In 2025, Castech completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 2 (indirect emissions from purchased energy).
However, Castech has not published a category-level breakdown of its Scope 3 emissions, limiting visibility into specific value chain sources.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Scope 1 | N/A | N/A | N/A | |
Total Scope 2 | ||||
Unspecified Calculation Method | 13,875.666a | 12,925.665a | 11,611.41a | |
Total Scope 3 | N/A | N/A | N/A |
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In 2025, the total operational greenhouse gas (GHG) emissions of Castech amounted to 13,875.666 metric tons of CO2 equivalent. This figure reflects indirect emissions from purchased energy (Scope 2).a
Compared to 2024, the total operational greenhouse gas (GHG) emissions of Castech increased by 7.35%, suggesting that the company faced challenges in reducing its emissions from its core operations.a
In 2025, Castech reported Scope 2 greenhouse gas (GHG) emissions of 13,875.666 tCO₂e without specifying the calculation method.a
Since 2023, Castech's Scope 2 greenhouse gas (GHG) emissions (Unspecified Calculation Method) have increased by 19.5%, reflecting a rising long-term trend in Scope 2 emissions over time.a
Compared to the previous year (2024), Castech's Scope 2 emissions (Unspecified Calculation Method) have remained relatively stable, indicating that Castech's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, Castech reported its Scope 2 emissions using an unspecified methodology.a