CNG Lombok

ETI CNG Plant PT. Enviromate Technology International designed energy efficient CNG TRANSPORTATION AND DECOMPRESSING FACILITY TO SUPPLY GAS FOR POWER PLANT IN LOMBOK

Pilot implementation of marine CNG technology is here considered to transport gas from Gresik facilities to a receiving point located in Lombok (about 300 Nautical Miles from Gresik). The gas will be utilized as feed gas to power plant in order to cope with peak electricity demand in the evening time (from 14:00 to 20:00) and, therefore, the gas shall be decompressed by pressure regulating system in order to fulfill pressure requirement at Lombok Power Plant.

After the CNG Vessel Carrier arrives at offloading terminal at Lombok, CNG will be transferred via piping to CNG Storage (T-201~330) on shore by natural pressure. After pressure balance is achieved between CNG Storage (T-201~330) and cylinder storage in CNG vessel carrier, then CNG Pressure Reducing Unit and Compression System are used for emptying the cylinder storage.

CNG will be decompressed by Pressure Reducing Unit from 250 barg to 42 barg to meet the inlet pressure and temperature required by Power Plant Lombok. CNG then will flow through metering system, to measure the volume of gas for custody transfer and transfer via pipeline to Power Plant Lombok to generate electricity of 90 MW during 5 peak hours, started from 17.00 to 22.00.

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