SHALLOW TRENCH ECO MATERIAL (STeM)

Newly developed backfill material called Shallow Trench Eco Materials (STēM) utilizes Coal Bottom Ash (CBA) and slurry Coal Fly Ash (CFA) as an alternative backfill materials to conventional sand for filling shallow trenches. This innovation aims to support TNB's ESG (Environmental, Social, and Governance) initiative by effectively managing waste from TNB's business operations.