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