Goods (Cat. 2): 116,696 tCO₂e (11.81%)
  • Downstream Leased Assets (Cat. 13): 50,482 tCO₂e (5.11%)

Keio's Scope 3 Emissions by Categories

Capital Goods(Cat. 2)(11.8%)Purchased Goods andServices (Cat. 1)(70.7%)Downstream LeasedAssets (Cat. 13)(5.1%)

Insights into Keio’s GHG Emissions Intensity Compared to Industry Peers

In 2024, Keio reported Scope 1 greenhouse gas (GHG) emissions of 81,145 tCO₂e and total revenues of USD 2,699 millions. This translates into an emissions intensity of 30.07 tCO₂e per millions USD. a

Keio's Scope 1 Emissions Intensity Compared to Peers

550020,0002,000,000100,000,000Scope 1 Emissions (tCO2e)101002,00020,000500,000Revenues (Millions of USD)HKKTNichiasYear: 2023Scope 1: 108,000 tCO2eRevenue: $M 1,788Scope 1 Intensity: 60.41 tCO2e/$MMitsui & CoYear: 2024Scope 1: 2,637,000 tCO2eRevenue: $M 87,988Scope 1 Intensity: 29.97 tCO2e/$MKyushu RailwayYear: 2025Scope 1: 130,000 tCO2eRevenue: $M 3,030Scope 1 Intensity: 42.90 tCO2e/$MTOPPAN HoldingsYear: 2023Scope 1: 257,000 tCO2eRevenue: $M 12,303Scope 1 Intensity: 20.89 tCO2e/$MItochuYear: 2025Scope 1: 1,087,000 tCO2eRevenue: $M 98,186Scope 1 Intensity: 11.07 tCO2e/$MHHHankyu Hanshin HoldingsYear: 2023Scope 1: 103,476 tCO2eRevenue: $M 7,269Scope 1 Intensity: 14.23 tCO2e/$MTeijinYear: 2022Scope 1: 750,000 tCO2eRevenue: $M 7,589Scope 1 Intensity: 98.82 tCO2e/$MAica KogyoYear: 2023Scope 1: 65,529 tCO2eRevenue: $M 1,817Scope 1 Intensity: 36.06 tCO2e/$MMitsubishiYear: 2024Scope 1: 20,537,000 tCO2eRevenue: $M 129,210Scope 1 Intensity: 158.94 tCO2e/$MSotetsu HoldingsYear: 2023Scope 1: 40,882 tCO2eRevenue: $M 1,874Scope 1 Intensity: 21.81 tCO2e/$MDai Nippon PrintingYear: 2024Scope 1: 323,000 tCO2eRevenue: $M 9,408Scope 1 Intensity: 34.33 tCO2e/$MKKKintetsu Group HoldingsYear: 2023Scope 1: 126,730 tCO2eRevenue: $M 11,719Scope 1 Intensity: 10.81 tCO2e/$MMarubeniYear: 2024Scope 1: 948,825 tCO2eRevenue: $M 47,877Scope 1 Intensity: 19.82 tCO2e/$MSojitzYear: 2023Scope 1: 577,458 tCO2eRevenue: $M 18,617Scope 1 Intensity: 31.02 tCO2e/$MSekisui ChemicalYear: 2023Scope 1: 183,000 tCO2eRevenue: $M 9,328Scope 1 Intensity: 19.62 tCO2e/$MFujifilm HoldingsYear: 2023Scope 1: 534,000 tCO2eRevenue: $M 21,464Scope 1 Intensity: 24.88 tCO2e/$MNS SolutionsYear: 2023Scope 1: 94 tCO2eRevenue: $M 17Scope 1 Intensity: 5.68 tCO2e/$MKKKeihan HoldingsYear: 2023Scope 1: 60,660 tCO2eRevenue: $M 1,952Scope 1 Intensity: 31.07 tCO2e/$MKeikyuYear: 2023Scope 1: 64,124 tCO2eRevenue: $M 1,899Scope 1 Intensity: 33.76 tCO2e/$MHitachiYear: 2024Scope 1: 390,000 tCO2eRevenue: $M 64,241Scope 1 Intensity: 6.07 tCO2e/$MDeNAYear: 2023Scope 1: 10 tCO2eRevenue: $M 1,010Scope 1 Intensity: 0.01 tCO2e/$MTTTokyo MetroYear: 2023Scope 1: 4,000 tCO2eRevenue: $M 2,593Scope 1 Intensity: 1.54 tCO2e/$MIwataniYear: 2023Scope 1: 116,000 tCO2eRevenue: $M 6,804Scope 1 Intensity: 17.05 tCO2e/$MKeioYear: 2024Scope 1: 81,145 tCO2eRevenue: $M 2,699Scope 1 Intensity: 30.07 tCO2e/$M

How does Keio's GHG emissions intensity compare to its peers?

In 2024, Keio reported a Scope 1 emissions intensity of 30.07 tCO₂e per millions USD. Compared to the peer group median of 21.81 , this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors. a

Where does Keio rank on GHG emissions intensity within its industry?

In 2024, Keio ranked 15 out of 23 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD). a

Keio is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency. a

Insights into Keio's Total Carbon Footprint

In 2024, Keio reported a total carbon footprint of 1,274,701 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 15.14% increase compared to 2023, suggesting a rise in emissions across its operations or value chain. a

The largest contributor to Keio's total carbon footprint was Scope 3 emissions, accounting for 77.51% of the company's total carbon footprint, followed by Scope 2 emissions at 16.13%. a

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