Pollution a concern for TNB’s hydro dams

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Tough task: TNB maintenance personnel in action in Rawang. The firm spends RM40mil every year to remove sediment such as sand and rubbish to keep its Cameron Highlands hydro dam capacity running at optimum level.

Tenaga Nasional Bhd (TNB) continues to contend with unforeseen expenditure in running hydroelectric (hydro) dams in the country, as an increasing level of water pollution has become a growing issue.

Despite this, the group’s power generation unit, TNB Power Generation Sdn Bhd (TNB Genco), acknowledges that hydro dams are considered an important source of renewable energy.

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