The arrangement of the entire Taweelah B Plant, previously managed by Al Taweelah Power Company (ATPC), as well as the new capacity added as part of the EPC contract, all of which is now under the management of Taweelah Asia Power Company (TAPCO), can be divided in three (3) different phases as detailed below:
Initial Taweelah B
Commissioned between 1995 and 1997, comprises six identical units; a unit being made up of a steam raising boiler, a condensing steam turbine generator, with steam extraction to a multi-stage-flash seawater desalination distiller.
Power "B" (Steam Turbines) |
Steam Turbine Generators |
Manufacturer |
M/S. ABB |
No.& Type |
6xDKE2-1063 |
Steam Generator |
Manufacturer |
D. Babcock |
Steam Output |
650 t/hr |
Water "B" (6 MSF, Cross Tube Type) |
Manufacturer |
FISIA ITALIMPIANTI |
Numbers |
6 NOS |
Types |
MSF CROSS TUBE |
Capacity |
12.6 MIGD |
Taweelah B Extension
Commissioned between 1999 and 2001, comprises two gas turbines (operating in either simple or combined cycle) each exhausting into a heat recovery steam generator raising steam to drive a back pressure steam turbine generator which, in turn, supplies steam to three multi-stage-flash seawater desalination distillers.
Power "B" Extension (Gas Turbine) |
Gas Turbine |
Manufacturer |
GE |
No.& Type |
2xMS9001E |
Back Pressure Steam Turbine |
Manufacturer |
GE |
Steam Output |
1xBACK PRESSURE |
Water "B" Extension (3 MSF, Cross Tube Type) |
Manufacturer |
HITACHI ZOSEN CORP |
Numbers |
3 NOS |
Types |
MSF, CROSS TUBE TYPE |
Capacity |
7.7 MIGD |
Top Brine Temp. |
105O Celsius |
Sea Water Temp. |
25 CELSIUS |
Performance Ratio |
6.5 KG Distillate /2326 kg |
Taweelah B New Extension
The complete Taweelah New B Extension was brought into commercial operation on October 30th 2008.
The Plant comprises of 3 Gas Turbines, which operate in combined cycle mode (two of which can operate in open cycle), each Gas Turbine of which exhausts into a heat recovery steam generator raising steam to drive a back pressure steam turbine generator under normal operation. The steam is then fed to four multi stage flash seawater desalination distillers.
Power "B" New Extension (Gas Turbine) |
Gas Turbine |
Manufacturer |
SIEMENS |
No.& Type |
3xSGT5 4000F |
Gross Output/Unit |
237 MW at RSC |
Back Pressure Steam Turbine |
Manufacturer |
Siemens |
Gross Steam Output |
330 MW (nominal) |
Water "B" New Extension (4 MSF, Cross Flow) |
Manufacturer |
FISIA ITALIMPIANTI |
Numbers |
4 NOS |
Types |
MSF, CROSS FLOW |
Capacity |
16.8 MIGD per unit |