Greenhouse gas emissions of companies in Greece
38 Mt CO2e in 2025 from 468 EU ETS installations, aircraft and shipping companies registered in Greece, run by 403 companies; 10 Mt of it covered by free allowances. Source: Arcadium Data, data as of .
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Largest operating companies
| Operating company | Installations | Emissions 2025 | Free allocation | Allowances to buy |
|---|---|---|---|---|
| ΔΕΗ Α.Ε | 24 | 8.6 Mt | 13 kt | 8.6 Mt |
| ΕΛΛΗΝΙΚΑ ΠΕΤΡΕΛΑΙΑ Δ.Ε.Π.Π.Π. Α.Ε. | 3 | 3.7 Mt | 2.5 Mt | 1.2 Mt |
| MYTILINEOS HOLDINGS S.A. | 2 | 2.0 Mt | 0.6 Mt | 1.4 Mt |
| SHANGHAI OCEAN SHIPPING CO., LTD. | 1 | 1.3 Mt | ||
| AEGEAN AIRLINES S.A. | 1 | 1.2 Mt | 0.2 Mt | 1.0 Mt |
| ELPEDISON (ΠΡ ΕΝΕΡΓΕΙΑΚΗ ΘΕΣΣΑΛΟΝΙΚΗΣ Α.Ε.) | 2 | 1.1 Mt | ||
| EVERGREEN MARINE CORP. (TAIWAN) LTD | 1 | 0.8 Mt | ||
| KORINTHOS POWER SA | 1 | 0.6 Mt | ||
| TECHNOMAR SHIPPING INC. | 1 | 0.5 Mt | ||
| TSAKOS SHIPPING AND TRADING S.A. | 1 | 0.4 Mt | ||
| DYNAGAS LTD | 1 | 0.3 Mt | ||
| SKY EXPRESS S.A. | 1 | 0.3 Mt | 45 kt | 0.3 Mt |
| Thenamaris (Ships Management) Inc. | 1 | 0.3 Mt | ||
| MARAN TANKERS MANAGEMENT INC. | 1 | 0.3 Mt | ||
| KAVALA NOVAFERT LTD | 1 | 0.3 Mt | 0.2 Mt | 35 kt |
| MARAN GAS MARITIME INC. | 1 | 0.3 Mt | ||
| GASLOG LNG SERVICES LTD. | 1 | 0.3 Mt | ||
| SUPERFAST FERRIES S.A. | 1 | 0.2 Mt | ||
| MINERVA MARINE INC. | 1 | 0.2 Mt | ||
| ATTICA FERRIES SINGLE MEMBER MARITIME S.A. | 1 | 0.2 Mt | ||
| HALYPS BUILDING MATERIALS S.A (HALYPS CEMENT) | 1 | 0.2 Mt | 0.2 Mt | 3 kt |
| AVIN INTERNATIONAL LTD | 1 | 0.2 Mt | ||
| NEPTUNE LINES SHIPPING AND MANAGING ENTERPRISES SA | 1 | 0.2 Mt | ||
| GRECIAN MAGNESITE S.A. | 1 | 0.2 Mt | 0.2 Mt | none |
| HOLLAND AMERICA LINE N.V. | 1 | 0.2 Mt |
Largest installations
| Installation | Activity | Country | Operating company | Emissions 2025 |
|---|---|---|---|---|
| ΑΤΜΟΗΛΕΚΤΡΙΚΟΣ ΣΤΑΘΜΟΣ ΑΗΣ ΑΓΙΟΥ ΔΗΜΗΤΡΙΟΥ | Combustion of fuels | Greece | ΔΕΗ Α.Ε | 2.7 Mt |
| Refining of mineral oil | Refining of mineral oil | Greece | 2.1 Mt | |
| ΕΛΛΗΝΙΚΑ ΠΕΤΡΕΛΑΙΑ Α.Ε. ΔΙΥΛΙΣΤΗΡΙΟ ΕΛΕΥΣΙΝΑΣ | Refining of mineral oil | Greece | ΕΛΛΗΝΙΚΑ ΠΕΤΡΕΛΑΙΑ Δ.Ε.Π.Π.Π. Α.Ε. | 1.8 Mt |
| ΕΛΛΗΝΙΚΑ ΠΕΤΡΕΛΑΙΑ Α.Ε. ΔΙΥΛΙΣΤΗΡΙΟ ΑΣΠΡΟΠΥΡΓΟΥ | Refining of mineral oil | Greece | ΕΛΛΗΝΙΚΑ ΠΕΤΡΕΛΑΙΑ Δ.Ε.Π.Π.Π. Α.Ε. | 1.6 Mt |
| SHANGHAI OCEAN SHIPPING CO., LTD. | Maritime operator | Greece | SHANGHAI OCEAN SHIPPING CO., LTD. | 1.3 Mt |
| ALUMINIUM OF GREECE | Combustion of fuels | Greece | MYTILINEOS HOLDINGS S.A. | 1.2 Mt |
| AEGEAN AIRLINES S.A. | Aircraft operator activities | Greece | AEGEAN AIRLINES S.A. | 1.2 Mt |
| Combustion of fuels | Combustion of fuels | Greece | 1.1 Mt | |
| ΑΤΜΟΗΛΕΚΤΡΙΚΟΣ ΣΤΑΘΜΟΣ ΛΑΥΡΙΟΥ | Combustion of fuels | Greece | ΔΕΗ Α.Ε | 1.1 Mt |
| ΑΤΜΟΗΛΕΚΤΡΙΚΟΣ ΣΤΑΘΜΟΣ ΜΕΓΑΛΟΠΟΛΗΣ - ΜΟΝΑΔΑ V | Combustion of fuels | Greece | ΔΕΗ Α.Ε | 1.0 Mt |
| Production of cement clinker | Production of cement clinker | Greece | 1.0 Mt | |
| Production of cement clinker | Production of cement clinker | Greece | 0.9 Mt | |
| EVERGREEN MARINE CORP. (TAIWAN) LTD | Maritime operator | Greece | EVERGREEN MARINE CORP. (TAIWAN) LTD | 0.8 Mt |
| PROTERGIA S.A. | Combustion of fuels | Greece | MYTILINEOS HOLDINGS S.A. | 0.8 Mt |
| ΑΤΜΟΗΛΕΚΤΡΙΚΟΣ ΣΤΑΘΜΟΣ ΑΛΙΒΕΡΙΟΥ | Combustion of fuels | Greece | ΔΕΗ Α.Ε | 0.7 Mt |
| Production of cement clinker | Production of cement clinker | Greece | 0.7 Mt | |
| Combustion of fuels | Combustion of fuels | Greece | 0.7 Mt | |
| Production of cement clinker | Production of cement clinker | Greece | 0.7 Mt | |
| KORINTHOS POWER SA | Combustion of fuels | Greece | KORINTHOS POWER SA | 0.6 Mt |
| ΣΤΑΘΜΟΣ ΠΑΡΑΓΩΓΗΣ ΗΛΕΚΤΡΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΘΙΣΒΗΣ | Combustion of fuels | Greece | ELPEDISON (ΠΡ ΕΝΕΡΓΕΙΑΚΗ ΘΕΣΣΑΛΟΝΙΚΗΣ Α.Ε.) | 0.6 Mt |
| ΑΣΠ ΑΘΕΡΙΝΟΛΑΚΚΟΥ | Combustion of fuels | Greece | ΔΕΗ Α.Ε | 0.6 Mt |
| Production of cement clinker | Production of cement clinker | Greece | 0.6 Mt | |
| ΣΤΑΘΜΟΣ ΠΑΡΑΓΩΓΗΣ ΗΛΕΚΤΡΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΘΕΣ/ΚΗΣ | Combustion of fuels | Greece | ELPEDISON (ΠΡ ΕΝΕΡΓΕΙΑΚΗ ΘΕΣΣΑΛΟΝΙΚΗΣ Α.Ε.) | 0.5 Mt |
| TECHNOMAR SHIPPING INC. | Maritime operator | Greece | TECHNOMAR SHIPPING INC. | 0.5 Mt |
| ΑΗΣ ΛΙΝΟΠΕΡΑΜΑΤΩΝ | Combustion of fuels | Greece | ΔΕΗ Α.Ε | 0.5 Mt |
By sector
- Power and heat (60 installations)
- Metals and steel (6 installations)
- Cement, lime, glass and ceramics (31 installations)
- Pulp and paper (9 installations)
- Aviation (5 installations)
- Shipping (352 installations)
Emissions are verified EU Emissions Trading System emissions in tonnes of CO2 equivalent for 2025: the installations, aircraft operators and shipping companies covered by the ETS, not a company's total footprint (no scope 2 or 3, no sites outside the ETS). Free allocation is the free allowances allocated for the same year; "allowances to buy" is emissions minus free allocation, the exposure that grows as free allocation is phased out under CBAM from 2026. Companies only: an account holder that is not a company is never shown. Data as of 2026-10-25, updated yearly.
Emissions and allocation: European Commission, Union Registry of the EU ETS (verified emissions, free allocation, compliance and the list of operators; Commission reuse policy, CC BY 4.0). Parent company and pollutant releases of facilities: European Environment Agency, Industrial Emissions Portal (CC BY 4.0). Legal-entity identifiers: GLEIF (CC0).
Questions
Where does this data come from?
The European Commission publishes verified emissions, free allocation and compliance of every installation in the EU Emissions Trading System, and the list of operators with company registration number and LEI. We join them to the operating company, its website and its ultimate parent, and record changes each year.
Is this a full carbon footprint?
No. It covers emissions that fall under the EU ETS (power and heat, heavy industry, aviation within Europe, shipping). It has no scope 2 or scope 3 emissions and no sites outside the ETS.
Does the list show private persons?
No. Operators are shown only when they are companies. Account holders that could be natural persons are left out, and the data has no addresses or contact details.
Cite as: Arcadium Data, "Greenhouse gas emissions of companies in Greece: 38 Mt in 2025", https://arcadiumdata.io/emissions/gr/, data as of 2026-10-25.