Station 1 – MR46GS
TECHNOLOGY – Pratt & Whitney Gas Turbines
Technical Information
- Twin Pac (46G1A&B): 45MW
- Power Pac (46G2): 15MW
- Mobile Pac (46G3): 15MW
- Dual fuel gas turbines – Natural Gas (NG) & Distillate Fuel Oil – (DFO)
- Gas Turbine Generator Output Voltage – 11.5kV at 50Hz stepped up to 161kV
Fuel Storage
- 1No storage tank for raw Distillate Fuel Oil (DFO) of 3,000m3 capacity
- Three (3) storage tanks for treated Distillate Fuel Oil (DFO) of 780m3 capacity each
Gas Commission
- 46G1AB – February 3, 2014
- 46G2 – February 7, 2014
- 46G3 – February 14, 2014
Gas Turbines
- Rating – 45MW & 15MW for G2 & 3
- Speed – 3,000 rpm
Generator
- Generator Output Voltage – 11.5KV
- Frequency: 50HZ
- Speed: 3000rpm
- No. of Poles: 2
Financiers
- Consortium of Mining Companies
Major Contactor
- Lycopodium
Station 2 – TP47G1
TECHNOLOGY – GE Frame 9E
Technical Information
- 1No GE Frame 9E: 126MW (ISO)
- ne – Natural Gas (NG); Light Crude Oil (LCO) & Distillate Fuel Oil – (DFO)
- Gas Turbine Generator Output Voltage – 14.5kV at 50Hz stepped up to 161kV
Fuel Storage
- 1No storage tank for raw LCO (Tank 56), 57,000m3 located at Tema Oil Refinery
- Two (2) storage tanks for treated LCO of 15,200m3 capacity each
- One (1) 3000m3 tank of untreated DFO
- Three (3) tanks of 780m3 of treated DFO
Plant Maintenance
- Combustion Inspection (CI) at 8,000hrs on LCO and 12,000hrs on Natural Gas
- Hot Gas Path Inspection (HGPI) at 24,000hrs
- Major Inspection (MI) at 48,000hrs
Gas Turbines
- Rating – 126MW (ISO)
- Speed – 3,000 rpm
- No. of Stages – 3
Generator
- Rating – 141.75MVA
- Frequency: 50HZ
- Speed: 3000rpm
- No. of Poles: 2
Sponsors/Financiers
- Government of Ghana (GoG)
- Volta River Authority (VRA)
Main Contactors
- GECAD Ghana – EPC Contractor
Station 3 – ST50GS
TECHNOLOGY – Siemens Gas Turbines 300/400
Technical Information
Phase 1
- 3No SGT300: 7.9MW (ISO)
- 2No SGT400: 12.9MW (ISO)
Phase 2
- 1No SGT300
- Rating 7.9MW (ISO)
Fuel Storage
- 1No storage tank for raw Distillate Fuel Oil (DFO) of 3,000m3 capacity
- Three (3) storage tanks for treated Distillate Fuel Oil (DFO) of 780m3 capacity each
Generator
- Rating – 11.5KV
- Frequency – 50 Hz
- Speed – 1,500 rpm
- No. of poles – 4
2No SGT400
- Rating – 14.4 MW (ISO)
- Compressor Turbine – 14,000 rpm
- Power Turbine – 9500 rpm
Generator
- Rating – 11.5KV
- Frequency: 50HZ
- Speed: 1,500rpm
- No. of Poles: 4
Dual fuel gas turbines – Natural Gas (NG) & Distillate Fuel Oil – (DFO)
Gas Turbine Generator Output Voltage – 11.5kV at 50Hz stepped up to 161kV
Fuel Storage
- 1No storage tank of 3,000m3 untreated
- 1No storage tank of 3,000m3 treated
Plant Maintenance
- Type A Maintenance at 8,000hrs run
- Type B Maintenance at 16,000hrs run
- Type C (Engine Swap) at 24,000hrs run
Sponsors/Financiers
- Government of Ghana
- Volta River Authority
Main Contactor
- Atholl Energy Limited – EPC Contractor
- JVC – Sub Contractor