ENVIRONMENTAL AWARENESS & PRESERVAT ION 06 Sect ion 34 Ranhi ll Ut i l i t i es Berhad RWT’s Wastewater Treatment Plant in Chonburi, Thailand PROMOTING CLEANER ENERGY PRODUCTION Ranhill operates two CCGT plants. CCGT power plants are regarded as the cleanest of all fossil fuels due to the use of natural gas. According to the American Gas Association, natural gas emits 90,000 fewer pounds of CO2 per billion British Thermal Unit (“BTU”) than coal. Ranhill Power CCGT plants can operate in a combined cycle mode – producing electricity from gas fuel as well as from the steam generated from the production process. This enables reduced consumption of fossil fuels to generate the same quantity of electricity. Ranhill is also developing its first 50MW solar farm in Bidor, Perak. The Group, through the Corporate Green Power Programme (“CGPP”) also aims to develop a 29.9 MW solar farms to supply clean energy to Ranhill SAJ. At Ranhill SAJ’s Sultan Iskandar WTP, solar panels provide 63 kWp of clean energy while at the Gunung Ledang WTP, the mini hydro installation generates 73 kWp of clean energy. Ranhill’s 54 kWp Solar PV System at the 20 MLD Sultan Iskandar WTP Extension Project Micro Hydro Application at Gunung Ledang Water Treatment Plant, Tangkak, Johor DRIVING RECLAIMED WATER USE FOR ZERO DISCHARGE Through RWT, Ranhill has brought a circular economy approach to the management of wastewater in Malaysia and Thailand. In conventional systems, at the end of the production cycle, industries produce large quantities of wastewater. This wastewater is treated in accordance to regulatory standards and then discharged accordingly into water bodies. Fresh potable water is then consumed for the next production cycle. This results in water consumption costs as well as utilisation of the finite supply of fresh water. At the Amata Industrial Park in Rayong and Chonburi, Thailand and at Forest City, Johor, Malaysia, RWT’s Wastewater Treatment Plants (“WWTPs”) provide a zero-discharge solution. At the end of the production cycle, instead of just treating and discharging effluents, effluents are channelled to a separate reclamation plant for further treatment. This process produces reclaimed water, also known as “greywater”. Reclaim water can be used for a wide range of non-potable industrial and commercial applications. The use of reclaimed water reduces demand for treated water which resulted in savings on water bills for the companies. There is zero discharge into rivers, thus improving water quality. Cleaner rivers require fewer chemical treatments and there is less risk of water contamination that causes WTP shutdowns. Ultimately, reclaimed water offers a long-term solution for commercial customers, who are the biggest consumers of treated potable water. Cumulatively, from its reclaimed water operations in Thailand and Malaysia, RWT produces 28 MLD of reclaimed water; 17 million litres daily (“MLD”) from Thailand and 11 MLD from operations at Forest City. ENV I RONMENTAL Awareness & PRESERVAT ION
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