In 2025, Petronas Gas conducted an environmental assessment and disclosed corporate waste management data in accordance with recognized sustainability reporting standards.The company provided a breakdown of its waste by type (hazardous vs non-hazardous) and treatment method (recovery vs disposal), enabling greater transparency into its waste handling and environmental practices.
| Metric (tonnes) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Waste Generated | 6,588.99a | 2,504.56a | 3,272a | |
Total Waste Recovered | 5,066.77a | 1,799.13a | 2,104a | |
Total Hazardous Waste Generated | 5,835.99a | 1,889.37a | 2,817a | |
Non-Hazardous Waste Disposed | 719a | 577a | 428a |
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In 2025, Petronas Gas generated a total of 6,589metric tonnes of waste.a
Of this amount, 76.9% of Petronas Gas's total waste generated was recovered through methods such as recycling, reuse, or composting, while 13.94% was disposed of through landfilling, incineration, or combustion.The remaining 9.16% was either treated using unspecified methods or not clearly categorized.a
In 2025, Petronas Gas reported a total waste generation of 6,589 metric tonnes, of which 76.9% was recovered through recycling, reuse, or composting.This high recovery rate suggests that Petronas Gas has implemented strong circular economy practices and actively prioritizes sustainable waste management.a
Since 2023, Petronas Gas's total waste generation increased by 101.38%, including a 163.08%increase in 2025, indicating a persistent upward trend that may reflect scaling operations, inefficiencies in resource use, or a lack of effective waste minimization practices.a
Over the same period, Petronas Gas's waste recovery rate increased by 19.59%, including a 7.05% rise in 2025, indicating growing emphasis on circularity and improved operational practices for diverting waste from disposal.a
Overall, Petronas Gas has seen a consistent rise in waste generation both over the long term and in the year 2025. However, the company has also steadily improved its waste recovery performance, suggesting that it is actively working to offset the environmental consequences of increased production through enhanced circularity efforts.
In 2025, Petronas Gas generated a total of 6,589 metric tonnes of waste.a
Of this amount, 88.57% of Petronas Gas's total waste generated of was classified as hazardous waste, characterized by properties such as toxicity, flammability, corrosiveness, or reactivity that may pose risks to human health, ecosystems, or the environment.11.43% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2023, Petronas Gas's total waste generation increased by 101.38%, including a 163.08% rise in 2025, reflecting a persistent upward trend that could be linked to operational growth, inefficient material use, or limited investment in waste prevention systems.a
Over the same period, the share of hazardous waste in Petronas Gas's total output increased by 2.88%, including a further 17.41% rise in 2025, suggesting a troubling upward shift toward more environmentally harmful waste streams that could raise compliance costs and environmental risks.a
Overall, Petronas Gas has seen a continuous rise in both total waste and hazardous waste over time, signaling a worsening environmental impact that may require urgent reassessment of material sourcing, production processes, or waste mitigation strategies.a
In 2025, Petronas Gas reported that 5,836 metric tonnes of its total waste output were classified as hazardous. This represents 88.57% of its overall waste generation.a
The company treated this hazardous waste using a combination of methods.A majority (86.23%) was diverted from disposal through recovery-oriented treatments such as recycling or reuse. This suggests that Petronas Gas has established processes to reduce the environmental burden of its most harmful waste streams.a