A Model of Excellence
for Power Utilities in Africa

330MW Takoradi Thermal Power Station

Technical Information

  • Two (2) 110MW GE Frame 9E Tri-fuel Combustion Turbine Generators (32G1 and 32G2)
  • One (1) 110MW GE SC4 Steam Turbine Generator (32G3)
  • Two (2) Heat Recovery Steam Generators (HRSG1 and HRSG2)
  • Generator Output Voltage -13.8kV at 50Hz stepped up to 161kV

 

Fuel Storage

  • Two storage tanks of untreated Light Crude Oil (LCO) of 29,500m3 capacity each
  • Two storage tanks of treated Light Crude Oil (LCO) of 29,500m3 capacity each
  • One 1000m3 storage tank of untreated DFO (TK 105)
  • One 1000m3 storage tank of treated DFO (TK 106)

 

Gas Turbine Fuel Requirement

  • Light Crude Oil per Unit: 2,325 barrels /GWh
  • Natural Gas per Unit: 11,400 MMBtu /GWh

 

Plant Maintenance

Gas Turbines

  • Combustion Inspection (CI) – 6,000 Hrs (LCO),12,000Hrs (NG)
  • Hot Gas Path Inspection (HGPI) – 12,000 Hrs (24,000Hrs on NG)
  • Major Inspection (MI) – 48,000 Hrs

Steam Turbine

  • Minor Inspection – 24,000 Hrs
  • Major Inspection – 48,000 Hrs

Combustion Turbine

  • Rating: 110MW (Base Load)
  • Major Inspection – 48,000 Hrs

Generator

  • Rating: 141700KvA
  • Frequency: 50HZ
  • Speed: 3000rpm
  • No. of Poles: 2

 

General Information & Landmark Events in the TTPS

Commercial Date of Operation of the units:

  • 32G1 (Gas Turbine 1) - December 1997
  • 32G2 (Gas Turbine 2) - January 1998
  • 32G3 - November 2000

Gas Conversion

  • Gas Commission – GT1 – April 28, 2008
  • Gas Commission – GT2 – Jan 18, 2010

Financiers

  • International Development Association
  • Kuwaiti Fund
  • European Investment Bank
  • BADEA
  • World Bank

Contractors

  • ABB
  • Stone & Webster
  • GE Energy

Consultants

  • Mott Embank Preece