Projects

Bibiyana South Combined Cycle Power Plant

Bibiyana South project is a proposed 400MW natural gas-fired combined cycle power plant (CCPP) in Bibiyana, Habiganj district, Bangladesh.

Plant Type

Natural gas-fired, combined-cycle power plant

Location

Bibiyana, Habiganj, Bangladesh

Installed Capacity

400MW

Expected Commissioning

2018

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combined-cycle power generators

Bibiyana South project is a proposed 400MW natural gas-fired combined cycle power plant (CCPP) in Bibiyana, Habiganj district, Bangladesh.

State-owned power generator and distributor Bangladesh Power Development Board (BPDB) started the project as part of the country’s major capacity expansion programme proposed in its Power System Master Plan (PSMP) 2010.

The master plan aims at providing reliable power supply to all citizens of the country by 2020. Just 53% of the total population in Bangladesh currently has access to electricity. The country’s government has prioritised the development of power sector considering its key role in overall development of the country.

The Bibiyana South project proposal was approved by the Bangladesh Government in July 2014. The estimated cost of the project is Tk25.08bn ($319m), which will be funded through the Energy Development & Maintenance Fund of BPDB that will be reimbursed by a loan from the Japan Bank for International Cooperation (JBIC).

The plant is scheduled for commissioning in May 2018.

Bibiyana South gas-fired plant location and details

The plant will be developed in a ten-acre site located at Bibiyana in Parkul village, Nabiganj, a sub-district of Habiganj District. Bibiyana site is located at the south bank of the river Kushiyara.

The main components of the CCPP include a gas turbine generating unit, a heat recovery steam generator, a steam turbine generating unit and other auxiliary units.

The gas turbine power plant will be arranged in a simple cycle with a continuous total net generating capacity of 65% of combined-cycle net output.

Electrical installations at the plant will include a generator switchgear, emergency diesel generating set, switchgear equipment, natural gas compressor, step-up and station transformer, as well as associated equipment.

Other significant components will include cooling water intake and outfall, draft cooling tower, water treatment plant, inlet and outlet air system, fire-fighting facilities, deep tube well, demineralisation plant and a jetty for unloading heavy equipment.

Civil structure and certain urban facilities being constructed as part of the project include steam turbine building, gas turbine building, water treatment building, air compressor building, cooling tower electrical building, administration office, medical centre building and dormitory building.

Make-up of combined-cycle power facility in Habiganj district

The plant will be fitted with Siemens turbines and generators, including an SGT5-4000F gas turbine, an SST-3000 steam turbine and a SGen-2000H generator.

SGT5-4000F is a four-stage gas turbine with a net power output of 445MW. The SST-3000 steam turbine, designed with the latest gas turbine technology, is a compact machine with two cylinders and an axial exhaust suitable for use in CCPPs. It features a high-pressure cylinder and a combined intermediate-pressure/low-pressure cylinder and provides a power output ranging between 90MW and 250MW.

SGen-2000H is a hydrogen-cooled generator, mostly used in simple cycle, combined-cycle and steam power plants. It offers better heat transfer and increased performance. Its sealed design enables it to work efficiently in impurity-prone environments.

Natural gas supply for the combined-cycle power plant

“SGT5-4000F is a four-stage gas turbine with a net power output of 445MW.”

Natural gas for the plant will be supplied from the Bibiyana gas field, which is located nearby. The gas field is also connected to the gas grid network.

Contractors involved

Siemens has secured an order to supply the key components, including turbines and generators, to the plant in December 2015.

The turnkey construction contract for the project was awarded to a consortium of Isolux Ingenieria, a Spanish Company, and Samsung C&T Corporation, based in Korea, for approximately $285m, in December 2014. The contractual scope includes engineering, material purchase and construction of the plant.

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