In 2025, ENN Natural 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 | 275,223.39a | 646,935.4a | 681,031.63a | |
Total Waste Recovered | 194,561.7a | N/A | N/A | |
Total Hazardous Waste Generated | 5,940.33a | 11,274.7a | 4,789.95a | |
Non-Hazardous Waste Disposed | N/A | N/A | N/A |
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In 2025, ENN Natural Gas generated a total of 275,223metric tonnes of waste.a
Of this amount, 70.69% of ENN Natural Gas's total waste generated was recovered through methods such as recycling, reuse, or composting, while 28.9% was disposed of through landfilling, incineration, or combustion.a
In 2025, ENN Natural Gas reported a total waste generation of 275,223 metric tonnes, of which 70.69% was recovered through recycling, reuse, or composting.This moderate level of recovery indicates that ENN Natural Gas is taking steps toward improving its waste diversion practices, though there is still room to enhance recycling and recovery efforts.a
Since 2023, ENN Natural Gas's total waste generation decreased by 59.59%, including a further 57.46% drop in 2025, highlighting a consistent and deliberate reduction in waste production over time.a
In 2025, ENN Natural Gas generated a total of 275,223 metric tonnes of waste.a
Of this amount, 2.16% of ENN Natural 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.97.84% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2023, ENN Natural Gas's total waste generation decreased by 59.59%, with an additional 57.46% decline in 2025, suggesting a consistent and deliberate effort to minimize waste generation at the source.a
Over the same period, the share of hazardous waste in ENN Natural Gas's total output increased by 206.88%, including a further 23.85% rise in 2025, suggesting a troubling upward shift toward more environmentally harmful waste streams that could raise compliance costs and environmental risks.a
Overall, ENN Natural Gas's waste and hazardousness trends are mixed or inconclusive. A more detailed review of its materials, industry standards, and operational changes would help clarify the net environmental impact of its waste strategy.a