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Generation
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Tuas Power delivered another year of steady performance in FY07/08. Our steam units
maintained a record of 100 per cent reliability. Our Combined Cycle Plants (CCPs) achieved
reliability of over 99.9 per cent, with three plants attaining 100 per cent reliability. The ability to
sustain this consistent performance is the result of commitment, technical competence
and cohesive teamwork within the organisation.
Reliability and flexibility
In our pursuit of operational excellence, we adopted several measures to further enhance
reliability and flexibility of our generating units. For instance, we carried out upgrading of the
plant maintenance system during the year. We also installed a new GSPL gas tie-line to CCP
Blocks 1 and 2 in June 2007 to allow greater flexibility of gas switch. In March 2008, we
embarked on a gas compressor project scheduled to be put in service by the end
of 2008 to enhance our ability to consume gas from the GSPL gas network.
Best practices
Tuas Power engaged an independent consultant to review the design, engineering and operations
of our plant assets in September 2007. The consultant concluded that our level of staffing,
training, operations and maintenance programmes are in accordance with good engineering
practices in the industry. The review also affirmed that the technology we have in place
is sound and proven.
We continue to establish and adhere to high standards in our operations. We were awarded
the EMS (Environmental Management System) ISO 14001 certification in April 2007 and the
QMS (Quality Management System) ISO 9001 certification in March 2008.
Growing greener
The year saw Tuas Power continue to sustain its environment-friendly operations. In FY07/08
total Carbon Dioxide emissions from our plants were 414g/kWh, which is lower than 418g/kWh
registered in the preceding year.
In April 2007, CCP Block 2 underwent a major gas turbine inspection following 48,000
equivalent operating hours. Its combustion system was upgraded to Dry Low Nitrous
Oxide (DLN) combustors to reduce Nitrous Oxide emissions, the last unit to complete the
upgrading programme.
November 2007 marked the successful commissioning and subsequent takeover of
operations and maintenance of our trigeneration facility at Pfizer Asia Pacific Pte Ltd at Tuas
Biomedical Park. The first such commercial facility in Singapore, it produces three types
of utilities – electricity, steam and chilled water from a single integrated system.
Unlike conventional systems, which convert part of the fuel energy into electricity while the rest is
lost as heat, the ‘waste heat’ in a trigeneration system is harnessed to generate steam and
produce chilled water. The system is therefore more energy-efficient and environment-friendly.
With the escalating cost of energy, this strategic initiative will aid Tuas Power in our efforts to evolve
into a leading integrated utility player.
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