Tanjung Jati B Units 1 and 2

PT Central Java Power (Sumitomo Corporation)
Jepara, Jawa Tengah, Republic of Indonesia

Plant Owner
PT Central Java Power (Sumitomo Corporation)

Plant Name
Tanjung Jati B

Jepara, Jawa Tengah,
Republic of Indonesia

EPC Contractor
Sumitomo Corporation

B&W Consortium Scope
B&W subsidiaries, in consortium with units of Black & Veatch, supplied:

  • Complete boiler island for two coal-fired units, from ship unloaders to the stack, including:
    • coal handling with stacker/reclaimers and conveyors
    • structural steel
    • coal silos
    • ash handling
    • limestone and gypsum handling
    • environmental equipment
    • electrical, including motor control centers, switchgear, and power/control wiring
    • instrumentation, including stack emissions monitoring system
    • auxiliary piping systems
    • technical advisory services for erection
    • technical advisory services during startup and commissioning

Environmental equipment at the Tanjung Jati power plant includes low NOx burners, wet FGD system, and electrostatic precipitators.

Tanjung Jati B Units 1 and 2 in operation.

Boiler Specifications 
  • Boiler type: Pulverized coal-fired radiant drum boiler (RB Carolina-Type)
  • Design fuel: Indonesian low sulfur coal
  • Capacity: 2 X 660 MW net
  • Steam flow: 5,099,000 lb/h (642 kg/s)
  • Superheater outlet pressure: 2527 psig (17.4 MPa)
  • SH/RH outlet temperature: 1006/1001 F (541/538 C)

Environmental Equipment

Other Equipment Supplied by B&W

  • B&W Roll Wheel® pulverizers with DSVS® rotating classifiers Sootblower boiler cleaning system by Diamond Power International, Inc. (DPII), a B&W subsidiary
  • Bottom ash system supplied by Allen-Sherman-Hoff, a division of DPII

Contract Order: 1995

Commercial Operation: 2006

Project Facts

  • Power purchase agreement signed between PT Perusahaan Listrik Negra (Persero) and PT CEPA Indonesia – September 1994
  • Project Commencement –  April 1997
  • Project was suspended for five years due to Asian currency crisis in 1998. Resumed in 2003 and was completed under Sumitomo’s leadership.
  • The limestone wet FGD system utilizes seawater for makeup.

Sectional Side and Plan Views of Tanjung Jati B Power Plant

Hover and click on the numbered image shown below to learn more!

Tanjung Jati B Units 1 and 2 Sideview





Limestone System



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