In 2025, Tenaga Nasional 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 | 1,012,256a | 895,996a | 929,123a | |
Total Waste Recovered | 547,444a | 479,579a | 440,595a | |
Total Hazardous Waste Generated | 1,010,753.47a | 895,038a | 929,123a | |
Non-Hazardous Waste Disposed | 1,304.6a | 831a | N/A |
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In 2025, Tenaga Nasional generated a total of 1,012,256metric tonnes of waste.a
Of this amount, 54.08% of Tenaga Nasional's total waste generated was recovered through methods such as recycling, reuse, or composting, while 45.92% was disposed of through landfilling, incineration, or combustion.a
In 2025, Tenaga Nasional reported a total waste generation of 1,012,256 metric tonnes, of which 54.08% was recovered through recycling, reuse, or composting.This moderate level of recovery indicates that Tenaga Nasional is taking steps toward improving its waste diversion practices, though there is still room to enhance recycling and recovery efforts.a
Since 2023, Tenaga Nasional's total waste generation increased by 8.95%, including a 12.98%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, Tenaga Nasional's waste recovery rate increased by 14.05%, including a 1.04% rise in 2025, indicating growing emphasis on circularity and improved operational practices for diverting waste from disposal.a
Overall, Tenaga Nasional 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, Tenaga Nasional generated a total of 1,012,256 metric tonnes of waste.a
Of this amount, 99.85% of Tenaga Nasional'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.0.15% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2023, Tenaga Nasional's total waste generation increased by 8.95%, including a 12.98% 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, Tenaga Nasional's hazardous waste share remained stable both over the long term and in 2025, reflecting consistent but static performance in managing hazardous materials.a
Overall, Tenaga Nasional is producing more waste without a change in hazardousness, implying that operational growth is not being accompanied by stronger safeguards against environmental and human health risks.a
In 2025, Tenaga Nasional reported that 1,010,753 metric tonnes of its total waste output were classified as hazardous. This represents 99.85% of its overall waste generation.a
The company treated this hazardous waste using a combination of methods.A majority (54.14%) was diverted from disposal through recovery-oriented treatments such as recycling or reuse. This suggests that Tenaga Nasional has established processes to reduce the environmental burden of its most harmful waste streams.a