Page 24 - TNB_Ebook_ESG_2024

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Water Management

Effective management of makeup water and blowdown is TNB Genco Thermal Power Plants Located
paramount for ensuring optimal boiler performance,
overall power plant efficiency, and safety. The careful at Low Water Stress Area
control and quality assurance of makeup water are
fundamental; any inadequacy or impurity in this supply may All our coal and combined cycle power plants are located in areas
not only compromise efficiency but also pose significant safety with low water stress, none of them are located in the water
hazards within our operations. stress area, therefore zero (0) water withdrawals from
water-stressed regions. This strategic placement highlights
From 2023 to date, average Water Intensity (water our commitment to sustainable resource usage and community
consumption from town water source per net generation of harmony, preventing potential conflicts over water resources
respective plant) for our power plants are much lower than
Note: The diagram above includes Hydro Power Plant between industry and local communities. The process begins
our counterparts using similar power plants technology. This from planning and construction of the respective thermal power
Closed-Loop Steam Generation Process Helps to is illustrated in the following table: plants.
Optimize the Use of Town Water Withdrawal In addition, all of our coal and combined cycle power plants
were built and continue to operate in accordance with global
As pioneers of ‘Combine Cycle Gas Turbine’ and ‘Ultra “World Bank Environmental and Social Standards” which were
Super Critical Boiler’ technology in South-East Asia, we are established based on the initial project bidding requirements.
dedicated to operational excellence. Water consumption These standards include water consumption process which are
plays a pivotal role in our steam generation process and archetypical of conventional high-efficiency thermal plants.
operational efficiency, designed as closed-loop system aimed Additional efforts at the operational level illustrate our
at minimising our reliance on town water sources. While commitment and unwavering dedication to responsible resource
make-up water is only needed to cover any losses due to management underscoring our proactive efforts in fostering
blowdown or vent in maintaining water quality. This system is sustainability within our operations.
crucial for sustainable operations as it significantly reduces Table comparison of power plant water consumption intensity of TNB Genco
our water withdrawal from town water. Thermal Power Plants and International Counterparts

Simplified process of feedwater for steam generation

Carbon Management Water Management Biodiversity & Land Use Opportunities in RE Toxic Emissions & Waste
Human Capital Development Health & Safety Labour Rights Supply Chain Management Community Relations Corporate Governance